Indian Population in Jefferson County, WI by City : 2025 Ranking & Insights
The Indian population in Jefferson County, WI is recorded at 104 residents, based on the latest U.S. Census estimates. Most cities in Jefferson County - including Fort Atkinson, Whitewater, Waterloo, and others - report non-zero figures, reflecting a broad and distributed Indian presence. However, the combined population across these cities exceeds the official county total - a likely result of rounding differences or sampling variations in small-population census data. The analysis below explores how Indian communities are spread across Jefferson County, WI and comparable counties throughout Wisconsin.
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Top 5 cities with the largest Indian population in Jefferson County
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1Fort AtkinsonIndian population in Fort Atkinson is 360.29% of Fort Atkinson population is Indian
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2WhitewaterIndian population in Whitewater is 300.19% of Whitewater population is Indian
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3WaterlooIndian population in Waterloo is 270.76% of Waterloo population is Indian
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4Lake MillsIndian population in Lake Mills is 140.22% of Lake Mills population is Indian
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5Koshkonong townIndian population in Koshkonong town is 100.27% of Koshkonong town population is Indian
Overview of Indian population in Jefferson County
- Population Count and Percentage: American Community Survey data document Jefferson County with 104 Indian residents (0.12% of 85,867 total county population), positioning the jurisdiction at the 70th percentile nationally among counties and 62nd percentile within Wisconsin for Indian population concentrations, despite absolute population figures.
- Comparison to State and National Averages: Census Bureau's ACS data indicate Jefferson County's Indian population of 0.12% remains below Wisconsin's state average of 0.65% and the national average of 1.5%, placing the county below demographic benchmarks across multiple geographic scales.
- Share of Total State Population: Official American Community Survey data indicates Jefferson County contains 104 Indian residents, representing less than 1% of Wisconsin's total Indian population of 38,575.
- Population Density per Square Mile: U.S. Census Bureau's American Community Survey indicate Jefferson County's density of 0.19 Indian Americans per square mile remains below Wisconsin's average of 0.71 per square mile, with relatively sparse community distribution compared to state demographic concentrations.
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25 Cities in Jefferson County Ranked by Indian Population
ACS data [1] show Indian populations distributed across multiple cities in the county, led by Fort Atkinson, Whitewater, Waterloo, and Lake Mills. The table below provides additional context, including total population, population density, and demographic distributions, based on current ACS data for 25 incorporated cities included in this analysis*.
Methodology
This ranking list is based on data from the American Community Survey (ACS) 5-Year Estimates, conducted by the U.S. Census Bureau. The ACS is one of the most reliable sources for understanding population trends across different locations, and it provides estimates for various racial and ethnic groups at city, county, state and all geography levels down to the Census block group.
This list ranks city in Jefferson County, WI by their Indian population, using the most recent ACS data available.
How the Census defines Indian population
The U.S. Census Bureau allows people to self-identify their ancestry, meaning individuals can write upto ancestries when responding to the survey. In this ranking, we include everyone who identifies as having Indian ancestry, whether alone or in combination with another ancestry.
Here are a few important things to know about how ancestry is reported:
- Some people identify as Indian alone, while others identify as Indian along with another race (such as Indian and German).
- We’ve used the “Indian alone or in any combination” category unless noted otherwise, which gives a broader picture of the Indian population in each area.
How We Ranked the Data
This ranking is based on the total number of people who identified as Indian alone or in combination in city. To provide additional context, we’ve also included two key percentages:
- % of Total City Population – This shows what percentage of the total state population identifies as Indian .
- % of Total Jefferson County Indian Population – This tells us how much of the entire U.S. Indian population lives in that state.
To keep things simple, all population numbers have been rounded to the nearest whole number, and percentages are rounded to one decimal place. Because of rounding, some percentages may not add up to exactly 100%.
Things to Keep in Mind
Like all survey-based data, ACS estimates come with some limitations. Here are a few things to be aware of:
- In places with very small Indian populations, the numbers may not be reported at all due to privacy protections or sampling variability in the survey.
- Since the ACS is based on a sample, the numbers are estimates, not exact counts. That means they may slightly differ from other sources like the decennial U.S. Census.
- City that don’t have any reported Indian population are not included in the ranking but are listed separately below for reference.
This ranking is meant to provide a clear, data-driven look at where Indian populations are most concentrated while keeping the numbers easy to understand.
Sources
- U.S. Census Bureau American Community Survey (ACS) 2019-2023 5-Year Estimates.
- U.S. Census Bureau TIGER/Line Shapefiles 2023.
