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U.S. Census Bureau · 2025 Population Estimates Program (PEP)

Indiana County Population — 2025 PEP

July 1, 2025 resident population estimates for 92 counties. State total (sum of these county estimates): 6,973,333 persons.

Separate 2025 TIGER/Line county boundaries validate county identity; these are not ACS 2024 survey estimates.

Official Vintage 2025 county identities and unsimplified TIGER coordinates; separate-period ACS housing is joined only by exact full GEOID. Original 2020 counts require separately evidenced compatible geography; incompatible observations remain null with reasons. The revised April estimates base is not an original census count; no boundary allocation is invented.

Source and downloads

2025 Census PEP county estimates, 2020–2025 series; counts are persons, migration counts are persons, published rates are per 1,000, and unavailable values remain null (not zero). 2020 rates are unavailable for the partial-year interval. County totals and characteristics are verified against the pinned raw Census CSV receipts and independent 2025 county geometry.

Official Census PEP county source · Download JSON · Download CSV · Download source metadata

Official state totals and county summaries

Official NST July 1, 2025 state total: 6,973,333 persons (SUMLEV 040, PEP Vintage 2025). County sum: 6,973,333 persons; comparison status: equal.

Official NST July 2020: 6,790,290 persons; July 2020–July 2025 change: +183,043 persons; growth: 2.695658 percent (denominator: official July 2020 population).

County July 2024–July 2025: Growing: 66 · Shrinking: 26 · Unchanged: 0 · Missing: 0. Median county growth: 0.231185 percent.

Largest county: Marion County (GEOID 18097): 992196 persons.

Fastest county growth: Boone County (GEOID 18011): 2.605544 percent.

Greatest numeric increase: Hamilton County (GEOID 18057): 7351 persons.

no minimum population; missing excluded per measure; median of county percentages, not population weighted; equal values use ascending full GEOID.

Official state demographics

Resident population · SUMLEV 040 · July 1, 2025 · Census PEP Vintage 2025. Denominator for every share: 6,973,333 resident persons. Six exclusive race groups; Hispanic origin overlaps race and must not be added to it. Release: June 2026; exact day unproved; PEP estimates have no ACS sampling MOE.

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Official state age, sex, race and overlapping Hispanic origin
MeasureCountShare
Female3,532,698 persons50.660108 percent
Male3,440,635 persons49.339892 percent
Ages 18–24686,246 persons9.841004 percent
Ages 25–441,787,906 persons25.639189 percent
Ages 45–641,638,581 persons23.497817 percent
Ages 65 and older1,284,435 persons18.419241 percent
Under 181,576,165 persons22.602750 percent
American Indian or Alaska Native alone54,846 persons0.786511 percent
Asian alone221,451 persons3.175684 percent
Black or African American alone740,309 persons10.616286 percent
Native Hawaiian or other Pacific Islander alone5,553 persons0.079632 percent
Two or more races289,979 persons4.158399 percent
White alone5,661,195 persons81.183489 percent
Hispanic (any race)670,663 persons9.617539 percent
Not Hispanic6,302,670 persons90.382461 percent

Official state median age: 38.6 years. Published state SYASEX median age; not a county aggregation, not ACS.

Download all state demographic observations (CSV)

Revised April 1, 2020 estimates base (official NST): 6,786,605 persons; county base sum: 6,786,605 persons; comparison: equal. This is not the original decennial census count.

Original April 1, 2020 Census count: 92 compatible counties; 0 unavailable. Published Census county centers-of-population POPULATION, original 2020 Gazetteer and official 2020–2025 geographic-change evidence; no boundary allocation. Original count, revised April estimates base and July 2020 estimate are separate observations. Documentation: November 2021; exact file release day unproved; retrieval is not release. Official original count source. Original 2020 Gazetteer identity plus Census geographic-change notes 2014–2025; no county-level change recorded from 2020 onward, exact full modern name, and original count required. Any recorded county-level change or referenced counterparty is conservatively unavailable, including unresolved internal redistricting. Same GEOID alone is insufficient. Not a claim of identical cartographic coordinates; no invented allocations.

Source release date unavailable: retained pins do not attest an official release date; retrieval is not release. Reference dates and Vintage 2025 are explicit; no current-vintage refresh is implied.

County population and demographic explorer

Choose a measure, observation year and county without downloading boundaries. Rankings, search, trends and CSV work without a map. Load map explicitly to download the full, unsimplified 2025 TIGER boundaries; this defers rather than removes their payload. The table remains available without JavaScript.

