Le Sueur County area

Population and density of Le Sueur County

The Census Bureau estimates that 29,453 people lived in Le Sueur County on July 1, 2025. That ranks #1,505 of 3,222 county equivalents nationally and #38 of 87 in Minnesota. Since the April 1, 2020 estimates base of 28,663, the population has grown by 790 (+2.8%), compared with +2.2% for Minnesota as a whole.

With 448.8 square miles of land, that is 66 people per square mile (25 per km²), placing Le Sueur County #1,311 nationally for density and #22 in Minnesota. The median county equivalent has 47 people per square mile; the Minnesota median is 27. Put another way, there are about 9.8 acres of land per resident.

U.S. Census Bureau, Vintage 2025 population estimates. Estimates are revised each year and are not decennial census counts. Density divides the whole population by the whole county’s land area, so it describes an average, not how settlement is distributed within the county. Population sources and methods.

Cities and towns in Le Sueur County

Le Sueur County is divided into 25 municipalities and townships. In Minnesota, county subdivisions are local governments, and together they cover all of the county’s land and residents.

The most populous is Le Sueur city, with 4,210 residents (14.3% of the county). The largest by land is Kasota township, at 37.4 mi², or 8.3% of the county’s land. The county seat, Le Center city, has 2,524 residents. Among those with at least 1,000 residents in 2020, Montgomery city grew fastest since then (+8.5%).

Population: U.S. Census Bureau Vintage 2025 subcounty estimates, counting only the part of each subdivision inside Le Sueur County. Land: 2026 Census Gazetteer. How communities are listed.

Metropolitan area

Le Sueur County is an outlying county of the Minneapolis-St. Paul-Bloomington, MN-WI Metropolitan Statistical Area. Its 15 county equivalents have 3,790,295 residents on 7,047.6 square miles of land; Le Sueur County accounts for 6.4% of the land and 0.8% of the residents. By combined land it ranks #26 of 393 metropolitan areas, and #16 by population. It belongs to the Minneapolis-St. Paul, MN-WI Combined Statistical Area.

ZIP codes

13 ZIP Code Tabulation Areas have land in Le Sueur County; 8 of them have most of their land inside the county, and the others mainly cover neighboring areas.

56011560175602856044560505605256057560585606356069560715608256096

ZIP Code Tabulation Areas are the Census Bureau’s approximations of USPS ZIP Code service areas, from the 2020 Census relationship files. Lighter codes have less than half of their land in this county. Post-office-box and single-address ZIP Codes have no tabulation area.

Counties bordering Le Sueur County

Le Sueur County shares a land border with 6 county equivalents. It has more land than 3 of them. The largest neighbor is Blue Earth County (747.8 mi²) and the smallest is Scott County (356.1 mi²). Together with its neighbors, Le Sueur County forms a block of 3,509.1 mi² of land, of which it holds 12.8%.

How big is Le Sueur County compared with U.S. states?

Le Sueur County has less land than any of the 50 states. Rhode Island, the smallest state by land area, has 1,033.9 mi², about 2.3 times as much. Minnesota’s county land could hold about 177 areas the size of Le Sueur County.

Another way to picture it: the same land area would fill a square about 21.2 miles (34.1 km) on each side. Real county shapes are rarely square, so this is a scale reference rather than a width or driving distance.

State figures are the sums of each state’s county-equivalent land measurements in the same Census release, so states and counties are compared on the same basis. Published state totals can differ slightly because of rounding. Compare all states · Counties bigger than entire states.

What stands out about Le Sueur County?

Le Sueur County has more land than 946 of the other 3,221 county equivalents in the dataset.

A median is the middle county-equivalent measurement, not the average of the largest and smallest. All three bars use the same linear scale. Very small areas may appear as a thin sliver; the labels retain their values.

Does including water change its rank?

Using land plus water places Le Sueur County at #2,264 nationally by total area, 12 places closer to the top than its land rank. The water assigned to this geography moves it ahead of some county equivalents with more land.

Its water share is 5.3%, compared with a national county-equivalent median of 1.2% — 4.1 percentage points higher. This describes the statistical geography’s land/water mix, not flood exposure or developable land.

Closest positions in the national land ranking

These entries sit immediately beside Le Sueur County in the national ranking. They can be in different states and are not necessarily geographic neighbors.

Calculated from the same Census release as the area table. Total-area order uses original ALAND + AWATER; water shares and chart labels use published square miles. Calculation details.