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.

Map of Montgomery County, Indiana with cities, towns and the county boundary
Montgomery County, Indiana with its cities and towns, unincorporated communities (CDPs) and neighboring counties. Boundaries: U.S. Census Bureau, 2025. Free to use with attribution (CC BY 4.0).

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.

NameTypePopulation 2025Also in
Crawfordsville (county seat)City16,699
LadogaTown1,103
WaynetownTown976
LindenTown742
DarlingtonTown724
New MarketTown567
WavelandTown443
New RichmondTown318
New RossTown314
WingateTown252
AlamoTown67

Unincorporated communities (CDPs)

Census-designated places are communities without their own city government; the county provides their services.

CommunityPopulationAlso in
Lake Holiday845
Mace84
Linnsburg56

ZIP codes in Montgomery County

16 ZIP codes reach into Montgomery County. ZIP codes ignore county lines, so some also cover a neighboring 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
202037,938
202138,018
202238,327
202338,692
202438,910
202538,954

Neighboring counties

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.

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Sources

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