Lake Mills, Wisconsin

Lake Mills population, 2020 to 2024

Lake Mills added 352 residents from July 2020 to July 2024, a change of +5.6%. In the latest year it moved by +23. Among 157 Wisconsin places of 5,000 or more, that growth ranks 29th; the median place changed by +0.8%. The median place of 5,000+ in Wisconsin has 12,527 people, so Lake Mills is 53% of it.

Lake Mills covers 4.18 square miles of land and 0.31 of water, for 1,583 people per square mile of land. The median Wisconsin place of 5,000+ has 1,583, so Lake Mills is close to the typical town.

What county Lake Mills is in

All of Lake Mills's residents live in Jefferson County, which had 86,245 residents in 2024. Lake Mills holds 7.7% of the county's population. The shaded shape is on the map above; dots mark the eight nearest places.

ZIP codes in Lake Mills

1 ZIP Code Tabulation Area (ZCTA) overlaps Lake Mills by at least 10% of the ZCTA's or the city's land: 53551. ZCTAs are Census approximations of USPS ZIP code delivery areas. The list comes from the 2020 ZCTA to place relationship file, so a city that annexed land after 2020 may reach into ZIP codes not listed here.

Where Lake Mills is

The Census internal point of Lake Mills is at 43.077600, -88.906400. Madison, the capital, is 24.1 miles W in a straight line. The nearest larger place is Jefferson, WI (7,766 people), 7.1 miles away. The nearest city of 100,000 or more is Madison, WI, 26.4 miles away.

Daylight in Lake Mills

At 43.08° N, Lake Mills gets about 15 h 22 min of daylight around the June solstice and 9 h 00 min around the December solstice, a swing of 6 h 23 min. Figures are sunrise to sunset from the SunCalc model for June 21 and December 21, 2026.

Places near Lake Mills

The eight nearest incorporated places of 1,000+ in Wisconsin, measured between internal points. The closest is Johnson Creek, 6.8 miles away, with 3,398 people.