What city is ZIP code 78957?

ZIP code 78957 is in Smithville, TX (Bastrop County).

What county is ZIP code 78957 in?

ZIP code 78957 is mostly in Bastrop County, Texas.

How many people live in ZIP code 78957?

About 10,543 people live in the 78957 ZIP Code Tabulation Area, based on American Community Survey 5-year estimates.

Checked Oct 26, 2026

ZIP Code 78957

Smithville, TX, Bastrop County

Population

10,543

Land area

177sq mi

People per sq mi

City

Smithville

ZIP 78957 and nearby ZIP codes

Full map

ZIP 78957 at a glance

ZIP 78957 (Smithville) is 48% less dense than Texas as a whole.
The median household income is $69,149, 12% below the Texas median of $78,476.
A typical owner-occupied home is valued at $259,900 (8% below Texas) and median rent is $1,383 a month.

Local data for ZIP 78957

Counts from official public data

Housing and community stats

ZIP 78957, American Community Survey 2020-2024

Full profile

Median household income

$69,149

Poverty rate

11.8%

Median home value

$259,900

Prices +7.8% in a year

Median rent

$1,383/mo

Homeownership

72.6%

Bachelor's or higher

23.1%

Median age

41.8

Average commute

32.1 min

Income, education and commute

Economy and federal money

Businesses, pandemic loans and political donations

Details

Business establishments

180

ZIP Business Patterns 2023

Employees

1,126

$48.9M annual payroll

PPP loans

$9M

252 loans

Campaign donations

$26.6K

34% D, 24% R, 2026 cycle

PPP loans in this ZIP

Environment and hazard risk

ZIP 78957, from FEMA, NOAA and EPA

Full report

Natural hazard risk

Relatively Moderate

Top: tornado

Storm events since 1996

408

Countywide, mostly hail

Flood insurance policies

474

1.3% of homes, county

July high / Jan low

95° / 39°F

37.1 inches of rain a year

Hazards, floods and storm history Check a flood zone

Health statistics

Share of adults in ZIP 78957, CDC PLACES estimates

All 40 measures

Obesity

39.8%

U.S. 33.3% +6.5 pts

Diabetes

14.2%

U.S. 12.1% +2.1 pts

Smoking

14.6%

U.S. 12.8% +1.8 pts

Uninsured (18-64)

14.2%

U.S. 11.1% +3.1 pts

Frequently asked questions

What city is ZIP code 78957?: ZIP code 78957 is in Smithville, TX (Bastrop County).
What county is ZIP code 78957 in?: ZIP code 78957 is mostly in Bastrop County, Texas.
How many people live in ZIP code 78957?: About 10,543 people live in the 78957 ZIP Code Tabulation Area, based on American Community Survey 5-year estimates.

Source: U.S. Census Bureau (ZIP Code Tabulation Areas, American Community Survey) · Data as of 12/31/2023. ZIP Code Tabulation Areas closely match, but are not identical to, USPS ZIP code delivery areas.