Fontana-on-Geneva Lake, WI Demographics

Population 1,899 · Census ACS 2020–24

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Median age by neighborhoodHistory and comparison ↓︎
Fontana-on-Geneva Lake, WI map of median age by neighborhood
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Population and households in Fontana-on-Geneva Lake

Household size in Fontana-on-Geneva Lake

Household size, people per household
PeriodFontana-on-Geneva LakeWisconsinU.S.
2006–102.522.452.68
2010–142.192.472.73
2015–192.242.432.71
2020–242.222.402.65
Change−0.30−0.06−0.03
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Fontana-on-Geneva Lake is a place of small households, averaging 2.22 people against 2.65 for the U.S., which points to many singles, couples and roommates and relatively few children. Household size has dropped from 2.52 in 2006–10, but in a place this small, much of that may be survey noise rather than real change.

Household size: the average number of people living in each occupied home. Source: BestNeighborhood calculations from U.S. Census Bureau ACS 5-year block-group estimates (table B25010).

Median age in Fontana-on-Geneva Lake

Median age, years
PeriodFontana-on-Geneva LakeWisconsinU.S.
2006–1043.438.837.7
2010–1453.539.938.6
2015–1954.540.939.6
2020–2454.841.440.1
Change+11.4+2.6+2.3
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Fontana-on-Geneva Lake skews older: half of its residents are older than 54.8, well above the national median of 40.1. That usually means more empty nesters and retirees, and fewer young families.

Median age: the age that splits residents into two equal halves. Source: BestNeighborhood calculations from U.S. Census Bureau ACS 5-year block-group estimates (table B01002).

Single-parent households in Fontana-on-Geneva Lake

Single-parent households, % of households
PeriodFontana-on-Geneva LakeWisconsinU.S.
2006–108.7%10.4%12.3%
2010–145.9%10.5%12.3%
2015–198.1%10.0%11.6%
2020–244.3%9.8%11.6%
Change−4.4 pts−0.6 pts−0.6 pts
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Single-parent households are relatively rare in Fontana-on-Geneva Lake: 4.3% of households, against 11.6% nationally.

Single-parent households: households where one adult with no spouse present lives with children under 18. Source: BestNeighborhood calculations from U.S. Census Bureau ACS 5-year block-group estimates (table B11003).

Housing in Fontana-on-Geneva Lake

Renters in Fontana-on-Geneva Lake

Renters, % of occupied homes
PeriodFontana-on-Geneva LakeWisconsinU.S.
2006–1020.0%30.5%33.3%
2010–1422.7%32.3%35.6%
2015–1921.8%33.0%36.0%
2020–2419.3%32.2%34.8%
Change−0.7 pts+1.6 pts+1.5 pts
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Fontana-on-Geneva Lake is largely a place of homeowners: only 19.3% of households rent, far below the national share of 34.8%. Owner-heavy areas like this tend to see less turnover. Among homeowners, 38.5% have no mortgage at all, about the same as nationally.

Renters: occupied homes that are rented rather than owned. Source: BestNeighborhood calculations from U.S. Census Bureau ACS 5-year block-group estimates (table B25003).

Vacant homes in Fontana-on-Geneva Lake

Vacant homes, % of all homes
PeriodFontana-on-Geneva LakeWisconsinU.S.
2006–1046.8%10.5%11.4%
2010–1455.7%10.6%11.4%
2015–1954.4%10.1%11.1%
2020–2448.0%9.2%9.6%
Change+1.1 pts−1.3 pts−1.8 pts
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Vacant homes make up 48.0% of the housing in Fontana-on-Geneva Lake, far above the national rate of 9.6%. In resort and lake areas that usually means seasonal and vacation homes; elsewhere it can point to weak demand.

Vacant homes: homes with no one living in them, including vacation homes and homes for sale or rent. Source: BestNeighborhood calculations from U.S. Census Bureau ACS 5-year block-group estimates (table B25002).

Age of homes in Fontana-on-Geneva Lake

Age of homes, median year built
PeriodFontana-on-Geneva LakeWisconsinU.S.
2006–10197219701974
2010–14196819711975
2015–19197019721977
2020–24197119741980
Change−1+5+6
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Fontana-on-Geneva Lake is a place of older homes: half were built before 1971, while the national median is 1980. That means established neighborhoods, and more houses that may need updating. Wisconsin as a whole looks much the same.

Age of homes: the year that splits the housing stock into older and newer halves. Source: BestNeighborhood calculations from U.S. Census Bureau ACS 5-year block-group estimates (table B25035).

Rent in Fontana-on-Geneva Lake

Rent, per month
PeriodFontana-on-Geneva LakeWisconsinU.S.
2006–10$767$758$965
2010–14$1,018$821$1,040
2015–19$884$904$1,213
2020–24$1,689$1,139$1,571
Change+$921+$380+$606
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A typical rental in Fontana-on-Geneva Lake costs $1,689 a month with utilities, above the national median of $1,571. Rent takes 29.2% of the typical renter's income, just under the 30% mark often used to define affordable rent.

