Green Lake County, Wisconsin Demographics
Population trends, housing costs, income, commuting, and health, all on one page.
Green Lake County, WI Population Density Map and Area Scores
Area Score
Health, income and education, each graded from F to A+. Explore interactive maps for deeper analysis.
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B
Health Around averageLess healthy than 89% of counties in Wisconsin
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C
Income Below average
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D
Education Well below averageLess educated than 73% of counties in Wisconsin
Source: Map AI Methodology
Population: density and quick facts
| Metric | Green Lake County | Wisconsin Avg | U.S. Average |
|---|---|---|---|
| Population | 19,263 | 5,910,864 | 337,468,954 |
| Population density (per sq mi) | 50.7 | 90.2 | 86.4 |
| Population growth (%/yr) | 0.25% | 0.34% | 0.59% |
| Median age | 46.0 | 40.4 | 37.3 |
| Households | 8,285 | 2,477,189 | 130,235,071 |
Population in Green Lake County grew by 3.3% from 2009 to 2024, reaching 19,263 in 2024.
Population Growth 2009–2024
Race & Ethnicity
Age & Sex
The largest generation in Green Lake County is Boomers, aged 61–79, at 23.4% of residents. That is 5.6 points above Wisconsin as a whole.
- Gen Z 13–28 3,419 17.7% -3.6 pts
- Millennials 29–44 3,217 16.7% -4.1 pts
- Gen X 45–60 4,075 21.2% +0.4 pts
- Boomers 61–79 4,515 23.4% +5.6 pts
Residents by birth cohort, from the 2025 age distribution. The right-hand figure is how far each cohort's share sits above or below Wisconsin, in percentage points. Children younger than Gen Z and the generations before the Boomers are counted in the population but not shown here, so these shares do not add up to 100%.
Male and female share
Women are 50.1% of the people living in Green Lake County and men 49.9%.
- Women 50.1% Wisconsin 50.0%
- Men 49.9% Wisconsin 50.0%
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Residents matching this profile
100% of everyone living in Green Lake County
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Economy
Green Lake County has a the economy index of C, which means it is somewhat prosperous.
| Metric | Green Lake County | Wisconsin Avg | U.S. Average |
|---|---|---|---|
| Median household income | $70,426 | $77,698 | $80,455 |
| Income growth (%/yr) | 5.11% | 4.41% | 4.80% |
| Unemployment rate | 2.8% | 3.2% | 5.2% |
The median household income in Green Lake County is about 9% lower than in Wisconsin.
Housing
| Metric | Green Lake County | Wisconsin Avg | U.S. Average |
|---|---|---|---|
| Median home price | $194,852 | $170,479 | $248,835 |
| Median rent | $818 | $1,087 | $1,407 |
| Homeownership rate | 74.5% | 67.8% | 65.2% |
The median home price in Green Lake County is about 19.8 years' worth of rent — buying at the median price costs roughly as much as paying the median rent of $818 per month for that long.
Commute Time & Mobility
Commuters in Green Lake County spend about 44 minutes on the road round trip each working day. Over a typical 250-day work year, that adds up to roughly 182 hours, about 7.6 full days, spent commuting.
| Metric | Green Lake County | Wisconsin Avg | U.S. Average |
|---|---|---|---|
| One-way commute (min) | 21.9 | 18.8 | 22.4 |
| Round-trip commute (min) | 43.8 | 37.5 | 44.8 |
| Yearly time spent (hours) | 182 | 156 | 187 |
| Estimated yearly cost | $5,654 | $4,846 | $5,790 |
| Work from home | 11.0% | 13.1% | 15.0% |
| Highway traffic (vehicles/day) | 4,569 | 6,703 | 8,813 |
| Local road traffic (vehicles/day) | 445 | 811 | 1,355 |
Fastest commutes among counties in
Wisconsin:
Ashland County (12.8 min), Door County (13.6 min), Eau Claire County (15.3 min).
