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Sumpter, WI
Key Indicators
A quick look at key numbers
Population
1,163
Source: U.S. Census Bureau American Community Survey (ACS) 2020-2024 5-Year Estimates
Median Age
37.2
years ∙ half population younger than 37.2, half older
Diversity Index
46.3%
chance two random people differ in race and ethnicity
Nativity
13.8%
foreign-born population
Geographic Context
Location, size, and surroundings
About
Sumpter is a town in Sauk County, Wisconsin, United States.
Co-ordinates
DEC43.366802° N, 89.784258° W
DMS43° 22′ 00.49″ N, 89° 47′ 03.33″ W
Population Density & area
30.93/sq mi
(11.93/km²)
Demographics & Living
Who lives here, how households are formed, and community composition
Population Composition
Key characteristics of the population
Sex Distribution
47.3%
male
Male
47.3%
Female
52.7%
males per 100 females
Sumpter
89.7
Sauk County
100.9
Wisconsin
100.3
Nativity
13.8%
foreign-born population
% Foreign-born
Sumpter
13.8%
Sauk County
3.9%
Wisconsin
5.2%
Age Distribution
How the population is spread across age groups
Median Age
37.2
years ∙ half population younger than 37.2, half older
Dependency ratio
72.6
dependents per 100 working-age adults
Sumpter
72.6
Sauk County
73.2
Wisconsin
66.4
AGE DISTRIBUTION
Distribution of age group
Median age
| Sumpter | Sauk County | Wisconsin | |
|---|---|---|---|
| Age Group | |||
| Children (Under 18) | 29% | 22.3% | 21.4% |
| Working age (18-64) | 57.9% | 57.8% | 60.1% |
| Senior (65+) | 13.1% | 19.9% | 18.5% |
| Dependency ratio | |||
| Total dependency ratio | 72.6 | 73.2 | 66.4 |
| Child dependency ratio | 50 | 38.7 | 35.6 |
| Old-age dependency ratio | 22.6 | 34.5 | 30.8 |
Racial & Ethnic Composition
Racial and ethnic makeup and how it compares
Race & Ethnicity
Note: White, Black, and Asian refer to individuals belonging to a single race and not of Hispanic origin. Hispanics may be of any race.
Diversity Index
46.3%
chance two random people differ in race and ethnicity
Sumpter
46.3%
Sauk County
24.9%
Wisconsin
37%
Note: The Diversity Index (DI), based on the Blau Index, measures the probability that two randomly selected individuals differ in race and ethnicity. Values range from 0 (no diversity) to 1 (high diversity) and are shown as percentages.
RACIAL & ETHNIC COMPOSITION
Race & Ethnicity
Percentage of Sumpter population
| Sumpter | Sauk County | Wisconsin | |
|---|---|---|---|
| Hispanic or Latino | 26.2% | 6.8% | 8% |
| Mexican | 24.8% | 3.6% | 5.4% |
| Puerto Rican | 0% | 1% | 1.1% |
| Cuban | 0% | 0.1% | 0.1% |
| Other Hispanic / Latino | 1.5% | 2.1% | 1.3% |
| Not Hispanic or Latino | 73.8% | 93.2% | 92% |
| One race | 72% | 88.8% | 88.3% |
| White | 68.3% | 86.3% | 78.6% |
| Black or African American | 3.7% | 0.8% | 5.9% |
| American Indian and Alaska Native | 0% | 0.5% | 0.5% |
| Asian | 0% | 0.4% | 2.9% |
| Native Hawaiian and Other Pacific Islander | 0% | 0% | 0% |
| Some Other Race | 0% | 0.8% | 0.3% |
| Two or more races (Multiracial) | 1.8% | 4.4% | 3.7% |
Household & Families Composition
Household size, type, and family structure
Household structure
52.5%
family
Family
52.5%
Non family
47.5%
% family households
Sumpter
52.5%
Sauk County
64.3%
Wisconsin
60.5%
Average household size
2.44
persons per household
Household & Family COMPOSITION
Households
Percentage of Sumpter population
| Sumpter | Sauk County | Wisconsin | |
|---|---|---|---|
| Total households | 476 | 27,987 | 2,479,480 |
| Average houshold size | 2.44 | 2.33 | 2.33 |
| Family households | 250 | 18,009 | 1,500,296 |
| Average family size | 3.2 | 2.86 | 2.95 |
| Married couple family | 173 | 14,248 | 1,161,326 |
| Other families | 77 | 3,761 | 338,970 |
| Male householder | 37 | 1,514 | 112,650 |
| Female householder | 40 | 2,247 | 226,320 |
| Non-family households | 226 | 9,978 | 979,184 |
| One-person households | 169 | 7,906 | 781,452 |
| Male householder | 66 | 4,044 | 373,428 |
| Senior (65+) living alone | 23 | 1,280 | 109,743 |
| Female householder | 103 | 3,862 | 408,024 |
| Senior (65+) living alone | 24 | 2,202 | 210,915 |
| Other living arrangements | 57 | 2,072 | 197,732 |
Housing Profile
Housing stock, ownership, rentals, and cost burdens
Total housing units
559
housing units
Sumpter
559
Sauk County
31,496
Wisconsin
2,778,572
Occupancy status
85.2%
occupied
Occupied
85.2%
Vacant
14.8%
vacancy rate
Sumpter
14.8%
Sauk County
11.1%
Wisconsin
10.8%
Housing Characteristics
How the housing supply is structured and used
Types of Housing unit
54.2%
Single family houses
Median Year Built
1977
Half of houses were built before 1977, and half after.
