ZIP Codes of Zapata County, TX

Population & People
Population & People
Total Population
13,841
Household Income
Household Income
Median Income
$39,239
Housing
Housing
Total Housing Units
6,186
Business & Economy
Business & Economy
Total Businesses
142
Employment
Employment
Employment Rate
48.89%
Education
Education
Bachelor's Degree+
15.18%
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:956
Timezone:Central (GMT -06:00)
Local Time:11:55:24 PM
Population:13,841 [See All]
FIPS:48505
CBSA:Zapata, TX
Land Area:675 sq mi
Water Area:45 sq mi
Coordinates:26.9138, -99.2077
Quick Link:
https://www.zip-codes.com/county/tx-zapata.asp
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Texas's #142 most populous county
13,841 residents across 3 ZIPs — #142 of 254 Texas counties.

Standout ZIPs in this County


Most Populous
Zapata · 13,123 people
94.8% of county total
Highest Income
Zapata · $39,239 median
1.0× county average
Largest Land Area
Zapata · 363.7 sq mi
Spans the most ground
Fastest Growth
Zapata · -3.6% (10-yr)
13,617 → 13,123 residents
Most Educated
Zapata · 15.5% bachelor's+
1,188 of 7,645 adults 25+

Things worth knowing about Zapata County


13,841 residents live across 3 ZIPs covering 675 sq mi, served by 3 distinct USPS-recognized cities.

Population moved from 14,111 to 13,841 from 2014 to 2024 — a -1.9% change. 2 ZIPs gained residents, 1 lost.

The county's wealthiest ZIP 78076 (Zapata, $39,239 median) and poorest ZIP 78076 (Zapata, $39,239) are 0.0 miles apart — a 1.0× income gap across local geography.

Median home values vary 1.2× across this county — from $83,300 in 78067 (San Ygnacio) to $100,000 in 78076 (Zapata).

Density varies 4946× across the county — from 2 people/sq mi in 78067 (San Ygnacio) to 10,000 in 78564 (Lopeno).

Educational attainment ranges from 10.4% bachelor's+ in 78067 (San Ygnacio) to 15.5% in 78076 (Zapata) — the breadth of educational profiles across the area.

Within Texas, this is the #142 most populous of 254 counties and ranks #249 for median household income .

Weighted by population, the typical household earns about $39,239 across the county — reflecting what a typical resident sees, not a simple ZIP average.

15.2% of adults age 25+ hold a bachelor's degree or higher (1,228 of 8,090 reporting).

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

Stories about Zapata 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
675
square miles
Avg density
20.5
people per sq mi
Population
13,841
across 3 ZIPs
Zapata
363.7 sq mi
13,123 residents
San Ygnacio
311.1 sq mi
629 residents
Lopeno
0.0 sq mi
89 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.

Zapata

All ZIP Codes in Zapata County


ZIPCityTypePopulationMedian IncomeArea (sq mi)10-yr Growth
78076ZapataStandard13,123$39,239363.7-3.6%
78067San YgnacioStandard629311.139.8%
78564LopenoStandard890.0102.3%

Adjacent & Nearby Counties