City · Wisconsin
Cudahy, Wisconsin
Cudahy, city, in Milwaukee County, Wisconsin. Cudahy had 17,655 residents on July 1, 2025 by the Census Bureau's estimate, down 3.0% since 2020; the 2020 Census counted 18,204 and the ACS 2020-2024 5-year estimates put it at 17,853 (±58). GEOID 5517975.
Residents, July 2025 estimate
17,655
Census Bureau estimate (no margin published)
2020 Census count: 18,204 · ACS 2020-2024: 17,853 ±58
Median household income
$66,719
±$5,921 (90% margin)
Wisconsin: $77,485
Median home value
$216,500
±$8,473 (90% margin)
Wisconsin: $266,500
Median gross rent
$1,028
±$54 (90% margin)
Wisconsin: $1,087
Where is Cudahy and what county is it in?
Cudahy is a city in Milwaukee County, Wisconsin. It covers 4.8 square miles of land, 3,813 residents per square mile in 2020.
Cudahy is in the Milwaukee-Waukesha, WI metropolitan statistical area, which takes in 4 counties (Census Bureau delineation, July 2023).
Source: 2024 Gazetteer and 2020 place-by-county files, U.S. Census Bureau · Census reference files
How many people live in Cudahy, and is it growing?
The Census Bureau estimates that 17,655 people lived in Cudahy on July 1, 2025, down 3.0% since 2020, while Wisconsin grew 1.3%. The 2020 Census counted 18,204 residents. The 2020-2024 American Community Survey, a five-year sample, puts the population at 17,853 (±58).
| Measure | Cudahy | Milwaukee County | Change since 2015-2019 |
|---|---|---|---|
| Total population | 17,853 ±58 | 926,331 | −418 |
| Households | 8,475 ±383 | 392,399 | +793 |
| Average household size | 2.10 ±0.09 | 2.31 | −0.27 |
| Housing units | 8,834 ±413 | 426,715 | no clear change |
Cudahy's population since 2000
From 18,429 in 2000 to 17,655 in 2025: down 4.2%. The 2000, 2010 and 2020 figures are census counts, each for Cudahy as it was drawn that year: a place that annexed land, or a community that has since incorporated, covered a different area then. The 2005 figure is the Census Bureau's intercensal estimate, revised to fit the 2000 and 2010 counts and drawn on 2010 boundaries; 2015 and 2025 are July 1 estimates made from the census before them.
Source: The 2000, 2010 and 2020 Census counts and the Census Bureau's population estimates (intercensal 2000-2010, Vintage 2020, Vintage 2025) · Census population estimates
Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026); Census PEP Vintage 2025 (SUB-EST2025, CO-EST2025); 2020 Census P.L. 94-171 · Check it at data.census.gov
Who lives in Cudahy?
The median resident of Cudahy is 42.3 years old; 18.6% are under 18 and 20.7% are 65 or older. The largest group is non-Hispanic white residents at 77.9%, then Hispanic or Latino residents (of any race) at 11.4%. 6.9% of residents were born outside the United States.