Rent: monthly rent plus the utilities renters pay themselves. Source: BestNeighborhood calculations from U.S. Census Bureau ACS 5-year block-group estimates (table B25064).

Education in Fontana-on-Geneva Lake

Bachelor's degrees in Fontana-on-Geneva Lake

Bachelor's degrees, % of adults 25+
PeriodFontana-on-Geneva LakeWisconsinU.S.
2006–1046.5%26.5%28.4%
2010–1451.6%28.0%29.6%
2015–1952.2%30.4%32.1%
2020–2457.8%33.6%35.6%
Change+11.2 pts+7.0 pts+7.2 pts
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College graduates are unusually common in Fontana-on-Geneva Lake: 57.8% of adults 25 and older have a bachelor's degree or higher, against 35.6% nationally. Education tends to track local incomes and the kinds of jobs nearby.

Bachelor's degrees: adults 25 and older with a bachelor's degree or higher. Source: BestNeighborhood calculations from U.S. Census Bureau ACS 5-year block-group estimates (table B15003).

High school graduates in Fontana-on-Geneva Lake

High school graduates, % of adults 25+
PeriodFontana-on-Geneva LakeWisconsinU.S.
2006–1092.9%89.5%84.9%
2010–1495.2%90.7%86.1%
2015–1994.1%92.1%87.7%
2020–2494.7%93.3%89.3%
Change+1.8 pts+3.8 pts+4.3 pts
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High school completion is high in Fontana-on-Geneva Lake: 94.7% of adults 25 and older have a diploma or equivalent, well above the national rate of 89.3%. Wisconsin as a whole looks much the same.

High school graduates: adults 25 and older with a high school diploma, GED or more. Source: BestNeighborhood calculations from U.S. Census Bureau ACS 5-year block-group estimates (table B15003).

Jobs in Fontana-on-Geneva Lake

Unemployment, % of the labor force
PeriodFontana-on-Geneva LakeWisconsinU.S.
2006–103.8%6.7%8.1%
2010–144.7%7.3%9.4%
2015–194.4%3.7%5.6%
2020–243.3%3.3%5.4%
Change−0.5 pts−3.4 pts−2.7 pts
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The job market in Fontana-on-Geneva Lake has been strong: just 3.3% of the labor force was out of work and looking, well below the national rate of 5.4%. That is in line with the rest of Wisconsin. Because the Census pools five years of responses (2020–24), these rates smooth over short swings and lag the current job market.

Unemployment: people looking for work as a share of everyone working or looking. Source: BestNeighborhood calculations from U.S. Census Bureau ACS 5-year block-group estimates (table B23025).

Fontana-on-Geneva Lake compared with nearby cities

CityHousehold sizeMedian ageSingle parentsRentersVacant homesMedian year builtMedian rentBachelor's degreeHigh school diplomaUnemployment
Fontana-on-Geneva Lake2.2254.84.3%19.3%48.0%1971$1,68957.8%94.7%3.3%
Walworth2.5441.411.0%34.9%14.3%1980$97431.1%89.2%3.3%
Fontana2.2857.16.1%16.5%53.0%1980$1,79154.1%97.1%1.2%
Williams Bay2.3848.28.2%20.3%37.0%1975$1,08946.9%98.7%2.0%
Linton2.4441.115.2%18.6%18.3%1975$86538.4%91.2%1.6%
Delavan Lake2.4150.03.6%13.3%46.2%1974$92133.5%86.8%2.6%
Lawrence3.1730.017.0%45.9%3.8%1992$1,18922.4%81.6%7.0%
Como2.2445.79.8%25.7%24.0%1971$1,56629.1%93.0%3.0%
Inlet2.6650.43.3%19.9%5.3%1973$1,09922.1%88.3%2.3%
Zenda2.4540.914.5%18.6%16.7%1972$88135.9%92.3%2.1%
Delavan2.2642.47.6%36.1%7.7%1971$1,11722.8%91.1%3.6%

All figures 2020–24.

Cities with similar populations: Bahama, NC · Patillo, GA · Milan, NM · Fe Warren Afb, WY · Edgewood, PA · Duffield, VA · Crouse, NC · Cornwall On Hudson, NY · Canajoharie, NY · Branford, FL

About these numbers

Every figure on this page is a BestNeighborhood calculation from the Census Bureau's American Community Survey (ACS), built up from the Census block groups that make up Fontana-on-Geneva Lake. Each ACS 5-year release pools five years of responses; this page shows the last 15 releases, 2006–10 through 2020–24. Neighboring releases share four of their five years, so they move gradually and small changes between them are within the survey's margin of error; in small places the lines can jump from one release to the next for the same reason. The maps show the same measures for each neighborhood, ranked against the whole country.

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