What county is Huntsville, TX in?

Updated November 1, 2026 · Data: U.S. Census Bureau

Huntsville, Texas is in Walker County. Huntsville mailing addresses (ZIP codes named Huntsville) also reach San Jacinto County, so check your street.

Huntsville at a glance

Population46,917Largest place in Walker County

Land area41.8 sq mi1,123 people per sq mi

Share of Walker County60%of the county's residents live here

County seatYes

Time zoneCentralAmerica/Chicago

Nearest county line13 mito San Jacinto County

How close is Huntsville to a county line?

The center of Huntsville (its Census internal point) is about 13 mi from the San Jacinto County line. Homes near the edge of town can be much closer; if you live near a line, check your address and the lookup will tell you how far you are from it.

What ZIP codes are in Huntsville?

8 ZIP codes use the name Huntsville or are centered in it. Shares are of each ZIP's land; a ZIP named after a town can reach beyond its city limits.

ZIP	Post office name	County (land share)
77320	Huntsville	Walker County 94%, San Jacinto County 6%
77340	Huntsville	Walker County
77341	Huntsville	Walker County
77342	Huntsville	Walker County
77343	Huntsville	Walker County
77344	Huntsville	Walker County
77348	Huntsville	Walker County
77349	Huntsville	Walker County

About Walker County

County seat: Huntsville. FIPS code 48471. Population 78,292. All Walker County facts.

Towns near Huntsville

New Waverly: 12 mi away, Walker County
Willis: 19 mi away, Montgomery County
Trinity: 20 mi away, Trinity County
Westwood Shores: 21 mi away, Trinity County
Panorama Village: 22 mi away, Montgomery County
Montgomery: 23 mi away, Montgomery County

Huntsville has about 46,917 people. It is an incorporated city or town.

Sources: ACS 2019-2023 5-year (residents by county, table B01003); Census TIGER/Line 2024 and Gazetteer 2024 (land, location); Census 2020 ZCTA file and GeoNames (ZIP codes). Data as of November 1, 2026. Not affiliated with any government agency.