Market Overview
Home Prices in Lake Koshkonong, WI
The median home value in Lake Koshkonong, WI is $192,305 as of mid-2026, according to Zillow's Home Value Index (ZHVI).That's down 9.1% compared to a year ago and down 11.1% from two years prior.
Compared to the U.S. national median of $410,000, homes in Lake Koshkonong are priced53% below average. Lake Koshkonong is part of the Watertown-Fort Atkinson, WI metro area.
Over the past five years, Lake Koshkonong home values have fallen by approximately45.1%, reflecting softening conditions in this market.
Price History
Lake Koshkonong Home Price Trend
City Comparison
Lake Koshkonong vs. National Median
At $192,305, homes in Lake Koshkonong cost 53% below the national median of $410,000. This makes Lake Koshkonong a relatively affordable market for buyers seeking value.
Affordability
What Does It Cost to Buy in Lake Koshkonong?
20% Down Payment
$38,461
on $192,305
Monthly P&I
$1,003/mo
30-yr @ 6.8%
Total Monthly Est.
~$1,274/mo
incl. taxes & insurance
Income Needed
$50,960
gross annual (30% rule)
10% Down Option
$19,231
+ PMI applies
Loan Amount (20% dn)
$153,844
at current rates
Estimates assume a 30-year fixed mortgage at 6.8%. Monthly total includes estimated property taxes and homeowner's insurance. Actual costs vary.
FAQ
Frequently Asked Questions
What is the average home price in Lake Koshkonong, WI?
The median home value in Lake Koshkonong is $192,305 as of mid-2026, according to Zillow's Home Value Index (ZHVI). That's down 9.1% year-over-year.
How much have home prices changed in Lake Koshkonong?
Over the past year, home values in Lake Koshkonong have decreased by 9.1%. Over five years, prices have fallen approximately 45.1%.
How much do I need to earn to buy a home in Lake Koshkonong?
To comfortably afford the median home price of $192,305 with a 20% down payment ($38,461) at today's rates (6.8%), you'd need a gross annual income of approximately $50,960. This assumes keeping total housing costs at or below 30% of gross income.
How does Lake Koshkonong compare to the national average home price?
The national median home value is approximately $410,000. At $192,305, homes in Lake Koshkonong are 53% below the national average.
What metro area is Lake Koshkonong part of?
Lake Koshkonong is part of the Watertown-Fort Atkinson, WI metropolitan area. Home prices and market conditions can vary across the broader metro region.