Every ZIP code in the United States, with weather, radar, trivia and the numbers behind it. Five digits since 1963!

ZIP stands for Zone Improvement Plan. The codes went live on July 1, 1963.The lowest ZIP code is 00501 — the IRS in Holtsville, New York.The highest ZIP code is 99950, in Ketchikan, Alaska.Type 07734 into a calculator and turn it upside down: hELLO. It is Keansburg, New Jersey.12345 belongs to one company: General Electric in Schenectady, New York.The first digit is a region: 0 is New England and New Jersey, 9 is the West Coast, Alaska and Hawaii.Mr. ZIP, the cartoon mailman, was the mascot that sold the idea to America.ZIP+4 arrived in 1983 and can narrow a ZIP down to one side of one block.A ZIP code is a mail route, not a place: plenty of them cross county and even state lines.Play ZIP Hunt: guess the secret ZIP code of the day in six tries.
zipcodes.pro — STATE/IN/COUNTY/WASHINGTON

Washington County, IN ZIP codes

Washington County, IN has 5 ZIP codes, in 5 towns: 47167, 47165, 47108, 47125 and 47120. 1 more crosses into it from a neighbouring county: 47170.

The county seat is Salem.

ZIP codes
5
Partly in it
1 more
Towns
5
County seat
Salem
County FIPS
18175
State
Indiana
Population
28,212
Median household income
$64,641
Land area
514 sq mi

Washington County ZIP codes by town

Salem (county seat)
47167

Each ZIP code is listed under the county most of its land lies in and the town the Postal Service names it for; a ZIP code's own page shows exactly how it is split.

ZIP codes partly in Washington County

This ZIP code lies mostly in a neighbouring county but covers a twentieth or more of Washington County.

Map of Washington County ZIP codes

The ZIP codes of Washington County, shaded. Outlines are Census ZIP Code Tabulation Areas (2020), which approximate the mail routes; PO-box and single-address codes have no area and are not drawn. Click any area to open its ZIP code.

Washington County in numbers

About 28,212 people live in Washington County, in 11,229 households, the 57th most populous of Indiana's 92 counties. The median household income is $64,641 a year, 10% below the Indiana median of $71,957 (US: $80,734). The median owner-occupied home is valued at $172,200 (21% below the Indiana median), and median gross rent is $780 a month. The median age is 41.5; 14.5% of adults 25 and over hold a bachelor's degree or higher (29.5% across Indiana); the average commute takes 32 minutes.

Population28,212Washington28,212
Households11,229Washington11,229
Median age41.5Washington41.5Indiana38.1US 38.9
Median household income$64,641Washington$64,641Indiana$71,957US $80,734
Median home value$172,200Washington$172,200Indiana$218,200US $332,700
Median gross rent$780Washington$780Indiana$1,062US $1,413
Bachelor's degree or higher14.5%Washington14.5%Indiana29.5%US 35.7%
Mean commute31.5 minWashington31.5 minIndiana24.1 minUS 26.4 min
Population density55 / sq miWashington55 / sq mi

U.S. Census Bureau, American Community Survey 2020–2024 5-year estimates. Survey estimates carry margins of error, wider for small places. Sources and methods.

Largest towns in Washington County

Largest towns in Washington County
TownZIP codesPopulation
Salem 1 6,489
Pekin 1 6,292
Campbellsburg 1 635
Hardinsburg 1 164
Fredericksburg 1 48

Population of the census place of that name where there is one, otherwise of the ZIP codes the Postal Service addresses by it. A town's ZIP codes can reach past the county line.

Neighbouring counties

Counties that share a ZIP code with Washington County.

Not sure you are in Washington County? What county am I in? answers from your location, near a county line included.

Every ZIP code in Washington County, with figures

ZIP codes in Washington County
ZIP City Type Population Median income Median home
47108 Campbellsburg , IN Standard 2,155 $59,236 $122,900
47120 Fredericksburg , IN Standard 960 $42,440 $219,200
47125 Hardinsburg , IN Standard 1,988 $73,421 $169,500
47165 Pekin , IN Standard 6,292 $79,744 $171,100
47167 Salem , IN Standard 15,375 $60,673 $173,600

Cite this page

zipcodes.pro. “Washington County ZIP codes.” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/state/in/county/washington

Underlying data is public domain or openly licensed — sources, vintages and licences.