| Measure | Cudahy | Milwaukee County | Change since 2015-2019 |
|---|---|---|---|
| Median age | 42.3 ±1.9 | 35.5 | no clear change |
| Under 18 years | 18.6% ±2.5 pts | 23.7% | – |
| 65 years and over | 20.7% ±3.0 pts | 14.7% | – |
| Male | 49.0% ±2.6 pts | 48.6% | – |
| Hispanic or Latino (any race) | 11.4% ±2.6 pts | 17.0% | no clear change |
| White alone, not Hispanic | 77.9% ±3.4 pts | 48.1% | no clear change |
| Black or African American alone, not Hispanic | 2.8% ±1.3 pts | 25.4% | no clear change |
| Asian alone, not Hispanic | 2.0% ±1.7 pts | 4.8% | – |
| American Indian and Alaska Native alone, not Hispanic | 0.0% ±0.1 pts | 0.3% | – |
| Native Hawaiian and Other Pacific Islander alone, not Hispanic | 0.1% ±0.1 pts | 0.0% | – |
| Two or more races, not Hispanic | 5.2% ±2.0 pts | 4.1% | – |
| Some other race alone, not Hispanic | 0.6% ±0.7 pts | 0.3% | – |
| Born outside the United States | 6.9% ±2.1 pts | 9.9% | no clear change |
| Speak a language other than English at home (age 5+) | 12.0% ±2.5 pts | 18.6% | – |
| Civilian veterans (age 18+) | 6.9% ±1.7 pts | 4.3% | – |
| With a disability | 15.8% ±2.3 pts | 12.9% | – |
| No health insurance coverage | 3.5% ±1.3 pts | 7.2% | no clear change |
| High school graduate or higher (age 25+) | 93.6% ±2.0 pts | 89.5% | – |
| Bachelor's degree or higher (age 25+) | 29.1% ±3.8 pts | 34.7% | +7.3 pts |
| Graduate or professional degree (age 25+) | 7.4% ±1.6 pts | 12.6% | – |
| Lived in the same house a year earlier | 89.6% ±3.1 pts | 87.0% | – |
| Moved from another state in the past year | 0.5% ±0.3 pts | 1.8% | – |
Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) (Data Profiles DP02, DP05) · Check it at data.census.gov
What do households in Cudahy earn?
Half of Cudahy's 8,475 households earn less than $66,719 a year (±$5,921), against $64,435 in Milwaukee County and $77,485 in Wisconsin. In 2015-2019 it was $69,897 in 2024 dollars; the margins of error cannot tell the two periods apart. 11.4% of residents live below the poverty line.
| Measure | Cudahy | Milwaukee County | Change since 2015-2019 |
|---|---|---|---|
| Median household income | $66,719 ±$5,921 | $64,435 | no clear change |
| Mean household income | $80,423 ±$6,180 | $88,840 | – |
| Per capita income | $38,037 ±$2,772 | $38,385 | no clear change |
| People below the poverty line | 11.4% ±3.5 pts | 17.2% | no clear change |
| Children under 18 below the poverty line | 15.0% ±9.2 pts | 23.7% | no clear change |
| Households receiving SNAP | 15.2% ±3.4 pts | 20.5% | – |
| Households with a computer | 96.0% ±1.8 pts | 94.6% | – |
| Households with a broadband subscription | 92.2% ±2.4 pts | 89.6% | – |
Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) (Data Profile DP03) · Check it at data.census.gov
What does housing cost in Cudahy?
Owners occupy 61.4% of Cudahy's occupied homes and renters 38.6%. The median owner-occupied home is valued at $216,500 by its owner (±$8,473). The median renter pays $1,028 a month including utilities, and 32.2% of renters pay 35% or more of their income on rent.
| Measure | Cudahy | Milwaukee County | Change since 2015-2019 |
|---|---|---|---|
| Median home value (owner-occupied) | $216,500 ±$8,473 | $230,700 | +$28,327 |
| Median gross rent | $1,028 ±$54 | $1,101 | no clear change |
| Renters paying 35% or more of income on rent | 32.2% ±7.5 pts | 40.1% | no clear change |
| Median monthly owner costs, with a mortgage | $1,494 ±$81 | $1,688 | – |
| Owner-occupied homes | 61.4% ±4.3 pts | 49.9% | no clear change |
| Renter-occupied homes | 38.6% ±4.3 pts | 50.1% | – |
| Housing units | 8,834 ±413 | 426,715 | no clear change |
| Homeowner vacancy rate | 0.2% ±0.3 pts | 0.7% | – |
| Rental vacancy rate | 1.5% ±2.5 pts | 6.1% | – |
| Single-family detached homes | 52.2% ±4.4 pts | 45.2% | – |
| Mobile homes | 1.4% ±0.9 pts | 0.5% | – |
| Built 2020 or later | 0.0% ±0.3 pts | 0.7% | – |
| Built 2010 to 2019 | 1.3% ±0.7 pts | 4.3% | – |
| Built 1939 or earlier | 22.4% ±4.0 pts | 27.8% | – |
| Households with no vehicle | 10.2% ±3.4 pts | 12.5% | – |
Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) (Data Profile DP04) · Check it at data.census.gov
How many new homes is Cudahy building?
