County Maps US

Lamar County, Texas

A county in Texas, ranked 74 of 254 by population.

CountyFIPS 48277

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

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Population
51,503
+1,372 (+2.7%) since 2020
Land area
907.3
square miles. A further 2.8% of the total area is water
Population density
56.8
people per square mile, computed rather than published
County seat
Paris
Seat of county government.
Established
1841
184 years ago
Largest city
Paris city
Population 25,205.

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 Lamar 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 Lamar County, Texas 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 664 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 Lamar County ranks

Position among the 254 counties of Texas, and among all 3,144 US counties and county-equivalents. Computed from the figures on this page.

MeasureValueIn TexasNationally
Population51,50374th of 254993rd of 3,144
Land area907.3 sq mi130th of 254828th of 3,144
Population density56.8 per sq mi72nd of 2541,359th of 3,144
Median household income$61,880145th of 2541,905th of 3,143

Full data for Lamar County

Every figure below is attributed to the Census Bureau product it came from, with the vintage of that product.
MeasureValueSource and vintage
Population51,503Vintage 2025 Population Estimates
Population in 202050,131Vintage 2025 Population Estimates
2020 estimates base?50,083Vintage 2025 Population Estimates
Land area907.3 sq mi2025 Gazetteer Files
Water area25.8 sq mi2025 Gazetteer Files
Total area933.1 sq mi2025 Gazetteer Files
Population density?56.8 per sq miComputed: Vintage 2025 estimates divided by 2025 Gazetteer land area
Median household income$61,880American Community Survey 2020-2024 5-Year Estimates
Median home value$200,700American Community Survey 2020-2024 5-Year Estimates
Median age39.7American Community Survey 2020-2024 5-Year Estimates
Households20,019American Community Survey 2020-2024 5-Year Estimates
Housing units22,824American 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
+29
663 births, 634 deaths
Net migration
+127
More people moved in than moved out.

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

The 5 areas bordering Lamar 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
Delta CountyTexas63 mi5,549
Choctaw CountyOklahoma38 mi14,059
Red River CountyTexas34 mi11,816
Fannin CountyTexas26 mi39,265
Bryan CountyOklahoma9.2 mi51,367

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

All 254 counties of Texas

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

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