Roosevelt County, New Mexico

A county in New Mexico, ranked 21 of 33 by population.

CountyFIPS 35041

Within New Mexico
Roosevelt County, highlighted, with the areas around it. Boundaries generalised from the 2025 Census cartographic boundary file; neighbour fills carry no data. The dot marks Portales, the county seat, located via the 2025 Census Gazetteer.

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Population
18,615
-538 (-2.8%) since 2020
Land area
2,446
square miles. A further 0.3% of the total area is water
Population density
7.6
people per square mile, computed rather than published
County seat
Portales
Seat of county government.
Established
1903
122 years ago
Largest city
Portales city
Population 11,734.

Sources: US Census Bureau, Population Estimates Program, Vintage 2025 Population Estimates, released 26 March 2026; US Census Bureau, Gazetteer Files, 2025 Gazetteer Files, released 10 September 2025; Wikidata (CC0), Wikidata. Retrieved 30 August 2026.

Satellite view

Aerial imagery of Roosevelt County with its boundary drawn on top. A map shows you the shape; this shows you what is inside it, and which side of the line a place falls on.

Aerial view of Roosevelt County, New Mexico from the USGS National Map, with its boundary outlined
Imagery: USGS National Map, USGS Imagery Only, public domain, requested from USGS by your browser when you reach this point on the page, at 603 by 800 pixels. The boundary is the 2025 Census cartographic boundary file, reprojected to Web Mercator to match the imagery. You can also open the USGS National Map viewer.

Where Roosevelt County ranks

Position among the 33 counties of New Mexico, and among all 3,144 US counties and county-equivalents. Computed from the figures on this page.

MeasureValueIn New MexicoNationally
Population18,61521st of 331,903rd of 3,144
Land area2,446 sq mi24th of 33223rd of 3,144
Population density7.6 per sq mi16th of 332,659th of 3,144
Median household income$52,68519th of 322,621st of 3,143

Full data for Roosevelt County

Every figure below is attributed to the Census Bureau product it came from, with the vintage of that product.
MeasureValueSource and vintage
Population18,615Vintage 2025 Population Estimates
Population in 202019,153Vintage 2025 Population Estimates
2020 estimates base?19,193Vintage 2025 Population Estimates
Land area2,446 sq mi2025 Gazetteer Files
Water area7.2 sq mi2025 Gazetteer Files
Total area2,453 sq mi2025 Gazetteer Files
Population density?7.6 per sq miComputed: Vintage 2025 estimates divided by 2025 Gazetteer land area
Median household income$52,685American Community Survey 2020-2024 5-Year Estimates
Median home value$135,800American Community Survey 2020-2024 5-Year Estimates
Median age32.3American Community Survey 2020-2024 5-Year Estimates
Households7,441American Community Survey 2020-2024 5-Year Estimates
Housing units8,577American Community Survey 2020-2024 5-Year Estimates

Sources: US Census Bureau, Population Estimates Program, Vintage 2025 Population Estimates, released 26 March 2026; US Census Bureau, Gazetteer Files, 2025 Gazetteer Files, released 10 September 2025; US Census Bureau, American Community Survey, American Community Survey 2020-2024 5-Year Estimates, released 29 January 2026. Population density is computed here, not published: it divides the Vintage 2025 population estimate by the 2025 Gazetteer land area, which are two different Census products. Retrieved 30 August 2026.

How the population changed

The Census Bureau publishes the components behind an estimate, not just the total. For the year to July 2025:

Births minus deaths
+41
212 births, 171 deaths
Net migration
-212
More people moved out than moved in.

Source: US Census Bureau, Population Estimates Program, Vintage 2025 Population Estimates, released 26 March 2026. Retrieved 30 August 2026.

The 7 areas bordering Roosevelt County

Ordered by the length of the border actually shared, which the Census Bureau publishes in its county adjacency file and which no other county reference presents.

Bordering areaStateShared borderPopulation
Curry CountyNew Mexico61 mi46,655
Chaves CountyNew Mexico61 mi63,364
De Baca CountyNew Mexico36 mi1,647
Bailey CountyTexas33 mi6,963
Lea CountyNew Mexico26 mi74,749
Cochran CountyTexas18 mi2,546
Quay CountyNew Mexico12 mi8,454

Source: US Census Bureau, County Adjacency File, 2025 County Adjacency File, released 15 September 2025. Retrieved 30 August 2026.

All 33 counties of New Mexico

Open the interactive New Mexico county map, or jump straight to any of them.

Data on this page last rebuilt 30 August 2026. How these figures are produced.