Mill Creek Population

2010–2026

296

2026 projection

1% since 2020 (increase)

050100150200250300350201020122014201620182020202220242026

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 Mill Creek. Annual change is shown as a percentage. Growth is the total change since the preceding observation.
202629600.00%
2025296+31.02%
2024293+20.69%
2023291-31.02%
2022294+10.34%
202129300.00%
2020293-51.68%
2019298-10.33%
2018299-72.29%
2017306-20.65%

Showing 10 of 17 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

Mill Creek is growing slower than Johnston County, Oklahoma, and the U.S.

  • Oklahoma+4.0%
  • United States+3.1%
  • Johnston County+2.0%
  • Mill Creek+1.7%

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.

Mill Creek Demographics

46.1median age

Median age

Female57.3 yrs
Male31 yrs

Adults

219
58 seniors (65+) · 26% of adults161 other adults

Sex

Female 55.4% · 154Male 44.6% · 124

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 3 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

Mill Creek Income

$38,438median household income

Median household income

$38,438

Half of households earn more, half earn less

Median earnings

$39,583

Typical yearly pay for a worker 25 or older.

Poverty rate

13%

About 1 in 8 residents

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

Mill Creek Marital Status

43% of residents age 15 and older are married.

MarriedNever married
Overall
Male
Female
Marital status of residents age 15 and older
StatusOverallMaleFemale
Married43%37%47%
Never married26%39%17%
Divorced20%23%18%
Widowed10%1%17%
Separated<1%0%2%

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