ZIP Codes of Washington County, IN

Population & People
Population & People
Total Population
26,770
Household Income
Household Income
Median Income
$63,103
Housing
Housing
Total Housing Units
11,598
Business & Economy
Business & Economy
Total Businesses
441
Employment
Employment
Employment Rate
59.08%
Education
Education
Bachelor's Degree+
14.91%
Source: U.S. Census ACS 2024 5-Year Estimates · rolled up across the 5 ZIPs in this county.
Data Last Updated: July 1, 2026
ZIP Codes:5 ZIP Codes (5 Standard, 0 PO Box, 0 Unique) [See All]
Area Codes:812 / 930
Timezone:Eastern (GMT -05:00)
Local Time:11:53:27 PM
Population:26,770 [See All]
FIPS:18175
CBSA:Louisville/Jefferson County, KY-IN
Land Area:458 sq mi
Water Area:2 sq mi
Coordinates:38.5298, -86.1755
Quick Link:
https://www.zip-codes.com/county/in-washington.asp
Need Washington data in your app? Look up ZIP, county, and city data with a single API call.
Try Free
Indiana's #59 most populous county
26,770 residents across 5 ZIPs — #59 of 92 Indiana counties.

Standout ZIPs in this County


Most Populous
Salem · 15,375 people
57.4% of county total
Highest Income
Pekin · $79,744 median
1.3× county average
Largest Land Area
Salem · 212.6 sq mi
Spans the most ground
Fastest Growth
Hardinsburg · 26.0% (10-yr)
1,578 → 1,988 residents
Most Educated
Pekin · 17.2% bachelor's+
772 of 4,491 adults 25+

Things worth knowing about Washington County


26,770 residents live across 5 ZIPs covering 458 sq mi, served by 5 distinct USPS-recognized cities.

Population moved from 26,350 to 26,770 from 2014 to 2024 — a +1.6% change. 3 ZIPs gained residents, 2 lost.

The county's wealthiest ZIP 47165 (Pekin, $79,744 median) and poorest ZIP 47120 (Fredericksburg, $42,440) are 7.7 miles apart — a 1.9× income gap across local geography.

Median home values vary 1.8× across this county — from $122,900 in 47108 (Campbellsburg) to $219,200 in 47120 (Fredericksburg).

Density varies across the county — from 22 people/sq mi in 47108 (Campbellsburg) to 78 in 47165 (Pekin).

Educational attainment ranges from 13.2% bachelor's+ in 47125 (Hardinsburg) to 17.2% in 47165 (Pekin) — the breadth of educational profiles across the area.

Within Indiana, this is the #59 most populous of 92 counties and ranks #78 for median household income .

Weighted by population, the typical household earns about $65,333 across the county — reflecting what a typical resident sees, not a simple ZIP average.

14.9% of adults age 25+ hold a bachelor's degree or higher (2,774 of 18,605 reporting).

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

All ZIP Codes in Washington County


ZIPCityTypePopulationMedian IncomeArea (sq mi)10-yr Growth
47167SalemStandard15,375$60,673212.61.4%
47165PekinStandard6,292$79,74480.6-3.2%
47108CampbellsburgStandard2,155$59,23696.73.2%
47125HardinsburgStandard1,988$73,42149.026.0%
47120FredericksburgStandard960$42,44019.1-6.3%

Adjacent & Nearby Counties