Mills County Population

1890–2026

4,574

2026 projection

2.9% since 2020 (increase)

02K4K6K8K10K1900192019401960198020002020

Source: U.S. Census Bureau decennial counts and annual 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 County. Annual change is shown as a percentage. Growth is the total change since the preceding observation.
20264,574-60.13%
20254,580-60.13%
20244,586+400.88%
20234,546+491.09%
20224,497+90.20%
20214,488+410.92%
20204,447-4258.72%
20194,872+70.14%
20184,865-581.18%
20174,923+370.76%

Showing 10 of 28 years.

Mills County Demographics

47.9median age

Median age

Female49.1 yrs
Male46.6 yrs

Adults

3,581
1,168 seniors (65+) · 33% of adults2,413 other adults

Sex

Female 48.6% · 2,191Male 51.4% · 2,320

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 45 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 County Income

$67,620median household income

Median household income

$67,620

Half of households earn more, half earn less

Median earnings

$39,071

Typical yearly pay for a worker 25 or older.

Poverty rate

7.2%

About 1 in 14 residents

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

Mills County Marital Status

58% of residents age 15 and older are married.

MarriedNever married
Overall
Male
Female
Marital status of residents age 15 and older
StatusOverallMaleFemale
Married58%56%60%
Never married23%27%18%
Divorced11%13%9%
Widowed7%2%12%
Separated2%2%2%

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