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Smith County, Texas

Updated · Data: U.S. Census Bureau

Smith County, Texas has its county seat in Tyler and FIPS code 48423. About 238,014 people live here, the 23rd most populated of the 254 Texas counties.

County seatTyler
FIPS code48423 (Texas 48 + county 423) · all Texas FIPS codes
Population238,014 (23rd of 254)
Land area921.5 sq mi (108th largest; + 28.2 sq mi water)
People per sq mi258.3
Time zoneCentral time (America/Chicago)
Median home value$220,800
Median property tax paid$2,749 a year (about 1.25% of the median home value: our calculation, not an official rate)
Official websitewww.smith-county.com

What counties border Smith County?

Smith County shares a border with 7 counties:

What cities and towns are in Smith County?

9 places with 1,000+ people have residents here; together they hold about 57% of the county's population. The rest live in smaller communities and rural areas.

PlacePopulationResidents in this county
Tyler107,718100.0%
Whitehouse8,794100.0%
Lindale6,389100.0%
Bullard4,08095.8% (also in other counties)
Hideaway3,259100.0%
Overton2,63316.4% (also in other counties)
Troup1,96595.2% (also in other counties)
Emerald Bay (CDP)1,074100.0%
Arp1,055100.0%

CDP = census-designated place: a named community with no city government.

What ZIP codes are in Smith County?

23 ZIP code areas with residents touch Smith County; the ones marked * cross into another county.

Check an exact address with the address lookup, look up a ZIP code, or see how to confirm your county with official records.

Sources: Census TIGER/Line 2024 (boundary, area, neighbors); ACS 2019-2023 5-year (population, home value, taxes paid); Wikidata, CC0 (seat, website); timezone-boundary-builder (time zone). Data as of November 1, 2026. Not affiliated with any government agency.

FAQ

Frequently asked questions

What is the county seat of Smith County, Texas?
Tyler.
What is the FIPS code for Smith County?
48423. The first two digits (48) are Texas; the last three (423) are the county.
What counties border Smith County?
Cherokee County, Gregg County, Henderson County, Rusk County, Upshur County, Van Zandt County, Wood County.
How many people live in Smith County?
About 238,014 (ACS 2019-2023 5-year estimate), the 23rd most of the 254 Texas counties.
What time zone is Smith County in?
Central time (America/Chicago).
What is the largest city in Smith County?
Tyler, with about 107,718 people (counting all of it, including any part in another county).

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