ZIP Codes of Lavaca County, TX

Population & People
Population & People
Total Population
25,402
Household Income
Household Income
Median Income
$71,709
Housing
Housing
Total Housing Units
12,517
Business & Economy
Business & Economy
Total Businesses
595
Employment
Employment
Employment Rate
58.69%
Education
Education
Bachelor's Degree+
21.04%
Source: U.S. Census ACS 2024 5-Year Estimates · rolled up across the 6 ZIPs in this county.
Data Last Updated: June 1, 2026
ZIP Codes:6 ZIP Codes (5 Standard, 1 PO Box, 0 Unique) [See All]
Area Codes:361 / 979
Timezone:Central (GMT -06:00)
Local Time:2:13:58 PM
Population:25,402 [See All]
FIPS:48285
Land Area:1,173 sq mi
Water Area:1 sq mi
Coordinates:29.3878, -96.9899
Quick Link:
https://www.zip-codes.com/county/tx-lavaca.asp
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Texas's #102 most populous county
25,402 residents across 6 ZIPs — #102 of 254 Texas counties.

Standout ZIPs in this County


Most Populous
Yoakum · 10,365 people
40.8% of county total
Highest Income
Shiner · $92,656 median
1.3× county average
Largest Land Area
Hallettsville · 572.9 sq mi
Spans the most ground
Fastest Growth
Yoakum · 20.5% (10-yr)
8,604 → 10,365 residents
Most Educated
Shiner · 29.2% bachelor's+
986 of 3,380 adults 25+

Things worth knowing about Lavaca County


25,402 residents live across 6 ZIPs covering 1,173 sq mi, served by 6 distinct USPS-recognized cities.

Population moved from 23,158 to 25,402 from 2014 to 2024 — a +9.7% change. 3 ZIPs gained residents, 2 lost.

The county's wealthiest ZIP 77984 (Shiner, $92,656 median) and poorest ZIP 77995 (Yoakum, $54,298) are 21.1 miles apart — a 1.7× income gap across local geography.

Median home values vary 1.7× across this county — from $184,900 in 77975 (Moulton) to $314,100 in 77987 (Sweet Home).

Density varies 2054× across the county — from 14 people/sq mi in 77964 (Hallettsville) to 29,419 in 77987 (Sweet Home).

Educational attainment ranges from 13.9% bachelor's+ in 77995 (Yoakum) to 29.2% in 77984 (Shiner) — the breadth of educational profiles across the area.

Within Texas, this is the #102 most populous of 254 counties and ranks #90 for median household income with the #66 fastest decade growth .

Weighted by population, the typical household earns about $66,667 across the county — reflecting what a typical resident sees, not a simple ZIP average.

21.0% of adults age 25+ hold a bachelor's degree or higher (3,629 of 17,252 reporting).

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

Stories about Lavaca 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
1,173
square miles
Avg density
21.7
people per sq mi
Population
25,402
across 6 ZIPs
Hallettsville
572.9 sq mi
8,204 residents
Yoakum
360.8 sq mi
10,365 residents
Shiner
154.4 sq mi
4,800 residents

All ZIP Codes in Lavaca County


ZIPCityTypePopulationMedian IncomeArea (sq mi)10-yr Growth
77995YoakumStandard10,365$54,298360.820.5%
77964HallettsvilleStandard8,204$68,056572.9-0.3%
77984ShinerStandard4,800$92,656154.420.4%
77975MoultonStandard1,780$59,78669.2-16.4%
77987Sweet HomePO Box253$83,7500.019.9%
77986SublimeStandard015.3

Adjacent & Nearby Counties