ZIP Codes of Kleberg County, TX

Population & People
Population & People
Total Population
30,579
Household Income
Household Income
Median Income
$80,759
Housing
Housing
Total Housing Units
14,012
Business & Economy
Business & Economy
Total Businesses
543
Employment
Employment
Employment Rate
54.99%
Education
Education
Bachelor's Degree+
23.22%
Source: U.S. Census ACS 2024 5-Year Estimates · rolled up across the 3 ZIPs in this county.
Data Last Updated: June 1, 2026
ZIP Codes:3 ZIP Codes (2 Standard, 1 PO Box, 0 Unique) [See All]
Area Code:361
Timezone:Central (GMT -06:00)
Local Time:2:13:58 PM
Population:30,579 [See All]
FIPS:48273
CBSA:Kingsville, TX
Land Area:409 sq mi
Water Area:12 sq mi
Coordinates:27.4163, -97.8530
Quick Link:
https://www.zip-codes.com/county/tx-kleberg.asp
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Texas's #93 most populous county
30,579 residents across 3 ZIPs — #93 of 254 Texas counties.

Standout ZIPs in this County


Most Populous
Kingsville · 28,920 people
94.6% of county total
Highest Income
Riviera · $100,944 median
1.2× county average
Largest Land Area
Kingsville · 262.8 sq mi
Spans the most ground
Fastest Growth
Riviera · 7.0% (10-yr)
1,551 → 1,659 residents
Most Educated
Riviera · 29.4% bachelor's+
352 of 1,199 adults 25+

Things worth knowing about Kleberg County


30,579 residents live across 3 ZIPs covering 409 sq mi, served by 2 distinct USPS-recognized cities.

Population moved from 32,141 to 30,579 from 2014 to 2024 — a -4.9% change. 1 ZIPs gained residents, 1 lost.

The county's wealthiest ZIP 78379 (Riviera, $100,944 median) and poorest ZIP 78363 (Kingsville, $60,574) are 12.4 miles apart — a 1.7× income gap across local geography.

Median home values vary 1.2× across this county — from $133,200 in 78379 (Riviera) to $163,300 in 78363 (Kingsville).

Density varies 10× across the county — from 11 people/sq mi in 78379 (Riviera) to 110 in 78363 (Kingsville).

Educational attainment ranges from 22.8% bachelor's+ in 78363 (Kingsville) to 29.4% in 78379 (Riviera) — the breadth of educational profiles across the area.

Within Texas, this is the #93 most populous of 254 counties and ranks #53 for median household income .

Weighted by population, the typical household earns about $62,764 across the county — reflecting what a typical resident sees, not a simple ZIP average.

23.2% of adults age 25+ hold a bachelor's degree or higher (3,970 of 17,099 reporting).

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

Stories about Kleberg County


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.

Kingsville

All ZIP Codes in Kleberg County


ZIPCityTypePopulationMedian IncomeArea (sq mi)10-yr Growth
78363KingsvilleStandard28,920$60,574262.8-5.5%
78379RivieraStandard1,659$100,944145.77.0%
78364KingsvillePO Box0.0

Adjacent & Nearby Counties