Montgomery County, Indiana
County seat: Crawfordsville · Population 38,954 (2025) · 505 sq mi
Montgomery County is the 39th most populous of Indiana's 92 counties, with 38,954 people (2025 estimate). Its county seat is Crawfordsville. It is part of the West Central (Region 4) region, one of the 12 Indiana economic growth regions (DWD / WorkOne regions). The map shows its 11 cities and towns and the 7 neighboring counties.

Montgomery County facts
- County seat
- Crawfordsville
- Population (2025 estimate)
- 38,954 +2.7% since 2020
- Land area
- 505 sq mi 10th largest of 92
- Water area
- 1 sq mi
- Population density
- 77 per sq mi
- Established
- 1823
- Named after
- Richard Montgomery Irish-born soldier in the British Army, later in the American Continental Army (1738–1775)
- Largest city
- Crawfordsville 16,699
- Median household income
- $71,479
- Cities and towns
- 11 plus 3 CDPs
- ZIP codes
- 16
- Time zone
- Eastern
- FIPS code
- 18107
Cities and towns in Montgomery County
Montgomery County has 11 incorporated cities, towns and villages. Populations count the people living inside Montgomery County; cities that cross a county line also list the other counties.
| Name | Type | Population 2025 | Also in |
|---|---|---|---|
| Crawfordsville (county seat) | City | 16,699 | |
| Ladoga | Town | 1,103 | |
| Waynetown | Town | 976 | |
| Linden | Town | 742 | |
| Darlington | Town | 724 | |
| New Market | Town | 567 | |
| Waveland | Town | 443 | |
| New Richmond | Town | 318 | |
| New Ross | Town | 314 | |
| Wingate | Town | 252 | |
| Alamo | Town | 67 |
Unincorporated communities (CDPs)
Census-designated places are communities without their own city government; the county provides their services.
| Community | Population | Also in |
|---|---|---|
| Lake Holiday | 845 | |
| Mace | 84 | |
| Linnsburg | 56 |
ZIP codes in Montgomery County
16 ZIP codes reach into Montgomery County. ZIP codes ignore county lines, so some also cover a neighboring county.
- 46035 also Clinton and Boone counties
- 46172 also Putnam County
- 47916
- 47930 also Tippecanoe and Clinton counties
- 47933 also Fountain and Boone counties
- 47940
- 47949 also Fountain County
- 47954 also Putnam County
- 47955 also Tippecanoe County
- 47965
- 47967 also Tippecanoe County
- 47968 also Boone and Hendricks counties
- 47981 also Tippecanoe County
- 47989 also Parke and Putnam counties
- 47990 also Fountain County
- 47994 also Fountain County
Population of Montgomery County, 2020–2025
Montgomery County grew by 1,022 people (+2.7%) between April 2020 and July 2025: 13 more deaths than births and a net gain of 1,026 people from migration.
| Year (July 1) | Population |
|---|---|
| 2020 | 37,938 |
| 2021 | 38,018 |
| 2022 | 38,327 |
| 2023 | 38,692 |
| 2024 | 38,910 |
| 2025 | 38,954 |
Neighboring counties
- Tippecanoe County north · 190,456 people
- Fountain County west · 17,013 people
- Boone County east · 80,689 people
- Putnam County south · 37,876 people
- Parke County southwest · 16,642 people
- Hendricks County southeast · 193,510 people
- Clinton County northeast · 33,322 people
Printable Montgomery County map
The PDF is a vector file with real text: it prints sharp on Letter paper and you can search it for a town. The PNG is 2400 pixels wide for slides and documents. Both are free to use with a credit to WhichCounty.
- PDF (Letter) (92 KB)
- PNG (2400 px) (72 KB)
Paste this code to embed the map on your site:
Sources
- Boundaries: U.S. Census Bureau, 2025 Cartographic Boundary Files (1:500,000).
- Population: Census Bureau county and city estimates, Vintage 2025. CDP populations: American Community Survey 2020–2024.
- Places and ZIP codes: Census Bureau 2026 Gazetteer and 2020 ZIP Code Tabulation Area relationship files.
- County seat, founding year and name origin: Wikidata (CC0), checked against state sources.
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