Note: Median year built reflects occupied units only; distribution includes all units.
Housing Characteristics
Units, rooms & bedrooms
Physical characteristics of housing units
| Sumpter | Sauk County | Wisconsin | |
|---|---|---|---|
| Rooms per unit | |||
| Median rooms | 5 | 5.9 | 5.6 |
| 1–3 rooms | 23.8% | 12% | 13.2% |
| 4–6 rooms | 38.8% | 48.6% | 52% |
| 7+ rooms | 37.4% | 39.5% | 34.9% |
| Bedrooms | |||
| No bedroom / studio | 2.1% | 1.7% | 2.1% |
| 1 bedroom | 8.4% | 8.3% | 10% |
| 2 bedrooms | 36% | 26.5% | 27.8% |
| 3 bedrooms | 30.6% | 41.9% | 40% |
| 4+ bedrooms | 22.9% | 21.6% | 20.1% |
| At a glance | |||
| Median year built | 1977 | 1983 | 1975 |
| Total housing units | 559 | 31,496 | 2,778,572 |
Occupancy Profile
Who is inside and how they use it
Homeownership
72.5%
owners
Renter-occupied
27.5%
Owner-occupied
72.5%
homeownership rate
Sumpter
72.5%
Sauk County
72.4%
Wisconsin
67.8%
Average household size
2.64
Owner-occupied
1.92
Renter-occupied
owner-occupied average size
Sumpter
2.64
Sauk County
2.51
Wisconsin
2.49
Housing Characteristics
Occupied unit characteristics
Tenure, crowding, and utilities
| Sumpter | Sauk County | Wisconsin | |
|---|---|---|---|
| Total occupied units | 476 | 27,987 | 2,479,480 |
| Year moved in | |||
| 2020 or later | 20.4% | 21.7% | 23.1% |
| 2010 to 2019 | 42% | 39% | 38% |
| 2000 to 2009 | 12% | 17.6% | 17.1% |
| 1999 or earlier | 25.6% | 21.7% | 21.8% |
| Occupants per room | |||
| 1.00 or fewer | 98.1% | 98.1% | 98.3% |
| 1.01 to 1.50 | 0.8% | 1.6% | 1.2% |
| 1.51 or more | 1.1% | 0.2% | 0.5% |
| Vehicles availability | |||
| No vehicles | 4.8% | 5.1% | 6.4% |
| 1 vehicle | 34.7% | 29.9% | 33% |
| 2 vehicles | 34.5% | 38.2% | 39.5% |
| 3 or more vehicles | 26.1% | 26.8% | 21.1% |
| House heating fuel used | |||
| Gas | 83.4% | 75.4% | 76.6% |
| Electricity | 14.1% | 16.9% | 17.8% |
| Solar | 0% | 0% | 0.1% |
| Fuel oil, kerosene etc | 0.8% | 1.1% | 1.4% |
| All other fuels | 1.7% | 6.2% | 3.5% |
| No fuel used | 0% | 0.4% | 0.6% |
| Selected characteristics | |||
| Lacking complete plumbing | 1.1% | 0.6% | 0.4% |
| Lacking complete kitchen | 1.1% | 1.4% | 0.8% |
| No telephone service available | 0% | 0.6% | 0.8% |
Housing Value
What owner-occupied units are worth
Median home value
$199,700
owner-occupied units
Housing Cost Burden
32%
of homeowners with a mortgage are cost-burdened
Note: Households spending 30% or more of their income on housing costs are considered cost-burdened.
