ZIP Codes of Adams County, OH

Population & People
Population & People
Total Population
32,135
Household Income
Household Income
Median Income
$55,355
Housing
Housing
Total Housing Units
14,581
Business & Economy
Business & Economy
Total Businesses
446
Employment
Employment
Employment Rate
48.20%
Education
Education
Bachelor's Degree+
14.55%
Source: U.S. Census ACS 2024 5-Year Estimates · rolled up across the 10 ZIPs in this county.
Data Last Updated: June 1, 2026
ZIP Codes:10 ZIP Codes (8 Standard, 2 PO Box, 0 Unique) [See All]
Area Codes:326 / 937
Timezone:Eastern (GMT -05:00)
Local Time:2:13:18 PM
Population:32,135 [See All]
FIPS:39001
Land Area:748 sq mi
Water Area:4 sq mi
Coordinates:38.8225, -83.4936
Quick Link:
https://www.zip-codes.com/county/oh-adams.asp
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Ohio's #70 most populous county
32,135 residents across 10 ZIPs — #70 of 88 Ohio counties.

Standout ZIPs in this County


Most Populous
West Union · 8,714 people
27.1% of county total
Highest Income
Winchester · $71,439 median
1.3× county average
Largest Land Area
Peebles · 205.0 sq mi
Spans the most ground
Fastest Growth
West Union · 8.2% (10-yr)
8,056 → 8,714 residents
Most Educated
Winchester · 16.5% bachelor's+
550 of 3,325 adults 25+

Things worth knowing about Adams County


32,135 residents live across 10 ZIPs covering 748 sq mi, served by 10 distinct USPS-recognized cities.

Population moved from 32,924 to 32,112 from 2014 to 2024 — a -2.5% change. 3 ZIPs gained residents, 6 lost.

The county's wealthiest ZIP 45697 (Winchester, $71,439 median) and poorest ZIP 45144 (Manchester, $41,489) are 17.5 miles apart — a 1.7× income gap across local geography.

Median home values vary 2.2× across this county — from $94,400 in 45650 (Lynx) to $205,900 in 45697 (Winchester).

Density varies across the county — from 16 people/sq mi in 45616 (Blue Creek) to 67 in 45693 (West Union).

Educational attainment ranges from 8.6% bachelor's+ in 45684 (Stout) to 35.8% in 45616 (Blue Creek) — the breadth of educational profiles across the area.

Within Ohio, this is the #70 most populous of 88 counties and ranks #81 for median household income .

Weighted by population, the typical household earns about $53,820 across the county — reflecting what a typical resident sees, not a simple ZIP average.

14.6% of adults age 25+ hold a bachelor's degree or higher (3,184 of 21,879 reporting).

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

Stories about Adams 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
748
square miles
Avg density
42.9
people per sq mi
Population
32,135
across 10 ZIPs
Peebles
205.0 sq mi
7,936 residents
West Union
129.5 sq mi
8,714 residents
Winchester
97.1 sq mi
5,222 residents

All ZIP Codes in Adams County


ZIPCityTypePopulationMedian IncomeArea (sq mi)10-yr Growth
45693West UnionStandard8,714$43,977129.58.2%
45660PeeblesStandard7,936$57,252205.0-5.5%
45697WinchesterStandard5,222$71,43997.1-2.3%
45144ManchesterStandard4,119$41,48969.5-15.6%
45679SeamanStandard2,841$55,02864.70.3%
45684StoutStandard1,507$50,68885.8-15.7%
45616Blue CreekStandard1,350$67,61482.0-4.2%
45650LynxStandard42314.8102.4%
45105BentonvillePO Box230.0
45618Cherry ForkPO Box00.0-100.0%

Adjacent & Nearby Counties