ZIP Codes of Harrison County, MO

Population & People
Population & People
Total Population
8,352
Household Income
Household Income
Median Income
$58,206
Housing
Housing
Total Housing Units
4,116
Business & Economy
Business & Economy
Total Businesses
182
Employment
Employment
Employment Rate
53.52%
Education
Education
Bachelor's Degree+
15.69%
Source: U.S. Census ACS 2024 5-Year Estimates · rolled up across the 9 ZIPs in this county.
Data Last Updated: June 1, 2026
ZIP Codes:9 ZIP Codes (9 Standard, 0 PO Box, 0 Unique) [See All]
Area Code:660
Timezone:Central (GMT -06:00)
Local Time:2:12:42 PM
Population:8,352 [See All]
FIPS:29081
Land Area:793 sq mi
Water Area:4 sq mi
Coordinates:40.3783, -93.9858
Quick Link:
https://www.zip-codes.com/county/mo-harrison.asp
Need Harrison data in your app? Look up ZIP, county, and city data with a single API call.
Try Free
Notable income spread
Median income ranges $34,375 to $87,844 across ZIPs — a 2.6× gap.

Standout ZIPs in this County


Most Populous
Bethany · 3,929 people
47.0% of county total
Highest Income
Blythedale · $87,844 median
1.5× county average
Largest Land Area
Bethany · 174.0 sq mi
Spans the most ground
Fastest Growth
Ridgeway · -4.5% (10-yr)
1,209 → 1,154 residents
Most Educated
Bethany · 16.5% bachelor's+
445 of 2,692 adults 25+

Things worth knowing about Harrison County


8,352 residents live across 9 ZIPs covering 793 sq mi, served by 9 distinct USPS-recognized cities.

Population moved from 9,007 to 8,352 from 2014 to 2024 — a -7.3% change. 3 ZIPs gained residents, 6 lost.

The county's wealthiest ZIP 64426 (Blythedale, $87,844 median) and poorest ZIP 64471 (New Hampton, $34,375) are 24.2 miles apart — a 2.6× income gap across local geography.

Median home values vary 7.5× across this county — from $28,200 in 64426 (Blythedale) to $211,800 in 64467 (Martinsville).

Density varies 10× across the county — from 2 people/sq mi in 64458 (Hatfield) to 23 in 64424 (Bethany).

Educational attainment ranges from 7.5% bachelor's+ in 64467 (Martinsville) to 20.7% in 64442 (Eagleville) — the breadth of educational profiles across the area.

Within Missouri, this is the #92 most populous of 116 counties and ranks #73 for median household income .

Weighted by population, the typical household earns about $57,197 across the county — reflecting what a typical resident sees, not a simple ZIP average.

15.7% of adults age 25+ hold a bachelor's degree or higher (896 of 5,710 reporting).

9 Standard delivery, 0 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
793
square miles
Avg density
10.5
people per sq mi
Population
8,352
across 9 ZIPs
Bethany
174.0 sq mi
3,929 residents
Ridgeway
123.2 sq mi
1,154 residents
Gilman City
108.1 sq mi
804 residents

Population decline

Harrison County lost 7.3% of residents between 2014 and 2024. ZIPs that shed the largest share:

Gilman City
-27.8%
1,113 → 804 residents

All ZIP Codes in Harrison County


ZIPCityTypePopulationMedian IncomeArea (sq mi)10-yr Growth
64424BethanyStandard3,929$53,479174.0-9.1%
64481RidgewayStandard1,154$55,341123.2-4.5%
64442EaglevilleStandard951$61,98582.226.5%
64642Gilman CityStandard804$64,107108.1-27.8%
64426BlythedaleStandard530$87,84449.369.3%
64632CainsvilleStandard371$50,313106.4-25.5%
64471New HamptonStandard309$34,37541.5-30.2%
64458HatfieldStandard15969.317.8%
64467MartinsvilleStandard14538.8-34.7%

Adjacent & Nearby Counties