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

New Mexico County Population — 2025 PEP

July 1, 2025 resident population estimates for 33 counties. State total (sum of these county estimates): 2,125,498 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: 2,125,498 persons (SUMLEV 040, PEP Vintage 2025). County sum: 2,125,498 persons; comparison status: equal.

Official NST July 2020: 2,118,446 persons; July 2020–July 2025 change: +7,052 persons; growth: 0.332886 percent (denominator: official July 2020 population).

County July 2024–July 2025: Growing: 9 · Shrinking: 24 · Unchanged: 0 · Missing: 0. Median county growth: -0.384971 percent.

Largest county: Bernalillo County (GEOID 35001): 667601 persons.

Fastest county growth: Valencia County (GEOID 35061): 1.383292 percent.

Greatest numeric increase: Sandoval County (GEOID 35043): 1954 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: 2,125,498 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
Female1,076,069 persons50.626677 percent
Male1,049,429 persons49.373323 percent
Ages 18–24209,298 persons9.847010 percent
Ages 25–44543,849 persons25.586898 percent
Ages 45–64484,646 persons22.801527 percent
Ages 65 and older448,253 persons21.089316 percent
Under 18439,452 persons20.675249 percent
American Indian or Alaska Native alone246,345 persons11.589990 percent
Asian alone45,953 persons2.161987 percent
Black or African American alone61,151 persons2.877020 percent
Native Hawaiian or other Pacific Islander alone3,373 persons0.158692 percent
Two or more races96,263 persons4.528962 percent
White alone1,672,413 persons78.683349 percent
Hispanic (any race)1,050,505 persons49.423947 percent
Not Hispanic1,074,993 persons50.576053 percent

Official state median age: 40.1 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): 2,117,492 persons; county base sum: 2,117,492 persons; comparison: equal. This is not the original decennial census count.

Original April 1, 2020 Census count: 33 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 · Bernalillo County (GEOID 35001). 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 male326,633 persons48.926380 percent
Sex · PEP female340,968 persons51.073620 percent
Age bands · PEP under18127,613 persons19.115160 percent
Age bands · PEP age18 2461,982 persons9.284288 percent
Age bands · PEP age25 44186,570 persons27.946333 percent
Age bands · PEP age45 64156,388 persons23.425369 percent
Age bands · PEP age65plus135,048 persons20.228849 percent
Race alone (partition) · PEP white alone533,796 persons79.957340 percent
Race alone (partition) · PEP black alone25,365 persons3.799425 percent
Race alone (partition) · PEP aian alone48,959 persons7.333572 percent
Race alone (partition) · PEP asian alone23,137 persons3.465693 percent
Race alone (partition) · PEP nhpi alone952 persons0.142600 percent
Race alone (partition) · PEP two or more35,392 persons5.301370 percent
Hispanic origin (overlaps race) · PEP hispanic any race332,673 persons49.831112 percent
Hispanic origin (overlaps race) · PEP not hispanic334,928 persons50.168888 percent
Other overlapping classifications (not additive) · PEP white alone or combination566,287 persons84.824169 percent
Other overlapping classifications (not additive) · PEP not hispanic white alone243,610 persons36.490359 percent
Official county median age · AGESEX MEDIAN_AGE_TOT40.2 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 33 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 33 counties; ranked by 2025 population, descending.

New Mexico County Population — 2025 PEP — July 1, 2025; rank reflects the selected ordering
RankCountyGEOIDPopulation (persons)Signed change (persons)Signed change (percent)
1Bernalillo County35001667,601-2580 persons-0.384971%
2Doña Ana County35013229,091+987 persons+0.432697%
3Sandoval County35043159,565+1954 persons+1.239761%
4Santa Fe County35049156,907-413 persons-0.262522%
5San Juan County35045120,340-185 persons-0.153495%
6Valencia County3506182,013+1119 persons+1.383292%
7Lea County3502574,749+303 persons+0.407006%
8Otero County3503570,368-256 persons-0.362483%
9McKinley County3503168,119-512 persons-0.746019%
10Chaves County3500563,364-382 persons-0.599253%
11Eddy County3501562,509+710 persons+1.148886%
12Curry County3500946,655-722 persons-1.523946%
13Rio Arriba County3503939,832-116 persons-0.290377%
14Taos County3505534,564+123 persons+0.357132%
15Grant County3501727,252-239 persons-0.869375%
16Cibola County3500626,807+52 persons+0.194356%
17San Miguel County3504726,260-174 persons-0.658243%
18Luna County3502925,407-216 persons-0.842993%
19Lincoln County3502719,844-192 persons-0.958275%
20Los Alamos County3502819,407-20 persons-0.102950%
21Roosevelt County3504118,615-170 persons-0.904977%
22Torrance County3505716,100+158 persons+0.991093%
23Socorro County3505315,838-92 persons-0.577527%
24Colfax County3500712,184-127 persons-1.031598%
25Sierra County3505111,395-18 persons-0.157715%
26Quay County350378,454-88 persons-1.030204%
27Guadalupe County350194,343-19 persons-0.435580%
28Mora County350334,051-41 persons-1.001955%
29Hidalgo County350233,929-22 persons-0.556821%
30Union County350593,844-95 persons-2.411780%
31Catron County350033,827+4 persons+0.104630%
32De Baca County350111,647-3 persons-0.181818%
33Harding County35021617-4 persons-0.644122%

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 Bernalillo County (GEOID 35001). 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 Bernalillo County (GEOID 35001), persons
DatePopulation (persons)Interval
April 1, 2020 base676,446Estimates base; not July 1
July 1, 2020676,867April–July partial-year; no annual rate
July 1, 2021675,490July 2020–July 2021 comparison
July 1, 2022672,636July-to-July estimate
July 1, 2023671,767July-to-July estimate
July 1, 2024670,181July-to-July estimate
July 1, 2025667,601July-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.

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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)
Bernalillo County35001667,601$292,900
Catron County350033,827$167,000
Chaves County3500563,364$156,400
Cibola County3500626,807$125,400
Colfax County3500712,184$167,200
Curry County3500946,655$171,200
De Baca County350111,647$187,500
Doña Ana County35013229,091$220,800
Eddy County3501562,509$212,600
Grant County3501727,252$175,600
Guadalupe County350194,343$110,000
Harding County35021617$70,000
Hidalgo County350233,929$111,000
Lea County3502574,749$184,000
Lincoln County3502719,844$233,200
Los Alamos County3502819,407$495,800
Luna County3502925,407$128,000
McKinley County3503168,119$78,700
Mora County350334,051$122,600
Otero County3503570,368$162,700
Quay County350378,454$87,200
Rio Arriba County3503939,832$243,700
Roosevelt County3504118,615$135,800
Sandoval County35043159,565$313,800
San Juan County35045120,340$193,800
San Miguel County3504726,260$188,500
Santa Fe County35049156,907$446,300
Sierra County3505111,395$152,600
Socorro County3505315,838$137,500
Taos County3505534,564$382,800
Torrance County3505716,100$159,700
Union County350593,844$122,700
Valencia County3506182,013$223,000