Summit Lake, WI Demographics

Population 548 · Census ACS 2020–24

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Summit Lake, WI map of median age by neighborhood
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Population and households in Summit Lake

Household size in Summit Lake

Household size, people per household
PeriodSummit LakeWisconsinU.S.
2006–102.082.452.68
2010–142.162.472.73
2015–192.072.432.71
2020–242.102.402.65
Change+0.01−0.06−0.03
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Summit Lake is a place of small households, averaging 2.10 people against 2.65 for the U.S., which points to many singles, couples and roommates and relatively few children.

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 Summit Lake

Median age, years
PeriodSummit LakeWisconsinU.S.
2006–1053.438.837.7
2010–1454.239.938.6
2015–1958.540.939.6
2020–2459.141.440.1
Change+5.6+2.6+2.3
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Summit Lake skews older: half of its residents are older than 59.1, well above the national median of 40.1. That usually means more empty nesters and retirees, and fewer young families. The median age has climbed from 53.4 in 2006–10, but in a place this small, much of that may be survey noise rather than real change.

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 Summit Lake

Single-parent households, % of households
PeriodSummit LakeWisconsinU.S.
2006–102.6%10.4%12.3%
2010–142.3%10.5%12.3%
2015–199.2%10.0%11.6%
2020–243.4%9.8%11.6%
Change+0.8 pts−0.6 pts−0.6 pts
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Single parents head only 3.4% of households in Summit Lake, well below the national share of 11.6%.

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 Summit Lake

Renters in Summit Lake

Renters, % of occupied homes
PeriodSummit LakeWisconsinU.S.
2006–1011.4%30.5%33.3%
2010–1410.6%32.3%35.6%
2015–1912.2%33.0%36.0%
2020–246.0%32.2%34.8%
Change−5.3 pts+1.6 pts+1.5 pts
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Summit Lake is overwhelmingly a place of homeowners: only 6.0% of households rent, far below the national share of 34.8%. Owner-heavy areas like this tend to see less turnover. Among homeowners, 60.0% have no mortgage at all, well above the national share of 39.8%.

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 Summit Lake

Vacant homes, % of all homes
PeriodSummit LakeWisconsinU.S.
2006–1057.9%10.5%11.4%
2010–1461.4%10.6%11.4%
2015–1963.0%10.1%11.1%
2020–2454.9%9.2%9.6%
Change−3.0 pts−1.3 pts−1.8 pts
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Vacant homes make up 54.9% of the housing in Summit 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 Summit Lake

Age of homes, median year built
PeriodSummit LakeWisconsinU.S.
2006–10197319701974
2010–14197519711975
2015–19197619721977
2020–24197819741980
Change+5+5+6
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The typical home in Summit Lake was built around 1978, about the same vintage as the country's housing overall (1980).

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 Summit Lake

Rent, per month
PeriodSummit LakeWisconsinU.S.
2006–10$712$758$965
2010–14$633$821$1,040
2015–19$548$904$1,213
2020–24$489$1,139$1,571
Change−$223+$380+$606
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A typical rental in Summit Lake costs $489 a month with utilities, well below the national median of $1,571. The typical renter here spends 36.3% of household income on rent, well over the 30% mark often used to define affordable rent, so many renters here are stretched.

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 Summit Lake

Bachelor's degrees in Summit Lake

Bachelor's degrees, % of adults 25+
PeriodSummit LakeWisconsinU.S.
2006–1014.7%26.5%28.4%
2010–1415.1%28.0%29.6%
2015–1923.9%30.4%32.1%
2020–2422.6%33.6%35.6%
Change+7.9 pts+7.0 pts+7.2 pts
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Fewer adults in Summit Lake have a four-year degree than in the country as a whole: 22.6%, against 35.6% nationally.

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 Summit Lake

High school graduates, % of adults 25+
PeriodSummit LakeWisconsinU.S.
2006–1088.1%89.5%84.9%
2010–1488.4%90.7%86.1%
2015–1992.8%92.1%87.7%
2020–2496.6%93.3%89.3%
Change+8.5 pts+3.8 pts+4.3 pts
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High school completion is high in Summit Lake: 96.6% of adults 25 and older have a diploma or equivalent, well above the national rate of 89.3%.

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 Summit Lake

Unemployment, % of the labor force
PeriodSummit LakeWisconsinU.S.
2006–108.5%6.7%8.1%
2010–149.3%7.3%9.4%
2015–191.5%3.7%5.6%
2020–243.5%3.3%5.4%
Change−5.0 pts−3.4 pts−2.7 pts
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Jobs have been easier to find in Summit Lake than nationally: unemployment was 3.5%, against 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).

Summit Lake compared with nearby cities

CityHousehold sizeMedian ageSingle parentsRentersVacant homesMedian year builtMedian rentBachelor's degreeHigh school diplomaUnemployment
Summit Lake2.1059.13.4%6.0%54.9%1978$48922.6%96.6%3.5%
Elcho2.0857.73.7%9.2%57.6%1978$73822.3%94.9%1.6%
Deerbrook2.3251.76.6%8.6%35.4%1975$79718.3%93.8%2.0%
Post Lake1.9060.12.6%6.7%64.4%1978$90330.5%93.8%1.6%
Pearson2.0655.12.7%3.4%46.0%1983$87623.5%90.5%3.3%
Pelican Lake1.8661.02.7%16.5%54.5%1975$81122.5%95.1%3.7%
Neva Corners2.4948.06.2%11.6%21.1%1970$97014.7%90.6%3.5%
Harrison2.0458.74.6%7.6%47.1%1979$70725.5%95.6%3.0%
Parrish2.2356.73.9%8.8%47.8%1985$78015.7%95.8%5.2%
Dudley2.1651.96.2%15.8%27.3%1980$77123.7%89.7%2.4%
Kempster2.1954.24.7%10.0%47.0%1984$1,06312.2%88.0%1.7%

All figures 2020–24.

Cities with similar populations: Grissom Arb, IN · Harbin, TX · Happy Valley, AK · Hanley, IA · Handle, MS · Halbur, IA · Hagarville, AR · Gurn Spring, NY · Guild, NH · Hendrix, OK

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 Summit 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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