LaGrange County, Indiana Population 2026
Updated April 2026 · US Census ACS 2023 5-Year Estimates · 37th-largest in Indiana
The population of LaGrange County, Indiana is 40,596 as of the 2023 American Community Survey, making it the 37th-largest county in Indiana. The median household income is $83,741, the median home value is $249,500, and the median age is 32.5.
The population of LaGrange County has grown 10.7% since 2010 (37,159 → 41,122), a +0.73% annualized rate.
40,596
Population
+0.73%
Annual growth
107
People / sq mi
$83,741
Median Income
$249,500
Median Home Value
LaGrange County covers 380 sq mi of land at 106.9 people per square mile.
About LaGrange County, IN
LaGrange County is defined demographically by education — 11.1% of adults hold a bachelor’s degree, below the national average. LaGrange County is a county in Indiana with a population of 40,596. It ranks #37 among counties in Indiana by population.
Households take in a median $83,741, comfortably above the US median of $78,538. Only 5.6% of residents live in poverty, below the national 12.4%. A typical home is worth $249,500, with typical rent around $816.
College credentials are comparatively rare here: just 11.1%, below the national 35.0%. Remote work is below the national 14.0% at 8.1%, and the average commute runs about 22 minutes each way.
LaGrange County Population History (2010-2024)
The county of LaGrange County had a population of 37,159 in 2010 and 41,122 in 2024, a 10.7% growth over 14 years. The peak was 41,122 in 2024. Average annual growth rate: 0.73%.
41,122
Population (2024)
37,159
Population (2010)
41,122
Peak (2024)
0.73%
Avg Annual Growth
| Year | Population |
|---|---|
| 2010 | 37,159 |
| 2011 | 37,470 |
| 2012 | 37,663 |
| 2013 | 38,089 |
| 2014 | 38,436 |
| 2015 | 38,620 |
| 2016 | 39,122 |
| 2017 | 39,247 |
| 2018 | 39,425 |
| 2019 | 39,771 |
| 2020 | 40,533 |
| 2021 | 40,527 |
| 2022 | 40,865 |
| 2023 | 40,979 |
| 2024 | 41,122 |
Race & Ethnicity
| White | 94.5% |
| Black or African American | 0.3% |
| Asian | 0.0% |
| Hispanic or Latino (any race) | 1.0% |
| Two or More Races | 0.0% |
Age & Sex
32.5
Median Age
49.2%
Female
50.8%
Male
14.2%
Age 65+
Age Distribution
Children (under 15): 26.6% · Seniors (65+): 14.2%
Income & Poverty
| Median household income | $83,741+$13,690 vs state |
| Mean household income | $101,036 |
| Per-capita income | $32,928 |
| Poverty rate | 5.6%-2.8% vs state |
| Unemployment rate | 2.2% |
| Employment-to-population | 62.5% |
Top Industries by Employment
The largest employment sector in LaGrange County is manufacturing, accounting for 43.0% of workers.
How residents commute
0.6%
Drive alone
2.7%
Carpool
48.7%
Public transit
8.1%
Work from home
22.0 min
Avg commute
Housing
$249,500+$47,900 vs state
Median home value
$816
Median rent
81.8%
Homeownership rate
15,023
Total housing units
85.2%
Occupied
14.8%
Vacant
18.2%
Renter-occupied
Social & access
55.7%
With health insurance
73.1%
With broadband internet
20.2%
Foreign-born
3.7%
Veterans (18+)
11.4%
With a disability
53.4%
Speak language other than English at home
Education
60.6%
High School+
11.1%
Bachelor's+
Largest cities in Indiana
Other counties in Indiana
Part of Indiana
Metro areas in Indiana
County rankings
Frequently Asked Questions
LaGrange County, Indiana has a population of 40,596 according to the US Census Bureau's 2023 American Community Survey 5-year estimates, making it the 37th-largest county in Indiana. Population density is 107 people per square mile.
The population of LaGrange County has grown 10.7% since 2010 (37,159 → 41,122), a +0.73% annualized rate.
The median household income in LaGrange County, Indiana is $83,741, with mean (average) household income of $101,036 and per-capita income of $32,928. 5.6% of residents live below the federal poverty level.
In LaGrange County, the largest racial and ethnic groups are White (94.5%), Hispanic or Latino (1.0%), Black or African American (0.3%). Figures are from the US Census Bureau's 2023 ACS 5-year estimates and reflect self-reported responses.
The median age in LaGrange County, Indiana is 32.5 years. Residents are 49.2% female and 50.8% male.
The median home value in LaGrange County is $249,500 and median monthly rent is $816. 81.8% of occupied housing units are owner-occupied. The county has 15,023 total housing units, 14.8% of which are vacant.
The largest employment sector in LaGrange County, Indiana is manufacturing, employing 43.0% of workers. The unemployment rate is 2.2%.
Indianapolis is among the largest cities associated with LaGrange County, Indiana, with a population of 882,043.
LaGrange County, IN Climate
LaGrange County, IN has an average annual temperature of 9.1°C (48°F) and receives about 922 mm of precipitation per year. The warmest month is July and the coldest is January. Figures are 1970–2000 climate normals.
9.1°C
Avg Temp
922
Precip (mm/yr)
Jul
Hottest Month
Jan
Coldest Month
| Month | Avg (°C/°F) | Precip |
|---|---|---|
| January | -5° / 22° | 44 mm |
| February | -3° / 26° | 44 mm |
| March | 2° / 36° | 70 mm |
| April | 9° / 47° | 88 mm |
| May | 15° / 59° | 91 mm |
| June | 20° / 68° | 97 mm |
| July | 22° / 72° | 94 mm |
| August | 21° / 70° | 95 mm |
| September | 17° / 63° | 88 mm |
| October | 11° / 51° | 68 mm |
| November | 4° / 39° | 73 mm |
| December | -2° / 28° | 70 mm |
1970–2000 normals from WorldClim 2.1 (~9 km grid). Precipitation can be less precise near mountains or coastlines, where rainfall varies sharply over short distances.
Best time to visit LaGrange County, IN
The most comfortable months to visit LaGrange County, IN are typically August, June and July, when temperatures are mildest and rainfall is relatively low. The hottest month is July (around 28°C high). The coldest is January (near -10°C low). June is usually the wettest month.
Where to stay near LaGrange County
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Data from the American Community Survey (ACS) 5-Year estimates.
Source: U.S. Census Bureau ACS, 2026.