Builders took permits for 1 new housing units in Cudahy in 2025 (1 in single-family houses), 0.1 per 1,000 residents against 4.3 across Wisconsin.
Counts of units in permits a local office issued; not every permitted unit is built. A year marked with months was reported for part of the year.
Source: Building Permits Survey, annual place files 2019-2025, U.S. Census Bureau · Census Building Permits Survey
How do people in Cudahy work and get to work?
74.1% of Cudahy's workers drive alone and 12.1% work from home. The average trip to work takes 23.3 minutes. The unemployment rate in 2020-2024 averaged 2.4%.
| Measure | Cudahy | Milwaukee County | Change since 2015-2019 |
|---|---|---|---|
| In the labor force (age 16+) | 64.1% ±4.5 pts | 65.1% | – |
| Unemployment rate | 2.4% ±1.3 pts | 4.8% | no clear change |
| Drove alone to work | 74.1% ±5.8 pts | 68.9% | – |
| Carpooled | 5.5% ±2.1 pts | 8.5% | – |
| Public transportation | 4.2% ±2.7 pts | 3.4% | – |
| Walked | 2.4% ±1.5 pts | 3.0% | – |
| Worked from home | 12.1% ±3.5 pts | 14.4% | +8.7 pts |
| Mean travel time to work | 23.3 min ±2.1 | 22.2 min | no clear change |
Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) (Data Profile DP03) · Check it at data.census.gov
What census tracts are in Cudahy?
5 census tracts lie mostly in Cudahy (2020 census blocks). Their median household incomes run from $55,639 (Tract 1804) to $73,758 (Tract 1805).
| Tract | Residents, 2020-2024 | Median household income |
|---|---|---|
| Tract 1802Milwaukee County | 4,382 | $65,953 |
| Tract 1805Milwaukee County | 4,132 | $73,758 |
| Tract 1803Milwaukee County | 3,686 | $58,005 |
| Tract 1801Milwaukee County | 2,910 | $71,100 |
| Tract 1804Milwaukee County | 2,743 | $55,639 |
Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026); 2020 block assignment files (tract share = share of the tract's census blocks in Cudahy) · Census block assignment files
How does Cudahy compare with other places in Wisconsin?
By the Census Bureau's July 2025 estimates, Cudahy is the 2,140th-most populous of the 19,476 U.S. incorporated places that have one and the 50th-most populous of 608 in Wisconsin.
Cudahy ranks 735th of 914 places in Wisconsin with 1,000 or more residents and a reliable estimate, by median household income.
| Measure | Rank | Of |
|---|---|---|
| Population, July 2025 estimate | 50th | 608 |
| Growth 2020-2025 (PEP) | 839th | 884 |
| Residents per square mile | 7th | 914 |
| Median household income | 735th | 914 |
| Per capita income | 658th | 911 |
| Median home value | 683rd | 913 |
| Median gross rent | 382nd | 825 |
| Poverty rate | 191st | 706 |
| Bachelor's degree or higher | 388th | 914 |
| Median age | 563rd | 914 |
| Owner-occupied share | 806th | 914 |
| Work from home | 389th | 827 |
| Travel time to work | 490th | 914 |
Cudahy's figures with every place in Wisconsin (CSV)
Every place in Wisconsin, sortable · Compare Cudahy with other places
Source: PlainCities ranks computed from the American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) and PEP Vintage 2025 · How ranks are computed
How reliable are the figures for Cudahy?
7 of the 57 figures for Cudahy on this page carry a coefficient of variation over 40% and are marked with a ring: they come from a small sample, so read them as rough.
The American Community Survey samples about one household in eight over five years, so every figure is an estimate with a 90% margin of error (shown under each value). A ring marks an estimate whose coefficient of variation is over 40%. A change is called only when the gap between the two periods is larger than their combined 90% margin (the square root of the sum of the two squared margins), the Census Bureau's test. How to read a margin of error.
Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026): margins of error as published · ACS technical documentation
How these figures are made: methodology and release checks · reading a margin of error · every state · corrections
Not on this page: crime, weather and schools for Cudahy are other agencies' records. Crime: the FBI's Crime Data Explorer · climate: NOAA's U.S. Climate Normals · schools: the National Center for Education Statistics' public schools in Cudahy.