Fontana-on-Geneva Lake is a city of 1,737 people in Wisconsin. The median age is 57.1, about 18 years above the US median. This is an unusually credentialed place: 59% of adults have a four-year degree. 87% of homes are owner-occupied. That puts it in the top 6% of US cities for household income. That is roughly 38% ahead of the Wisconsin median.
At a glance
Wealthier
median household income $106,750, above the US median
US median: $82,259
Older
median age 57.1
US median: 38.9
More educated
59% hold a bachelor's degree
US average: 36%
Less affordable
home values up 72%, inflation adjusted
US median home: $376,019
Unique to this place
What stands out about Fontana-on-Geneva Lake
What changed most since 1990
Median age40.6 → 57.1(+16.5 years)US over the same years: +6.0 years
Adults with a bachelor's degree29.2% → 59.1%(+29.9 pts)US over the same years: +15.3 pts
White share97.4% → 93.4%(−4.1 pts)US over the same years: −17.8 pts
Shares are "alone or in combination": a person with both Medicare and Medicaid counts in each, so categories overlap and do not sum to 100%.
Section 09 · Service history
Veterans
Veterans by period of service, 2024
Gulf War (2001 or later)5.1%(4)
US avg: 26.4%
Gulf War (1990s)5.1%(4)
US avg: 24.3%
Vietnam era25.3%(20)
US avg: 33.1%
Korean War7.6%(6)
US avg: 4.5%
World War II0%(0)
US avg: 1%
Share of the 79 veterans here. A veteran who served across eras counts in each, so shares can total more than 100%. Peacetime-only service is included in the total but not shown as an era.
BAR + DOT: THIS PLACE · TICK: US AVERAGE
Over time
Fontana-on-Geneva Lake, decade by decade
Fontana-on-Geneva Lake population, inflation-adjusted income and home value, education, and diversity by year
Year
Population
Median household income
Median home value
Bachelor's degree+
Diversity score
1990
1,635
$83,669
$252,727
29.2%
6.3
2000
1,754
$98,754
$333,181
39.4%
5.9
2010
1,672
$107,533
$545,362
53.9%
7.7
2020
3,120
$106,703
$482,755
58.9%
31.6
2024
1,737
$106,750
$572,600
59.1%
15.7
Census years come from the decennial census and the latest year from the American Community Survey, so part of any change between those two rows can reflect the different surveys. Dollar figures are adjusted for inflation to 2024 dollars; a figure ending in "+" was at the Census Bureau's reporting cap that year. The diversity score runs from 0 to 100; see how it's calculated.
How many people live in Fontana-on-Geneva Lake, Wisconsin?
Fontana-on-Geneva Lake, Wisconsin has about 1,737 residents according to the 2024 American Community Survey.
What is the median household income in Fontana-on-Geneva Lake, Wisconsin?
The typical household in Fontana-on-Geneva Lake, Wisconsin earns about $106,750 a year. Half of households make more than that, and half make less.
Is Fontana-on-Geneva Lake, Wisconsin expensive?
In Fontana-on-Geneva Lake, Wisconsin, the median home is worth about $572,600, and the typical rent is about $1,149 a month.
How educated are people in Fontana-on-Geneva Lake, Wisconsin?
About 59.1% of adults age 25 and over in Fontana-on-Geneva Lake, Wisconsin hold a bachelor's degree or higher.
What is the poverty rate in Fontana-on-Geneva Lake, Wisconsin?
About 7.5% of people in Fontana-on-Geneva Lake, Wisconsin live below the federal poverty line.
Has Fontana-on-Geneva Lake, Wisconsin grown since 1990?
Yes, Fontana-on-Geneva Lake, Wisconsin has grown since 1990. The population has added about 102 residents, a change of about 6 percent over that period.
