Lake Koshkonong

In Jefferson County, Wisconsin.

Open the map

This Afternoon 66°F Sunny

Tonight 49°F Chance Rain Showers30% precip

Sunday 67°F Sunny2% precip

Sunday Night 40°F Clear

In and around Lake Koshkonong

22 places

See & do

Eat, drink & stay

+1 more on the map

Shops & services

Everything else

+4 more on the map

See all places in Lake Koshkonong See them on the map

Musicians & bands near Lake Koshkonong →

Explore the Greater Watertown, WI metro →

Lake Koshkonong changes faster than we can keep up.

Something opened, closed or moved? Tell us and we'll put it right. Our editors review submissions before they publish — you'll need an account with access to send one.

Add a place Add an event Suggest a group

Lake Koshkonong by the numbers

Households & income

Area: 14.1 sq mi (36.53 km²), 15.73 sq mi water
Median age: 54
Households: 498
Persons per household: 2
Median household income: $97,115
Median house value: $370,300

2020–2024 ACS

Map