Warren County, IN ZIP codes
Warren County, IN has 6 ZIP codes, in 6 towns: 47993, 47970, 47991, 47975, 47917 and 47982. 3 more cross into it from neighbouring counties: 47918, 47932 and 47921.
The county seat is Williamsport.
- ZIP codes
- 6
- Partly in it
- 3 more
- Towns
- 6
- County seat
- Williamsport
- County FIPS
18171- State
- Indiana
- Population
- 8,464
- Median household income
- $82,425
- Land area
- 365 sq mi
- Metro area
- Lafayette-West Lafayette
Warren County ZIP codes by town
- Williamsport (county seat)
- 47993
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 Warren County
These ZIP codes lie mostly in a neighbouring county but each cover a twentieth or more of Warren County.
- 47918 Attica · mostly in Fountain County
- 47921 Boswell · mostly in Benton County
- 47932 Covington · mostly in Fountain County
Map of Warren County ZIP codes
The ZIP codes of Warren 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.
Warren County in numbers
About 8,464 people live in Warren County, in 3,359 households, the 90th most populous of Indiana's 92 counties. The median household income is $82,425 a year, 15% above the Indiana median of $71,957 (US: $80,734). The median owner-occupied home is valued at $182,500 (16% below the Indiana median), and median gross rent is $830 a month. The median age is 43.5; 17.5% of adults 25 and over hold a bachelor's degree or higher (29.5% across Indiana); the average commute takes 26 minutes.
| Population | 8,464 |
|---|---|
| Households | 3,359 |
| Median age | 43.5 |
| Median household income | $82,425 |
| Median home value | $182,500 |
| Median gross rent | $830 |
| Bachelor's degree or higher | 17.5% |
| Mean commute | 25.6 min |
| Population density | 23 / 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 Warren County
| Town | ZIP codes | Population |
|---|---|---|
| Williamsport | 1 | 1,867 |
| Otterbein | 1 | 1,576 |
| West Lebanon | 1 | 789 |
| Pine Village | 1 | 239 |
| Ambia | 1 | 158 |
| State Line | 1 | 103 |
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 Warren County.
Not sure you are in Warren County? What county am I in? answers from your location, near a county line included.
Every ZIP code in Warren County, with figures
| ZIP | City | Type | Population | Median income | Median home |
|---|---|---|---|---|---|
47917 | Ambia , IN | Standard | 239 | $66,250 | $165,000 |
47970 | Otterbein , IN | Standard | 3,011 | $74,457 | $185,300 |
47975 | Pine Village , IN | Standard | 604 | $71,250 | $155,900 |
47982 | State Line , IN | Standard | 103 | $73,750 | $86,400 |
47991 | West Lebanon , IN | Standard | 1,371 | $105,842 | $141,100 |
47993 | Williamsport , IN | Standard | 3,516 | $72,455 | $158,400 |
Cite this page
zipcodes.pro. “Warren County ZIP codes.” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/state/in/county/warren
Underlying data is public domain or openly licensed — sources, vintages and licences.