Financial characteristics
Property value and housing costs
Tenure, crowding, and utilities
| Sumpter | Sauk County | Wisconsin | |
|---|---|---|---|
| Property value | |||
| Median Value | $199,700 | $258,600 | $266,500 |
| Under $100,000 | 36.5% | 9.8% | 9.1% |
| $100,000 - $200,000 | 13.7% | 22% | 23% |
| $200,000 - $300,000 | 18.8% | 28.4% | 25.5% |
| $300,000 - $500,000 | 22.3% | 28% | 29.4% |
| $500,000 - $1,000,000 | 7% | 10.4% | 11.4% |
| $1,000,000 and more | 1.7% | 1.6% | 1.7% |
| Owner-occupied households | |||
| With a mortgage | 49.9% | 61.5% | 61.1% |
| Without a mortgage | 50.1% | 38.5% | 38.9% |
| Median monthly owner costs | |||
| With a mortgage | $1,701 | $1,646 | $1,689 |
| Without a mortgage | $648 | $640 | $659 |
| Gross rent | |||
| Median rent | $975 | $1,018 | $1,087 |
Education Profile
How educated is the community and how education pays off
Adults with a college degree
15.7%
of adults 25+ with a bachelor's degree or higher
Sumpter
15.7%
Sauk County
27.3%
Wisconsin
33.4%
Adults without a high school diploma
5.9%
of adults (25+) without a high school diploma
Sumpter
5.9%
Sauk County
7.4%
Wisconsin
6.4%
School Enrollment
Who is enrolled in school and at what level
School enrollment
279
population (age 3+) enrolled in school
College-going rate (18-24 yr olds)
9.9%
of 18-24-year-olds in college or graduate school
Enrollment & school type
Enrollment levels, college-going rate, and public vs private school split
Population 3+ currently enrolled in a school
| Sumpter | Sauk County | Wisconsin | |
|---|---|---|---|
| Total enrolled (age 3+) | 279 | 13,704 | 1,356,381 |
| Nursery / preschool | 4.7% | 6.2% | 5.3% |
| K–12 | 86.7% | 75.9% | 69.3% |
| Kindergarten | 7.5% | 5.9% | 5.5% |
| Elementary: Grades 1–4 | 14% | 21.8% | 20.2% |
| Elementary: Grades 5–8 | 41.2% | 25.7% | 21.3% |
| High School: Grades 9–12 | 24% | 22.5% | 22.3% |
| College or graduate school | 8.6% | 18% | 25.3% |
| College, undergraduate | 8.6% | 15% | 20.7% |
| Graduate, professional school | 0% | 2.9% | 4.7% |
| College-going rate · 18-24 yr olds | 9.9% | 25.2% | 39.8% |
| School type | |||
| Public school | 86.7% | 79.7% | 82.4% |
| Private school | 13.3% | 20.3% | 17.6% |
Education Attainment by Level & Gender
What is the highest level of education completed among adults
Education attainment
695
population 25 years and over
Attainment by gender
Male vs Female
Adults (25+) · Share within each education level
Educational Attainment Overview
Distribution and key education attainment rates for adults (25+)
Highest credential completed · adults 25+
| Sumpter | Sauk County | Wisconsin | |
|---|---|---|---|
| Population (25+) | 695 | 46,519 | 4,099,973 |
| Less than 9th grade | 2.6% | 3% | 2.3% |
| 9th–12th, no diploma | 3.3% | 4.4% | 4.1% |
| High school diploma or GED | 35.5% | 31.2% | 29.4% |
| Some college, no degree | 24.6% | 20.8% | 19.5% |
| Associate's degree | 18.3% | 13.2% | 11.3% |
| Bachelor's degree or higher | 15.7% | 27.3% | 33.4% |
| Bachelor's degree | 12.5% | 19.1% | 22% |
| Graduate or professional | 3.2% | 8.2% | 11.4% |
| High School or higher | 94.1% | 92.6% | 93.6% |
Earnings by education level
percentage as applicable
Median Earnings
$47,875
Median earnings for adults 25+, by level
Poverty Rate
5.5%
for ages 25+, with bachelors degree or higher
Outcomes by Education Level
Earnings and poverty rates across education levels (25+)
Adults 25+
| Sumpter | Sauk County | Wisconsin | |
|---|---|---|---|
| Median earnings | |||
| Population 25+, with earnings | $47,875 | $51,358 | $53,060 |
| Less than high school graduate | $23,438 | $37,991 | $36,585 |
| High school graduate (includes equivalency) | $42,917 | $43,312 | $42,367 |
| Some college or associate's degree | $48,875 | $49,436 | $49,438 |
| Bachelor's degree | $57,083 | $62,217 | $66,239 |
| Graduate or professional degree | $100,000 | $70,955 | $79,916 |
| Poverty rates | |||
| Less than high school graduate | 9.8% | 19.6% | 22.6% |
| High school graduate (includes equivalency) | 11.7% | 9.5% | 12.2% |
| Some college or associate's degree | 2.3% | 6% | 7.9% |
| Bachelor's degree or higher | 5.5% | 3.3% | 3.7% |
About Neilsberg Research
Neilsberg Research team are data scientists with expertise in processing, analysis and visualization of big data helping small businesses make right decisions.
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