Barnes County Population

1880–2026

10,473

2026 projection

3.6% since 2020 (decrease)

05K10K15K20K18801900192019401960198020002020

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 Barnes County. Annual change is shown as a percentage. Growth is the total change since the preceding observation.
202610,473-1000.95%
202510,573-1000.94%
202410,673-570.53%
202310,730-110.10%
202210,741+100.09%
202110,731-1321.22%
202010,863+4494.31%
201910,414-1261.20%
201810,540-1541.44%
201710,694-2161.98%

Showing 10 of 29 years.

Barnes County Demographics

43.5median age

Median age

Female44.2 yrs
Male42.8 yrs

Adults

8,647
2,517 seniors (65+) · 29% of adults6,130 other adults

Sex

Female 49.1% · 5,292Male 50.9% · 5,481

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 108 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

Barnes County Income

$68,038median household income

Median household income

$68,038

Half of households earn more, half earn less

Median earnings

$50,474

Typical yearly pay for a worker 25 or older.

Poverty rate

12.1%

About 1 in 8 residents

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

Barnes County Marital Status

50% of residents age 15 and older are married.

MarriedNever married
Overall
Male
Female
Marital status of residents age 15 and older
StatusOverallMaleFemale
Married50%47%53%
Never married29%38%18%
Divorced12%11%12%
Widowed9%4%14%
Separated<1%<1%2%

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