ZIP Codes of Harrison County, TX

Population & People
Population & People
Total Population
55,799
Household Income
Household Income
Median Income
$59,990
Housing
Housing
Total Housing Units
23,870
Business & Economy
Business & Economy
Total Businesses
1,124
Employment
Employment
Employment Rate
55.66%
Education
Education
Bachelor's Degree+
21.32%
Source: U.S. Census ACS 2024 5-Year Estimates · rolled up across the 11 ZIPs in this county.
Data Last Updated: June 1, 2026
ZIP Codes:11 ZIP Codes (6 Standard, 5 PO Box, 0 Unique) [See All]
Area Codes:430 / 903
Timezone:Central (GMT -06:00)
Local Time:2:13:56 PM
Population:55,799 [See All]
FIPS:48203
CBSA:Longview, TX
Land Area:795 sq mi
Water Area:14 sq mi
Coordinates:32.5375, -94.3019
Quick Link:
https://www.zip-codes.com/county/tx-harrison.asp
Need Harrison data in your app? Look up ZIP, county, and city data with a single API call.
Try Free
Texas's #61 most populous county
55,799 residents across 11 ZIPs — #61 of 254 Texas counties.

Standout ZIPs in this County


Most Populous
Marshall · 18,670 people
33.5% of county total
Highest Income
Hallsville · $97,596 median
1.6× county average
Largest Land Area
Marshall · 244.5 sq mi
Spans the most ground
Fastest Growth
Hallsville · 33.3% (10-yr)
8,030 → 10,703 residents
Most Educated
Hallsville · 31.5% bachelor's+
2,163 of 6,869 adults 25+

Things worth knowing about Harrison County


55,799 residents live across 11 ZIPs covering 795 sq mi, served by 9 distinct USPS-recognized cities.

Population moved from 53,839 to 55,762 from 2014 to 2024 — a +3.6% change. 3 ZIPs gained residents, 4 lost.

The county's wealthiest ZIP 75650 (Hallsville, $97,596 median) and poorest ZIP 75661 (Karnack, $41,929) are 24.8 miles apart — a 2.3× income gap across local geography.

Median home values vary 1.8× across this county — from $112,300 in 75670 (Marshall) to $197,200 in 75650 (Hallsville).

Density varies across the county — from 17 people/sq mi in 75661 (Karnack) to 145 in 75670 (Marshall).

Educational attainment ranges from 14.0% bachelor's+ in 75661 (Karnack) to 31.5% in 75650 (Hallsville) — the breadth of educational profiles across the area.

Within Texas, this is the #61 most populous of 254 counties and ranks #180 for median household income .

Weighted by population, the typical household earns about $63,537 across the county — reflecting what a typical resident sees, not a simple ZIP average.

21.3% of adults age 25+ hold a bachelor's degree or higher (7,821 of 36,688 reporting).

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

Stories about Harrison 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
795
square miles
Avg density
70.2
people per sq mi
Population
55,799
across 11 ZIPs
Marshall
244.5 sq mi
16,509 residents
Karnack
141.3 sq mi
2,360 residents
Marshall
129.0 sq mi
18,670 residents

All ZIP Codes in Harrison County


ZIPCityTypePopulationMedian IncomeArea (sq mi)10-yr Growth
75670MarshallStandard18,670$42,386129.0-0.6%
75672MarshallStandard16,509$70,610244.5-0.5%
75650HallsvilleStandard10,703$97,596122.533.3%
75692WaskomStandard5,563$63,904102.716.5%
75661KarnackStandard2,360$41,929141.3-12.7%
75651HarletonStandard1,871$43,51454.8-35.3%
75642Elysian FieldsPO Box860.050.9%
75659JonesvillePO Box370.0
75671MarshallPO Box00.0
75694WoodlawnPO Box00.0
75688ScottsvillePO Box0.0

Adjacent & Nearby Counties