Watertown

Population

22,303 (2020)

Type

City

Area

18.37 sq mi (47.57 km²), 7.98 sq mi water

Median age

37.5

Households

10,560

Persons per household

2.3

Median household income

$52,392

Average house value

$172,200

Businesses

1,056

Employees

13,561

Government

CITY OF WATERTOWN

Government office

PO BOX 910, WATERTOWN, SD 57201