Muskego Population

1940–2026

25,745

2026 projection

2.8% since 2020 (increase)

05K10K15K20K25K30K19401960198020002020

Source: U.S. Census Bureau decennial counts and annual estimates, including 2010–2020 intercensal estimates. 2026 is a projection. Values between recorded years are interpolated.

Use the left and right arrow keys to inspect population observations.

Population by year

Population estimates for Muskego. Annual change is shown as a percentage. Growth is the total change since the preceding observation.
202625,745+1430.56%
202525,602-760.30%
202425,678+1270.50%
202325,551+1460.57%
202225,405+2430.97%
202125,162+1300.52%
202025,032+1170.47%
201924,915+410.16%
201824,874+500.20%
201724,824+1070.43%

Showing 10 of 23 years.

The 2020 row compares the April 1 Census count with the July 1, 2019 estimate (about nine months). Its Growth and Annual change therefore do not represent a full year.

Growth since 2020, compared

Muskego is growing faster than Wisconsin, and slower than Waukesha County and the U.S.

  • United States+3.1%
  • Waukesha County+2.4%
  • Muskego+2.0%
  • Wisconsin+1.3%

Change from July 1, 2020 to July 1, 2025 population estimates—not annualized growth or site projections.

Source: U.S. Census Bureau. U.S. totals are summed from the 50 states and D.C.; unavailable comparisons are omitted.

Muskego Demographics

46.3median age

Median age

Female47.6 yrs
Male43.3 yrs

Adults

20,307
5,269 seniors (65+) · 26% of adults15,038 other adults

Sex

Female 48.1% · 12,218Male 51.9% · 13,188

Population by age

MaleFemale85+ years, male: 26985+ years, female: 37180–84 years, male: 34880–84 years, female: 31175–79 years, male: 33975–79 years, female: 50270–74 years, male: 80470–74 years, female: 72465–69 years, male: 87965–69 years, female: 72260–64 years, male: 1,08660–64 years, female: 1,09955–59 years, male: 96155–59 years, female: 92650–54 years, male: 83650–54 years, female: 1,02645–49 years, male: 93845–49 years, female: 92340–44 years, male: 94740–44 years, female: 1,00635–39 years, male: 77935–39 years, female: 72830–34 years, male: 34430–34 years, female: 48225–29 years, male: 32225–29 years, female: 39820–24 years, male: 95920–24 years, female: 50115–19 years, male: 1,17615–19 years, female: 81710–14 years, male: 1,02410–14 years, female: 7275–9 years, male: 7325–9 years, female: 5300–4 years, male: 4450–4 years, female: 42585+80–8475–7970–7465–6960–6455–5950–5445–4940–4435–3930–3425–2920–2415–1910–145–90–45005001K1K

Hover or tap an age group to see exact counts. Use the up and down arrow keys to inspect age groups.

U.S. Census Bureau, 2024 ACS 5-year estimates · Table S0101

Race and ethnicity

Tap a square or a group below to highlight it.

Each square is about 1% of residents (roughly 254 people).

Hispanic or Latino residents can be of any race. All other groups exclude Hispanic residents.

U.S. Census Bureau, 2024 ACS 5-year estimates · Table B03002

Muskego Income

$112,221median household income

Median household income

$112,221

Half of households earn more, half earn less

Median earnings

$72,323

Typical yearly pay for a worker 25 or older.

Poverty rate

3%

About 1 in 33 residents

U.S. Census Bureau, 2024 ACS 5-year estimates · Tables S1901, S1501, S1701

Muskego Marital Status

61% of residents age 15 and older are married.

MarriedNever married
Overall
Male
Female
Marital status of residents age 15 and older
StatusOverallMaleFemale
Married61%62%60%
Never married24%27%20%
Divorced9%8%11%
Widowed6%2%10%
Separated<1%<1%0%

U.S. Census Bureau, 2024 ACS 5-year estimates · Table S1201