PEP population · persons · July 1, 2025. Denominator: none. Calculation/source: CO POPESTIMATEy. Vintage 2025; null with metric_status reason; measured zero remains zero; no imputation.

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After loading, Tab to a county and press Enter or Space; colors and the legend indicate signed direction and magnitude. Outlines show selection. The county picker works before and after map loading.

Selected county demographic breakdown

July 1, 2025 · Marion County (GEOID 18097). Same-period county population is the share denominator. Hispanic origin overlaps race; do not add origin to race counts. Other overlapping classifications are not additive. Official county median age is from PEP AGESEX MEDIAN_AGE_TOT, not ACS.

County demographics: counts, shares and official median age
Classification / sourceCount or statisticShare / status
Sex · PEP male479,379 persons48.314950 percent
Sex · PEP female512,817 persons51.685050 percent
Age bands · PEP under18237,709 persons23.957867 percent
Age bands · PEP age18 2495,257 persons9.600623 percent
Age bands · PEP age25 44301,792 persons30.416571 percent
Age bands · PEP age45 64213,179 persons21.485573 percent
Age bands · PEP age65plus144,259 persons14.539365 percent
Race alone (partition) · PEP white alone586,524 persons59.113723 percent
Race alone (partition) · PEP black alone293,621 persons29.593044 percent
Race alone (partition) · PEP aian alone12,516 persons1.261444 percent
Race alone (partition) · PEP asian alone49,553 persons4.994275 percent
Race alone (partition) · PEP nhpi alone533 persons0.053719 percent
Race alone (partition) · PEP two or more49,449 persons4.983794 percent
Hispanic origin (overlaps race) · PEP hispanic any race154,349 persons15.556301 percent
Hispanic origin (overlaps race) · PEP not hispanic837,847 persons84.443699 percent
Other overlapping classifications (not additive) · PEP white alone or combination632,431 persons63.740531 percent
Other overlapping classifications (not additive) · PEP not hispanic white alone464,389 persons46.804160 percent
Official county median age · AGESEX MEDIAN_AGE_TOT35.0 yearsNot a share; not ACS or an average of county medians

Use Ctrl/Command or Shift to select multiple counties. The following trend uses exact resident persons, not percentages; county size affects the scale. Missing observations break lines; the revised April estimates base is a separate dashed partial interval.

2025 county population rankings

All 92 county estimates are present without JavaScript, ranked by 2025 population (largest first). Signed changes compare July 1, 2024 to July 1, 2025. Unavailable is not zero; equal values break ties by GEOID (ascending).

Showing all 92 counties; ranked by 2025 population, descending.

