Montgomery County, Indiana
Montgomery County is a county in Indiana. Its county FIPS code is 18107. Use the boundary map and neighboring areas below to check the jurisdiction you need.
- Official code
- 18107
- Representative coordinates
- 40.040296, -86.892715
- County type
- County
- County seat or government
- Crawfordsville
- Resident population, July 2025
- 38,954
- Land area
- 1,306.978 km²
- Water area
- 2.056 km²
- State
- Indiana
The representative point identifies this area. It is not a street address or a boundary survey.
Time zones in Montgomery County
| Time zone | Local time and UTC offset | Next clock change |
|---|---|---|
| America/Indiana/Indianapolis | UTC-05:00 in January; UTC-04:00 in July. Enable JavaScript for the live clock. | Enable JavaScript for upcoming changes. |
Listed zones overlap the mapped area. A point lookup can distinguish sides of a boundary. Your device’s zone may differ.
Census ZIP areas
46035 · 46172 · 47916 · 47930 · 47933 · 47940 · 47949 · 47954 · 47955 · 47965 · 47967 · 47968 · 47981 · 47989 · 47990 · 47994
These statistical areas overlap the boundary. They are not delivery assignments; confirm mailing details with USPS ZIP Code Lookup.
Official county information
Use the US government local-office directory ↗ to find the office responsible for your address. A county website has not been confidently matched here. A geographic lookup cannot determine eligibility, tax liability or a court obligation.
Cities, towns and communities
These areas overlap the mapped boundary; an overlap does not mean that every address belongs to both.
Areas sharing the mapped boundary
These areas touch this mapped boundary.
Before using this answer on a form
Use a precise point for address-level questions. A device accuracy circle can cross a boundary; confirm tax, voting or jury details with the responsible office.
Find the county at your current point, check its ZIP area, or find its physical time zone.