Watertown, Wisconsin

Watertown population, 2020 to 2024

Watertown lost 317 residents from July 2020 to July 2024, a change of -1.4%. In the latest year it moved by -64. Among 157 Wisconsin places of 5,000 or more, that growth ranks 135th; the median place changed by +0.8%. The median place of 5,000+ in Wisconsin has 12,527 people, so Watertown is 1.8 times that size.

Watertown covers 12.07 square miles of land and 0.40 of water, for 1,874 people per square mile of land. The median Wisconsin place of 5,000+ has 1,583, so Watertown is denser than the typical town.

The 2 counties Watertown spans

Watertown crosses county lines. The Census county-part estimates split its 22,617 residents as follows; Jefferson County holds 63.9% of them. The shaded shapes are on the map above; dots mark the eight nearest places.

ZIP codes in Watertown

2 ZIP Code Tabulation Areas (ZCTAs) overlap Watertown by at least 10% of the ZCTA's or the city's land: 53094, 53098. 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 Watertown is

The Census internal point of Watertown is at 43.189400, -88.728900. Madison, the capital, is 34.0 miles WSW in a straight line. The nearest larger place is Sun Prairie, WI (39,253 people), 25.7 miles away. The nearest city of 100,000 or more is Madison, WI, 36.0 miles away.

Daylight in Watertown

At 43.19° N, Watertown gets about 15 h 23 min of daylight around the June solstice and 8 h 59 min around the December solstice, a swing of 6 h 24 min. Figures are sunrise to sunset from the SunCalc model for June 21 and December 21, 2026.

Places near Watertown

The eight nearest incorporated places of 1,000+ in Wisconsin, measured between internal points. The closest is Johnson Creek, 7.9 miles away, with 3,398 people.