Auburn, IN
- ZIP codes
- 8
- CBSA code
12140- Type
- Micropolitan statistical area
- States
- IN
- Population
- 43,807
- Combined area
- Fort Wayne-Huntington-Auburn, IN
Metro areas are defined by the Office of Management and Budget as whole counties, so every ZIP code in a member county is listed here.
Auburn in numbers
About 43,807 people live in the Auburn micropolitan area. The median household income is $74,331 a year (US: $80,734). The median owner-occupied home is valued at $194,100, and median gross rent is $861 a month.
| Population | 43,807 |
|---|---|
| Median household income | $74,331 |
| Median home value | $194,100 |
| Median gross rent | $861 |
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.
Its county
| County | ZIP codes | Population | Median income |
|---|---|---|---|
| DeKalb County, IN | 8 | 43,807 | $74,331 |
ZIP codes in Auburn
| ZIP | City | Type | Population | Median income | Median home |
|---|---|---|---|---|---|
46705 | Ashley , IN | Standard | 1,972 | $67,266 | $159,700 |
46706 | Auburn , IN | Standard | 20,403 | $80,965 | $219,100 |
46721 | Butler , IN | Standard | 4,739 | $68,580 | $138,800 |
46730 | Corunna , IN | Standard | 1,299 | $116,181 | $316,500 |
46738 | Garrett , IN | Standard | 8,533 | $57,545 | $164,200 |
46785 | Saint Joe , IN | Standard | 1,491 | $63,250 | $163,300 |
46788 | Spencerville , IN | Standard | 4,373 | $101,553 | $285,200 |
46793 | Waterloo , IN | Standard | 4,104 | $79,949 | $184,100 |
Cite this page
zipcodes.pro. “Auburn, IN.” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/metro/12140-auburn
Underlying data is public domain or openly licensed — sources, vintages and licences.