Bismarck Population

2010–2026

1,221

2026 projection

1.5% since 2020 (decrease)

05001K1.5K2K201020122014201620182020202220242026

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 Bismarck. Annual change is shown as a percentage. Growth is the total change since the preceding observation.
20261,221-30.25%
20251,224+10.08%
20241,223-110.89%
20231,234-50.40%
20221,239-20.16%
20211,241+20.16%
20201,239-141.12%
20191,253-201.57%
20181,273-352.68%
20171,308-292.17%

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

Bismarck has a population change lower than St. Francois County, Missouri, and the U.S.

  • United States+3.1%
  • St. Francois County+2.1%
  • Missouri+1.9%
  • Bismarck−0.7%

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.

Bismarck Demographics

34median age

Median age

Female34.7 yrs
Male33.8 yrs

Adults

1,010
205 seniors (65+) · 20% of adults805 other adults

Sex

Female 59% · 890Male 41% · 618

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 15 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

Bismarck Income

$40,250median household income

Median household income

$40,250

Half of households earn more, half earn less

Median earnings

$31,935

Typical yearly pay for a worker 25 or older.

Poverty rate

20.3%

About 1 in 5 residents

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

Bismarck Marital Status

38% of residents age 15 and older are married.

MarriedNever married
Overall
Male
Female
Marital status of residents age 15 and older
StatusOverallMaleFemale
Married38%46%33%
Never married33%37%31%
Divorced13%10%15%
Widowed14%7%19%
Separated2%0%3%

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