Missouri Gazetteer
Also See La Grange, MO: ZIP Codes & Maps
The City of La Grange had a population of 841 as of July 1, 2025.
The primary coordinate point for La Grange is located at latitude 40.0428 and longitude -91.4977 in Lewis County. The formal boundaries for the City of La Grange encompass a land area of 1.56 sq. miles and a water area of 0.3 sq. miles. Lewis County is in the Central time zone (GMT -6).
The City of La Grange has a C1 Census Class Code which indicates an active incorporated place that does not serve as a county subdivision equivalent. It also has a Functional Status Code of "A" which identifies an active government providing primary general-purpose functions.
The City of La Grange is located within Township of Union, a minor civil division (MCD) of Lewis County.
POPULATION | |
|---|---|
| Total Population | 841 (100%) |
| Population in Households | 841 (100.0%) |
| Population in Families | 678 (80.6%) |
| Population in Group Quarters1 | 0 |
| Population Density | 540 |
| Diversity Index2 | 21 |
INCOME | |
| Median Household Income | $59,873 |
| Average Household Income | $75,936 |
| % of Income for Mortgage4 | 12% |
| Per Capita Income | $34,762 |
| Wealth Index5 | 51 |
| Socioeconomic Status Index6 | Moderate (50.1) |
HOUSING | |
|---|---|
| Total HU (Housing Units) | 437 (100%) |
| Owner Occupied HU | 297 (68.0%) |
| Renter Occupied HU | 88 (20.1%) |
| Vacant Housing Units | 52 (11.9%) |
| Median Home Value | $111,198 |
| Average Home Value | $137,618 |
| Housing Affordability Index3 | 196 |
HOUSEHOLDS | |
| Total Households | 385 |
| Average Household Size | 2.18 |
| Family Households | 231 |
| Average Family Size | 3.00 |
GROWTH RATE / YEAR |
2020-2025 | 2025-2030 |
|---|---|---|
| Population | 0.37% | -0.12% |
| Households | 0.71% | 0.21% |
| Families | 0.34% | |
| Median Household Income | 3.03% | |
| Per Capita Income | 2.70% | |
| Owner Occupied HU | 0.20% |
The table below compares La Grange to the other 1,082 incorporated cities, towns and CDPs in Missouri by rank and percentile using July 1, 2025 data. The location Ranked # 1 has the highest value. A location that ranks higher than 75% of its peers would be in the 75th percentile of the peer group.
| Variable Description | Rank | Percentile |
|---|---|---|
| Total Population | # 391 | 64th |
| Population Density | # 643 | 41st |
| Median Household Income | # 629 | 42nd |
| Housing Affordability Index | # 1022 | 94th |
| Per Capita Income | # 445 | 59th |
| Diversity Index | # 567 | 48th |
Additional comparisons and rankings can be made with a VERY EASY TO USE Missouri Census Data Comparison Tool.
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