{"primary_metric_id":"median-age","product_id":"massachusetts-county-median-age","record_count":14,"records":[{"county_fips":"001","geoid":"25001","name":"Barnstable County, Massachusetts","values":{"median-age":{"estimate":55.4,"estimate_state":"valid","moe":0.1,"moe_state":"valid","state":"valid"}}},{"county_fips":"003","geoid":"25003","name":"Berkshire County, Massachusetts","values":{"median-age":{"estimate":47.3,"estimate_state":"valid","moe":0.3,"moe_state":"valid","state":"valid"}}},{"county_fips":"005","geoid":"25005","name":"Bristol County, Massachusetts","values":{"median-age":{"estimate":40.9,"estimate_state":"valid","moe":0.2,"moe_state":"valid","state":"valid"}}},{"county_fips":"007","geoid":"25007","name":"Dukes County, Massachusetts","values":{"median-age":{"estimate":50.7,"estimate_state":"valid","moe":0.7,"moe_state":"valid","state":"valid"}}},{"county_fips":"009","geoid":"25009","name":"Essex County, Massachusetts","values":{"median-age":{"estimate":41.2,"estimate_state":"valid","moe":0.2,"moe_state":"valid","state":"valid"}}},{"county_fips":"011","geoid":"25011","name":"Franklin County, Massachusetts","values":{"median-age":{"estimate":47.2,"estimate_state":"valid","moe":0.3,"moe_state":"valid","state":"valid"}}},{"county_fips":"013","geoid":"25013","name":"Hampden County, Massachusetts","values":{"median-age":{"estimate":40.0,"estimate_state":"valid","moe":0.3,"moe_state":"valid","state":"valid"}}},{"county_fips":"015","geoid":"25015","name":"Hampshire County, Massachusetts","values":{"median-age":{"estimate":37.4,"estimate_state":"valid","moe":0.4,"moe_state":"valid","state":"valid"}}},{"county_fips":"017","geoid":"25017","name":"Middlesex County, Massachusetts","values":{"median-age":{"estimate":38.9,"estimate_state":"valid","moe":0.2,"moe_state":"valid","state":"valid"}}},{"county_fips":"019","geoid":"25019","name":"Nantucket County, Massachusetts","values":{"median-age":{"estimate":42.4,"estimate_state":"valid","moe":1.6,"moe_state":"valid","state":"valid"}}},{"county_fips":"021","geoid":"25021","name":"Norfolk County, Massachusetts","values":{"median-age":{"estimate":40.9,"estimate_state":"valid","moe":0.2,"moe_state":"valid","state":"valid"}}},{"county_fips":"023","geoid":"25023","name":"Plymouth County, Massachusetts","values":{"median-age":{"estimate":43.0,"estimate_state":"valid","moe":0.2,"moe_state":"valid","state":"valid"}}},{"county_fips":"025","geoid":"25025","name":"Suffolk County, Massachusetts","values":{"median-age":{"estimate":33.9,"estimate_state":"valid","moe":0.1,"moe_state":"valid","state":"valid"}}},{"county_fips":"027","geoid":"25027","name":"Worcester County, Massachusetts","values":{"median-age":{"estimate":40.2,"estimate_state":"valid","moe":0.2,"moe_state":"valid","state":"valid"}}}],"schema_version":1,"title":"Massachusetts County Median Age"}