ZIP Codes of Gregg County, TX

Population & People
Population & People
Total Population
154,204
Household Income
Household Income
Median Income
$70,303
Housing
Housing
Total Housing Units
65,668
Business & Economy
Business & Economy
Total Businesses
4,460
Employment
Employment
Employment Rate
59.04%
Education
Education
Bachelor's Degree+
22.85%
Source: U.S. Census ACS 2024 5-Year Estimates · rolled up across the 15 ZIPs in this county.
Data Last Updated: June 1, 2026
ZIP Codes:15 ZIP Codes (8 Standard, 7 PO Box, 0 Unique) [See All]
Area Codes:430 / 903
Timezone:Central (GMT -06:00)
Local Time:2:13:55 PM
Population:154,204 [See All]
FIPS:48183
CBSA:Longview, TX
Land Area:474 sq mi
Water Area:7 sq mi
Coordinates:32.4905, -94.7679
Quick Link:
https://www.zip-codes.com/county/tx-gregg.asp
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Texas's #33 most populous county
154,204 residents across 15 ZIPs — #33 of 254 Texas counties.

Standout ZIPs in this County


Most Populous
Longview · 35,417 people
23.0% of county total
Highest Income
White Oak · $102,146 median
1.5× county average
Largest Land Area
Kilgore · 127.2 sq mi
Spans the most ground
Fastest Growth
Longview · 22.8% (10-yr)
28,847 → 35,417 residents
Most Educated
Longview · 31.6% bachelor's+
7,652 of 24,185 adults 25+

Things worth knowing about Gregg County


154,204 residents live across 15 ZIPs covering 474 sq mi, served by 6 distinct USPS-recognized cities.

Population moved from 149,834 to 154,204 from 2014 to 2024 — a +2.9% change. 4 ZIPs gained residents, 5 lost.

The county's wealthiest ZIP 75693 (White Oak, $102,146 median) and poorest ZIP 75602 (Longview, $52,330) are 12.7 miles apart — a 2.0× income gap across local geography.

Median home values vary 1.8× across this county — from $139,700 in 75602 (Longview) to $252,300 in 75605 (Longview).

Density varies 16× across the county — from 110 people/sq mi in 75603 (Longview) to 1,721 in 75601 (Longview).

Most of the decade's growth concentrated around Longview — top growth ZIPs averaged +10.6% over the past ten years ( 75605 , 75603 and 75604 ).

Educational attainment ranges from 12.6% bachelor's+ in 75602 (Longview) to 31.6% in 75605 (Longview) — the breadth of educational profiles across the area.

Within Texas, this is the #33 most populous of 254 counties and ranks #103 for median household income .

Weighted by population, the typical household earns about $68,200 across the county — reflecting what a typical resident sees, not a simple ZIP average.

22.9% of adults age 25+ hold a bachelor's degree or higher (22,890 of 100,158 reporting). The most-educated ZIPs cluster around Longview.

8 Standard delivery, 7 PO Box only, 0 single-entity Unique ZIPs serve this county.

All ZIP Codes in Gregg County


ZIPCityTypePopulationMedian IncomeArea (sq mi)10-yr Growth
75605LongviewStandard35,417$73,19084.822.8%
75604LongviewStandard31,924$67,94241.33.5%
75662KilgoreStandard25,034$70,096127.2-0.8%
75602LongviewStandard20,671$52,33052.6-7.0%
75601LongviewStandard15,780$65,7009.2-7.7%
75647GladewaterStandard13,299$65,80993.23.5%
75603LongviewStandard6,061$65,21255.15.6%
75693White OakStandard5,935$102,14610.3-11.9%
75641EastonPO Box830.0-64.1%
75663KilgorePO Box0.0
75608LongviewPO Box0.0
75615LongviewPO Box0.0
75660JudsonPO Box0.0
75606LongviewPO Box0.0
75607LongviewPO Box0.0

Adjacent & Nearby Counties