Miller County Population

1840–2026

25,951

2026 projection

4.8% since 2020 (increase)

05K10K15K20K25K30K1840186018801900192019401960198020002020

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 Miller County. Annual change is shown as a percentage. Growth is the total change since the preceding observation.
202625,951+1340.52%
202525,817+1340.52%
202425,683+1230.48%
202325,560+1870.74%
202225,373+4281.72%
202124,945+1730.70%
202024,772-8353.26%
201925,607+3381.34%
201825,269+700.28%
201725,199+2180.87%

Showing 10 of 33 years.

Miller County Demographics

41.3median age

Median age

Female42.5 yrs
Male40.4 yrs

Adults

19,400
5,072 seniors (65+) · 26% of adults14,328 other adults

Sex

Female 49.9% · 12,614Male 50.1% · 12,655

Population by age

MaleFemale85+ years, male: 29585+ years, female: 32480–84 years, male: 23680–84 years, female: 28075–79 years, male: 39375–79 years, female: 52670–74 years, male: 59670–74 years, female: 67265–69 years, male: 84465–69 years, female: 90660–64 years, male: 1,07860–64 years, female: 1,10055–59 years, male: 67255–59 years, female: 68550–54 years, male: 80050–54 years, female: 72345–49 years, male: 76145–49 years, female: 72440–44 years, male: 70840–44 years, female: 64035–39 years, male: 82035–39 years, female: 82930–34 years, male: 72930–34 years, female: 78025–29 years, male: 69325–29 years, female: 70620–24 years, male: 70020–24 years, female: 59915–19 years, male: 89815–19 years, female: 83310–14 years, male: 94210–14 years, female: 8455–9 years, male: 6995–9 years, female: 7310–4 years, male: 7910–4 years, female: 71185+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 253 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

Miller County Income

$56,736median household income

Median household income

$56,736

Half of households earn more, half earn less

Median earnings

$41,734

Typical yearly pay for a worker 25 or older.

Poverty rate

14.4%

About 1 in 7 residents

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

Miller County Marital Status

49% of residents age 15 and older are married.

MarriedNever married
Overall
Male
Female
Marital status of residents age 15 and older
StatusOverallMaleFemale
Married49%48%50%
Never married28%33%23%
Divorced14%14%14%
Widowed7%3%11%
Separated2%2%2%

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

Sources

8 sources, all from the U.S. Census Bureau

Population

American Community Survey, 2024 5-year