Greenfield, Wisconsin Demographics & Population 2026
During the 2020–2024 ACS period, Greenfield, Wisconsin had a total population of 37,345, the 21st largest city in Wisconsin, with a median household income of $70,459, which is 9% lower than the state average. The poverty rate is 8.6%.
Data vintage: U.S. Census Bureau ACS 2020–2024 5-Year Estimates · refreshed July 2026 · Methodology & source notes
Key Takeaways
- Near full employment with an unemployment rate of just 2.5%.
Greenfield Quick Facts
How Greenfield Changed
Change from the 2019–2023 ACS period to 2020–2024. These are rolling five-year estimates, not year-over-year measurements.
| Metric | 2019–2023 | 2020–2024 | Change |
|---|---|---|---|
| Population | 37,361 | 37,345 | -0.0% |
| Median household income | $69,016 | $70,459 | +2.1% |
| Median home value | $247,800 | $261,100 | +5.4% |
How Greenfield Compares
Median Household Income
Median Home Value
Economy & Housing
Household Income Distribution
Detailed income brackets
Employment
Housing Overview
People & Demographics
Age Distribution
Race & Ethnicity
Diversity Index
Moderate diversity with one or two groups making up the majority.
State average: 37 | National average: 61
Education
Educational Attainment (Adults 25+)
Greenfield Rankings in Wisconsin
Explore Wisconsin Rankings
Other Cities in Milwaukee County
| City | Population | Median Income | Poverty | Home Value |
|---|---|---|---|---|
| Milwaukee | 566,973 | $54,234 | 22.8% | $184,000 |
| West Allis | 59,612 | $67,611 | 11.5% | $203,800 |
| Wauwatosa | 48,529 | $101,138 | 5.8% | $339,000 |
| Oak Creek | 37,325 | $96,555 | 4.9% | $331,700 |
| Franklin | 35,886 | $106,894 | 6.7% | $364,200 |
| South Milwaukee | 20,442 | $73,427 | 13.1% | $235,700 |
| Cudahy | 17,853 | $66,719 | 11.4% | $216,500 |
| Whitefish Bay | 14,665 | $157,109 | 3.7% | $533,800 |
| Greendale | 14,594 | $94,769 | 8.3% | $314,200 |
| Glendale | 13,656 | $78,092 | 10.1% | $282,800 |
Cities Similar to Greenfield
These cities in the same state have comparable population and economic profiles.
| City | Population | Median Income | Home Value | Bachelor's+ | Poverty |
|---|---|---|---|---|---|
| Beloit | 36,534 | $62,663 | $156,500 | 17.9% | 15.0% |
| Wausau | 39,996 | $64,389 | $167,900 | 30.9% | 14.6% |
| Manitowoc | 34,620 | $63,757 | $160,700 | 24.6% | 12.6% |
| Sun Prairie | 37,570 | $90,942 | $365,700 | 50.9% | 6.2% |
| Oak Creek | 37,325 | $96,555 | $331,700 | 39.4% | 4.9% |
Population Overview
Greenfield is a mid-sized community located in Wisconsin, within Milwaukee County. The total population is 37,345. It ranks as the 21st most populous out of 808 Census-designated places in Wisconsin.
Age Demographics
The median age in Greenfield is 42.0 years. This is 4% higher than the state median of 40.2 years.
Economy, Income & Housing
The median household income in Greenfield is $70,459. This is 9% lower than the state median of $77,485. It is also 13% lower than the national median of $80,734. The poverty rate stands at 8.6%. This is 19% lower than the state poverty rate of 10.5%. The unemployment rate is 2.5%. This is 24% lower than the state rate of 3.3%. The median home value is $261,100. Housing costs are 2% lower than the state median of $266,500. The home-value-to-income ratio is 3.7x. 54.8% of occupied housing units are owner-occupied. This homeownership rate is 19% lower than the state average of 67.8%.
Race & Ethnicity
The largest racial or ethnic group in Greenfield is White (non-Hispanic), making up 67.4% of the population. Hispanic or Latino residents account for 16.6%. The Hispanic or Latino population is significantly higher than the state average (16.6% vs 8.0%). The Asian population is significantly higher than the state average (7.2% vs 2.9%).
Education
33.5% of residents aged 25 and older hold a bachelor's degree or higher. This is about the same as the state rate of 33.4%. Nationally, 35.7% of adults hold at least a bachelor's degree. The high school graduation rate (or equivalent) is 94.2%.
Data Sources & Methodology
All demographic data for Greenfield, Wisconsin is sourced from the U.S. Census Bureau's American Community Survey (ACS) 2020–2024 5-Year Estimates. The ACS collects data from approximately 3.5 million households annually and pools five years of responses so that even small communities can be measured, though the margin of error widens as the population falls. Comparisons are made against Wisconsin state averages and national averages calculated from the same dataset. Rankings reflect the city's position among all 808 Census-designated places in Wisconsin. Read more about how these figures are produced on our methodology page, or visit data.census.gov for official data.
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Frequently Asked Questions
What is the population of Greenfield, Wisconsin?
Greenfield, Wisconsin has a population of 37,345 according to the most recent U.S. Census ACS 5-Year Estimates.
What is the median household income in Greenfield, WI?
The median household income in Greenfield is $70,459, which is 13% lower than the national median of $80,734.
What is the poverty rate in Greenfield, WI?
The poverty rate in Greenfield is 8.6%. This means approximately 3,150 residents live below the federal poverty line.
What is the racial makeup of Greenfield, Wisconsin?
Greenfield's population is 67.4% White, 4.1% Black, 16.6% Hispanic/Latino, and 7.2% Asian.
What is the median home value in Greenfield, WI?
The median home value in Greenfield is $261,100. The home-value-to-income ratio is 3.7x.
How educated is Greenfield, Wisconsin?
33.5% of adults (25+) in Greenfield hold a bachelor's degree or higher, and 10.8% hold a graduate or professional degree.