ZIP Codes of Sutton County, TX

Population & People
Population & People
Total Population
3,352
Household Income
Household Income
Median Income
$78,844
Housing
Housing
Total Housing Units
1,835
Business & Economy
Business & Economy
Total Businesses
109
Employment
Employment
Employment Rate
64.36%
Education
Education
Bachelor's Degree+
19.08%
Source: U.S. Census ACS 2024 5-Year Estimates · rolled up across the 1 ZIPs in this county.
Data Last Updated: June 1, 2026
ZIP Codes:1 ZIP Codes (1 Standard, 0 PO Box, 0 Unique) [See All]
Area Code:325
Timezone:Central (GMT -06:00)
Local Time:2:14:02 PM
Population:3,352 [See All]
FIPS:48435
Land Area:1,428 sq mi
Water Area:1 sq mi
Coordinates:30.4063, -100.5226
Quick Link:
https://www.zip-codes.com/county/tx-sutton.asp
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Notable population decline
Lost 16.6% of residents since 2014.

Standout ZIPs in this County


Most Populous
Sonora · 3,352 people
100.0% of county total
Highest Income
Sonora · $78,844 median
1.0× county average
Largest Land Area
Sonora · 1,427.7 sq mi
Spans the most ground
Fastest Growth
Sonora · -16.6% (10-yr)
4,017 → 3,352 residents
Most Educated
Sonora · 19.1% bachelor's+
453 of 2,374 adults 25+

Things worth knowing about Sutton County


3,352 residents live across 1 ZIPs covering 1,428 sq mi, served by 1 distinct USPS-recognized cities.

Population moved from 4,017 to 3,352 from 2014 to 2024 — a -16.6% change. 0 ZIPs gained residents, 1 lost.

The county's wealthiest ZIP 76950 (Sonora, $78,844 median) and poorest ZIP 76950 (Sonora, $78,844) are 0.0 miles apart — a 1.0× income gap across local geography.

Within Texas, this is the #212 most populous of 254 counties and ranks #60 for median household income .

Weighted by population, the typical household earns about $78,844 across the county — reflecting what a typical resident sees, not a simple ZIP average.

19.1% of adults age 25+ hold a bachelor's degree or higher (453 of 2,374 reporting).

1 Standard delivery, 0 PO Box only, 0 single-entity Unique ZIPs serve this county.

Stories about Sutton County


Big & sparse

A frontier county — vast land area with only a few residents per square mile. Daily life looks very different here than in the country's denser counties.

Total area
1,428
square miles
Avg density
2.3
people per sq mi
Population
3,352
across 1 ZIPs
Sonora
1,427.7 sq mi
3,352 residents

Population decline

Sutton County lost 16.6% of residents between 2014 and 2024. ZIPs that shed the largest share:

Sonora
-16.6%
4,017 → 3,352 residents

All ZIP Codes in Sutton County


ZIPCityTypePopulationMedian IncomeArea (sq mi)10-yr Growth
76950SonoraStandard3,352$78,8441,427.7-16.6%

Adjacent & Nearby Counties