Indiana County Population — 2025 PEP — July 1, 2025; rank reflects the selected ordering
RankCountyGEOIDPopulation (persons)Signed change (persons)Signed change (percent)
1Marion County18097992,196+1983 persons+0.200260%
2Lake County18089504,612+2115 persons+0.420898%
3Allen County18003402,329+3235 persons+0.810586%
4Hamilton County18057387,036+7351 persons+1.936079%
5St. Joseph County18141272,861-75 persons-0.027479%
6Elkhart County18039208,774+578 persons+0.277623%
7Hendricks County18063193,510+2746 persons+1.439475%
8Tippecanoe County18157190,456+546 persons+0.287505%
9Vanderburgh County18163181,995+855 persons+0.472011%
10Porter County18127176,049+629 persons+0.358568%
11Johnson County18081174,262+3239 persons+1.893897%
12Monroe County18105143,345+513 persons+0.359163%
13Madison County18095135,088+1516 persons+1.134968%
14Clark County18019130,451+2688 persons+2.103895%
15Delaware County18035113,106+354 persons+0.313963%
16LaPorte County18091111,294-55 persons-0.049394%
17Vigo County18167106,512+314 persons+0.295674%
18Hancock County1805990,969+2092 persons+2.353815%
19Bartholomew County1800585,729+787 persons+0.926515%
20Howard County1806783,904-114 persons-0.135685%
21Floyd County1804382,153+354 persons+0.432768%
22Kosciusko County1808580,892+123 persons+0.152286%
23Boone County1801180,689+2049 persons+2.605544%
24Morgan County1810974,967+922 persons+1.245189%
25Warrick County1817366,803+482 persons+0.726768%
26Grant County1805366,524+288 persons+0.434809%
27Wayne County1817766,169-167 persons-0.251749%
28Dearborn County1802951,609-105 persons-0.203040%
29Henry County1806549,137+116 persons+0.236633%
30Noble County1811347,937-9 persons-0.018771%
31Jackson County1807147,370-66 persons-0.139135%
32Marshall County1809946,599+61 persons+0.131076%
33Shelby County1814545,882+269 persons+0.589744%
34Lawrence County1809345,568+338 persons+0.747292%
35DeKalb County1803344,535+197 persons+0.444314%
36Dubois County1803744,016+74 persons+0.168404%
37LaGrange County1808741,305+187 persons+0.454789%
38Harrison County1806140,437+251 persons+0.624596%
39Montgomery County1810738,954+44 persons+0.113081%
40Putnam County1813337,876+118 persons+0.312517%
41Cass County1801737,836-93 persons-0.245195%
42Huntington County1806937,224+259 persons+0.700663%
43Adams County1800136,650+108 persons+0.295550%
44Knox County1808335,652-105 persons-0.293649%
45Whitley County1818335,046+114 persons+0.326348%
46Steuben County1815134,799+11 persons+0.031620%
47Miami County1810334,487+22 persons+0.063833%
48Daviess County1802734,209+78 persons+0.228531%
49Jasper County1807333,894+239 persons+0.710147%
50Clinton County1802333,322+15 persons+0.045036%
51Jefferson County1807733,279+215 persons+0.650254%
52Gibson County1805133,091+93 persons+0.281835%
53Greene County1805531,165-27 persons-0.086561%
54Wabash County1816930,713-13 persons-0.042309%
55Ripley County1813729,434+74 persons+0.252044%
56Wells County1817928,883+43 persons+0.149098%
57Washington County1817528,383+25 persons+0.088159%
58Jennings County1807927,622-102 persons-0.367912%
59Decatur County1803126,576+62 persons+0.233839%
60Clay County1802126,410+58 persons+0.220097%
61White County1818125,164-4 persons-0.015893%
62Scott County1814325,053+201 persons+0.808788%
63Posey County1812924,988-70 persons-0.279352%
64Randolph County1813524,438+53 persons+0.217347%
65Fayette County1804123,533-47 persons-0.199321%
66Starke County1814923,425+19 persons+0.081176%
67Franklin County1804723,286+150 persons+0.648340%
68Owen County1811921,886+228 persons+1.052729%
69Sullivan County1815320,831+138 persons+0.666892%
70Carroll County1801520,655-55 persons-0.265572%
71Jay County1807520,118-141 persons-0.695987%
72Fulton County1804920,091+56 persons+0.279511%
73Spencer County1814720,061-96 persons-0.476261%
74Orange County1811719,834+33 persons+0.166658%
75Perry County1812319,389+1 persons+0.005158%
76Fountain County1804517,013+141 persons+0.835704%
77Rush County1813916,767+15 persons+0.089542%
78Parke County1812116,642+186 persons+1.130287%
79Brown County1801315,777+156 persons+0.998656%
80Vermillion County1816515,488-43 persons-0.276866%
81Tipton County1815915,319-52 persons-0.338299%
82Newton County1811114,188+101 persons+0.716973%
83Pulaski County1813112,463+30 persons+0.241293%
84Pike County1812512,003-71 persons-0.588040%
85Blackford County1800911,730-92 persons-0.778210%
86Crawford County1802510,509-58 persons-0.548879%
87Switzerland County1815510,037+2 persons+0.019930%
88Martin County181019,856-32 persons-0.323625%
89Benton County180078,883+2 persons+0.022520%
90Warren County181718,474+7 persons+0.082674%
91Union County181616,863-71 persons-1.023940%
92Ohio County181155,994-7 persons-0.116647%

County population trend · 2020–2025

Resident population (persons), not ACS housing. April 1, 2020 estimates base is distinct from the July 1, 2020 estimate. The April–July 2020 change is partial-year; the July 2020–July 2021 interval is the first July-to-July comparison. No 2020 annual rate is shown. Missing observations are unavailable, never zero.

Showing Marion County (GEOID 18097). Select a county on the map or in the rankings table to update this trend.

Horizontal axis: year (2020–2025); vertical axis: resident population (persons). The 2020 base is a separate April 1 observation; July 1 estimates run from 2020 through 2025. Focus the chart viewport and use Left/Right arrows to scroll on narrow screens. Complete axis labels stay here outside the scrolling chart; the table gives exact values and availability.