Slowest:
Oconto County (26.4 min), St. Croix County (25.3 min), Waushara County (23.9 min).
The average commute time in Green Lake County is 22 minutes, longer than the 19 minutes in Wisconsin.
Estimated yearly cost applies a single national wage rule of thumb (U.S. Bureau of Labor Statistics average hourly earnings), not a measurement of wages in this area. Traffic volume figures come from proprietary Ticon and TrafficZoom data.
Education & Households
Green Lake County has a education index of D, which means it is barely educated.
| Metric | Green Lake County | Wisconsin Avg | U.S. Average |
|---|---|---|---|
| Bachelor's degree or higher | 20.8% | 29.7% | 31.6% |
| Average household size | 2.29 | 2.33 | 2.53 |
Highest education index among counties in
Wisconsin:
Dane County (0.4), Ozaukee County (0.4), Waukesha County (0.4).
Lowest:
Clark County (0.2), Adams County (0.2), Juneau County (0.2).
Health
Green Lake County has a health index of B, which means it is quite healthy.
| Metric | Green Lake County | Wisconsin Avg | U.S. Average |
|---|---|---|---|
| Life expectancy (years) | 78.7 | 79.6 | 78.3 |
| Self-rated poor health | 14.6% | 13.2% | 16.3% |
| Smokers | 18.9% | 18.5% | 19.0% |
Highest health index among counties in
Wisconsin:
Dane County (0.8), Waukesha County (0.8), Ozaukee County (0.8).
Lowest:
Menominee County (0.8), Clark County (0.8), Forest County (0.8).
Green Lake County, WI Compared With Nearby Counties
Green Lake County, WI is the smallest of the 5 counties compared here, 19,263 residents against a local median of 73,490. Green Lake County, WI sits close to the middle of its own neighbourhood. No measure below is more than 15% off the local median, so the choice between these counties turns on things this data does not capture.
The largest of those small differences is median household income, 7% below the local median at $70,426 against $75,377. Green Lake County, WI has the 4th highest median household income of the 5 areas compared here.
| Area | Population | Median household income | Median home price | Commute |
|---|---|---|---|---|
| Green Lake County, WI | 19,263 | $70,426 #4/5 | $194,852 #3/5 | 21.9 min #3/5 |
| Waushara County, WI | 24,869 | $67,446 | $428,952 | 23.9 min |
| Columbia County, WI | 58,269 | $85,141 | $166,656 | 23.5 min |
| Winnebago County, WI | 171,769 | $74,932 | $97,315 | 16.7 min |
| Dodge County, WI | 88,711 | $75,822 | $216,125 | 20.9 min |
Frequently Asked Questions
Common questions about Green Lake County, Wisconsin.
How big is Green Lake County, Wisconsin by population?
About 19,263 people live in Green Lake County, Wisconsin, in 8,285 households of 2.3 people on average. The median age is 46.0, so residents are older than the U.S. median of 37.3 by about 9 years.
Is Green Lake County, Wisconsin urban or rural?
Averaged over its land area, Green Lake County, Wisconsin has 51 people per square mile, a density typical of rural areas. That is about 59% of the U.S. average of 86.
How affordable is housing in Green Lake County, Wisconsin?
The median home costs 2.8 times the median household income ($194,852 against $70,426), compared with 3.1 times nationally. That is within the traditional rule of thumb of about 3 times income. Median rent of $818 a month takes about 14% of the median household's income, below the 30% level at which HUD considers renters cost-burdened.
Is it hard to find a job in Green Lake County, Wisconsin?
Unemployment in Green Lake County, Wisconsin is only 2.8%, well below the U.S. rate of 5.2%, a sign of a tight labor market where employers compete for workers.
How educated are people in Green Lake County, Wisconsin?
20.8% of adults in Green Lake County, Wisconsin hold a bachelor's degree or higher (about 1 in 5), well below the U.S. share of 31.6%.
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