ZIP Codes of Yoakum County, TX

Population & People
Population & People
Total Population
9,155
Household Income
Household Income
Median Income
$82,144
Housing
Housing
Total Housing Units
3,408
Business & Economy
Business & Economy
Total Businesses
209
Employment
Employment
Employment Rate
58.37%
Education
Education
Bachelor's Degree+
17.70%
Source: U.S. Census ACS 2024 5-Year Estimates · rolled up across the 3 ZIPs in this county.
Data Last Updated: July 1, 2026
ZIP Codes:3 ZIP Codes (3 Standard, 0 PO Box, 0 Unique) [See All]
Area Code:806
Timezone:Central (GMT -06:00)
Local Time:11:55:24 PM
Population:9,155 [See All]
FIPS:48501
Land Area:841 sq mi
Water Area:0 sq mi
Coordinates:33.1281, -102.8110
Quick Link:
https://www.zip-codes.com/county/tx-yoakum.asp
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Among America's 25 youngest counties
Median age 27.3 — #21 youngest nationwide.

Standout ZIPs in this County


Most Populous
Denver City · 7,485 people
81.8% of county total
Highest Income
Denver City · $87,321 median
1.1× county average
Largest Land Area
Plains · 455.0 sq mi
Spans the most ground
Fastest Growth
Denver City · 19.4% (10-yr)
6,270 → 7,485 residents
Most Educated
Denver City · 19.0% bachelor's+
719 of 3,776 adults 25+

Things worth knowing about Yoakum County


9,155 residents live across 3 ZIPs covering 841 sq mi, served by 3 distinct USPS-recognized cities.

Population moved from 8,602 to 9,155 from 2014 to 2024 — a +6.4% change. 1 ZIPs gained residents, 2 lost.

The county's wealthiest ZIP 79323 (Denver City, $87,321 median) and poorest ZIP 79355 (Plains, $76,967) are 16.9 miles apart — a 1.1× income gap across local geography.

Median home values vary 1.3× across this county — from $143,300 in 79355 (Plains) to $193,300 in 79323 (Denver City).

Density varies 11× across the county — from 4 people/sq mi in 79355 (Plains) to 42 in 79323 (Denver City).

Educational attainment ranges from 12.3% bachelor's+ in 79355 (Plains) to 19.0% in 79323 (Denver City) — the breadth of educational profiles across the area.

Within Texas, this is the #168 most populous of 254 counties and ranks #44 for median household income with the #78 fastest decade growth .

Weighted by population, the typical household earns about $85,442 across the county — reflecting what a typical resident sees, not a simple ZIP average.

17.7% of adults age 25+ hold a bachelor's degree or higher (862 of 4,871 reporting).

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

Stories about Yoakum 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
841
square miles
Avg density
10.9
people per sq mi
Population
9,155
across 3 ZIPs
Plains
455.0 sq mi
1,660 residents
Tokio
206.4 sq mi
10 residents
Denver City
180.0 sq mi
7,485 residents

Single-ZIP anchor

One ZIP holds the majority of this county's population — a sign of a county built around a single city or town.

Denver City

All ZIP Codes in Yoakum County


ZIPCityTypePopulationMedian IncomeArea (sq mi)10-yr Growth
79323Denver CityStandard7,485$87,321180.019.4%
79355PlainsStandard1,660$76,967455.0-25.5%
79376TokioStandard10206.4-90.3%

Adjacent & Nearby Counties