Population observations for Marion County (GEOID 18097), persons
DatePopulation (persons)Interval
April 1, 2020 base977,202Estimates base; not July 1
July 1, 2020976,708April–July partial-year; no annual rate
July 1, 2021971,373July 2020–July 2021 comparison
July 1, 2022974,293July-to-July estimate
July 1, 2023980,327July-to-July estimate
July 1, 2024990,213July-to-July estimate
July 1, 2025992,196July-to-July estimate

County population and median home value · different vintages

Each point pairs a county’s PEP July 1, 2025 resident population (persons) with its ACS 2024 5-year median owner-occupied home value (B25077, U.S. dollars). These are different reference periods and different statistical programs. This descriptive comparison does not imply causality or matched vintages. Suppressed, missing or invalid ACS estimates are unavailable, not zero and not plotted. A valid zero remains zero.

The exact-value table below works without JavaScript; chart loading requires JavaScript.

Select a county using the map or rankings to coordinate the comparison.

County comparison: PEP July 1, 2025 population (persons) and ACS 2024 5-year median owner-occupied home value (U.S. dollars); unavailable values identified
CountyGEOIDPEP July 1, 2025 population (persons)ACS 2024 5-year median home value (U.S. dollars)
Adams County1800136,650$178,400
Allen County18003402,329$214,900
Bartholomew County1800585,729$232,800
Benton County180078,883$151,000
Blackford County1800911,730$107,500
Boone County1801180,689$376,200
Brown County1801315,777$269,100
Carroll County1801520,655$180,900
Cass County1801737,836$133,800
Clark County18019130,451$222,900
Clay County1802126,410$153,000
Clinton County1802333,322$164,100
Crawford County1802510,509$117,700
Daviess County1802734,209$197,200
Dearborn County1802951,609$243,400
Decatur County1803126,576$199,100
DeKalb County1803344,535$194,100
Delaware County18035113,106$139,400
Dubois County1803744,016$230,100
Elkhart County18039208,774$210,400
Fayette County1804123,533$130,700
Floyd County1804382,153$251,000
Fountain County1804517,013$143,400
Franklin County1804723,286$249,500
Fulton County1804920,091$156,500
Gibson County1805133,091$180,000
Grant County1805366,524$122,300
Greene County1805531,165$153,200
Hamilton County18057387,036$405,500
Hancock County1805990,969$274,800
Harrison County1806140,437$229,600
Hendricks County18063193,510$307,600
Henry County1806549,137$154,400
Howard County1806783,904$165,000
Huntington County1806937,224$161,600
Jackson County1807147,370$178,300
Jasper County1807333,894$221,500
Jay County1807520,118$117,500
Jefferson County1807733,279$194,600
Jennings County1807927,622$161,500
Johnson County18081174,262$284,600
Knox County1808335,652$137,700
Kosciusko County1808580,892$216,000
LaGrange County1808741,305$255,900
Lake County18089504,612$230,600
LaPorte County18091111,294$195,500
Lawrence County1809345,568$175,000
Madison County18095135,088$161,300
Marion County18097992,196$224,000
Marshall County1809946,599$204,900
Martin County181019,856$159,400
Miami County1810334,487$126,200
Monroe County18105143,345$285,200
Montgomery County1810738,954$171,800
Morgan County1810974,967$237,600
Newton County1811114,188$171,500
Noble County1811347,937$196,800
Ohio County181155,994$213,100
Orange County1811719,834$158,700
Owen County1811921,886$172,400
Parke County1812116,642$151,200
Perry County1812319,389$163,400
Pike County1812512,003$154,900
Porter County18127176,049$281,500
Posey County1812924,988$222,900
Pulaski County1813112,463$156,400
Putnam County1813337,876$218,900
Randolph County1813524,438$113,400
Ripley County1813729,434$222,500
Rush County1813916,767$166,800
St. Joseph County18141272,861$192,800
Scott County1814325,053$158,400
Shelby County1814545,882$212,400
Spencer County1814720,061$185,200
Starke County1814923,425$157,700
Steuben County1815134,799$216,200
Sullivan County1815320,831$131,100
Switzerland County1815510,037$175,800
Tippecanoe County18157190,456$239,300
Tipton County1815915,319$174,600
Union County181616,863$173,500
Vanderburgh County18163181,995$184,000
Vermillion County1816515,488$113,100
Vigo County18167106,512$148,500
Wabash County1816930,713$157,200
Warren County181718,474$182,500
Warrick County1817366,803$242,500
Washington County1817528,383$172,200
Wayne County1817766,169$140,200
Wells County1817928,883$197,600
White County1818125,164$175,900
Whitley County1818335,046$219,400