LaGrange County, Indiana

County seat: LaGrange · Population 41,305 (2025) · 380 sq mi

LaGrange County is the 37th most populous of Indiana's 92 counties, with 41,305 people (2025 estimate). Its county seat is LaGrange. It is part of the Northeast (Region 3) region, one of the 12 Indiana economic growth regions (DWD / WorkOne regions). The map shows its 4 cities and towns and the 6 neighboring counties.

Map of LaGrange County, Indiana with cities, towns and the county boundary
LaGrange 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).

LaGrange County facts

County seat
LaGrange
Population (2025 estimate)
41,305 +2.1% since 2020
Land area
380 sq mi 59th largest of 92
Water area
7 sq mi
Population density
109 per sq mi
Established
1832
Named after
Château de la Grange-Bléneau castle in France
Largest city
Lagrange 2,769
Median household income
$84,487
Cities and towns
4 plus 9 CDPs
ZIP codes
13
Time zone
Eastern
FIPS code
18087

Cities and towns in LaGrange County

LaGrange County has 4 incorporated cities, towns and villages. Populations count the people living inside LaGrange County; cities that cross a county line also list the other counties.

NameTypePopulation 2025Also in
LagrangeTown2,769
TopekaTown1,229
ShipshewanaTown855
WolcottvilleTown426Noble County

Unincorporated communities (CDPs)

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

CommunityPopulationAlso in
Howe1,092
Shipshewana Lake365
Ontario301
Adams Lake286
South Milford284
Mongo246
Stroh238
Scott137
Wall Lake111Steuben County

ZIP codes in LaGrange County

13 ZIP codes reach into LaGrange County. ZIP codes ignore county lines, so some also cover a neighboring county.

Population of LaGrange County, 2020–2025

LaGrange County grew by 860 people (+2.1%) between April 2020 and July 2025: 2,144 more births than deaths and a net loss of 1,279 people from migration.

Year (July 1)Population
202040,537
202140,516
202240,802
202340,943
202441,118
202541,305

Neighboring counties

Printable LaGrange 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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