Foster County, ND Demographics

The total population of Foster County is estimated to be 3,388 with 1,712 males (50.53%) and 1,676 females (49.47%). There are 36 less females than males in Foster County.
The median household income in Foster County was $77,015 in 2021, which marked an an increase of 7,610(10.96%) from $69,405 in 2020. This income is 103.23% of the U.S. median household income of $74,606 (all incomes in 2022 inflation-adjusted dollars).
Per the latest American Community Survey by the Census Bureau, Foster County sees its highest median household income among householders in the age group of 25 to 44 years old, at $114,396. Overall, the median household income for the county of Foster County stands at $77,015.
In Foster County, the median income for all workers aged 15 years and older, regardless of work hours, was $54,074 for males and $31,293 for females. However, when specifically considering full-time, year-round workers within the same age group, the median income was $68,415 for males and $44,478 for females.
In Foster County, population is primarily represented by White households, reporting a median income of $77,859.
In 2022, the population of Foster County was 3,378, a 0.48% increase year-by-year from 2021. Previously, in 2021, Foster County's population was 3,362, a decline of 0.77% compared to a population of 3,388 in 2020.
The median age in Foster County, ND is 44.2, as per 2021 ACS 5-Year Estimates. Of the total population, 18.88% were under the age of 15, 16.11% aged 15 to 29, 42.46% aged 30 to 64, 17.67% aged 65 to 84, and 4.89% were 85 years of age and older.
Racial distribution of Foster County population: 95.38% are White, 0.27% are Black or African American, 0.62% are American Indian and Alaska Native, 0.06% are Asian, 0.50% are Native Hawaiian and other Pacific Islander and 3.18% are multiracial.