County Maps US

Smith County, Texas

A county in Texas, ranked 23 of 254 by population.

CountyFIPS 48423

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

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Population
252,549
+18,344 (+7.8%) since 2020
Land area
921.5
square miles. A further 3.0% of the total area is water
Population density
274
people per square mile, computed rather than published
County seat
Tyler
Seat of county government.
Established
1846
179 years ago
Largest city
Tyler city
Population 113,723.

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 Smith 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 Smith 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 752 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 Smith 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
Population252,54923rd of 254293rd of 3,144
Land area921.5 sq mi108th of 254794th of 3,144
Population density274 per sq mi27th of 254472nd of 3,144
Median household income$74,19254th of 254896th of 3,143

Full data for Smith County

Every figure below is attributed to the Census Bureau product it came from, with the vintage of that product.
MeasureValueSource and vintage
Population252,549Vintage 2025 Population Estimates
Population in 2020234,205Vintage 2025 Population Estimates
2020 estimates base?233,470Vintage 2025 Population Estimates
Land area921.5 sq mi2025 Gazetteer Files
Water area28.2 sq mi2025 Gazetteer Files
Total area949.7 sq mi2025 Gazetteer Files
Population density?274 per sq miComputed: Vintage 2025 estimates divided by 2025 Gazetteer land area
Median household income$74,192American Community Survey 2020-2024 5-Year Estimates
Median home value$240,700American Community Survey 2020-2024 5-Year Estimates
Median age37.5American Community Survey 2020-2024 5-Year Estimates
Households83,134American Community Survey 2020-2024 5-Year Estimates
Housing units99,673American 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
+524
3,021 births, 2,497 deaths
Net migration
+2,491
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 7 areas bordering Smith 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
Wood CountyTexas54 mi49,688
Van Zandt CountyTexas32 mi66,130
Cherokee CountyTexas28 mi53,337
Henderson CountyTexas24 mi88,595
Upshur CountyTexas21 mi44,410
Rusk CountyTexas16 mi54,854
Gregg CountyTexas12 mi126,095

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.