Mills Population

1930–2026

4,720

2026 projection

17% since 2020 (increase)

01K2K3K4K5K19401960198020002020

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 Mills. Annual change is shown as a percentage. Growth is the total change since the preceding observation.
20264,720+861.86%
20254,634+631.38%
20244,571+611.35%
20234,510+892.01%
20224,421+1794.22%
20214,242+2085.16%
20204,034+641.61%
20193,970+461.17%
20183,924+150.38%
20173,909+60.15%

Showing 10 of 25 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

Mills is growing faster than Natrona County, Wyoming, and the U.S.

  • Mills+9.6%
  • United States+3.1%
  • Wyoming+1.9%
  • Natrona County+0.3%

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.

Mills Demographics

36.5median age

Median age

Female35.8 yrs
Male36.9 yrs

Adults

3,164
564 seniors (65+) · 18% of adults2,600 other adults

Sex

Female 53.1% · 2,332Male 46.9% · 2,058

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 44 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

Mills Income

$50,656median household income

Median household income

$50,656

Half of households earn more, half earn less

Median earnings

$39,510

Typical yearly pay for a worker 25 or older.

Poverty rate

15%

About 1 in 7 residents

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

Mills Marital Status

46% of residents age 15 and older are married.

MarriedNever married
Overall
Male
Female
Marital status of residents age 15 and older
StatusOverallMaleFemale
Married46%49%44%
Never married29%28%29%
Divorced13%13%13%
Widowed6%7%6%
Separated6%4%7%

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