Overview
3,396
Total Population
44.2
Median age
49.85%
Female population %
100.6:100
Gender ratio (M:F)
55-59 years
Largest age group
70.7
Total dependency ratio
White
Largest racial group
18
Hispanic population
Sources: U.S. Census Bureau, American Community Survey (ACS) 2021
TABLE OF CONTENTS
Age
Foster County's population is old compared to the rest of the country:
- The median age in Foster County is 44.2, compared to 38.8 nationwide, according to the American Community Survey 2017 - 2021 5 Year estimates.
- Foster County's population under 18 was 22.76%, compared to the 22.51% nationwide.
- Foster County's elderly or the senior population (over 65 age) was 22.56% as compared to 16.04% nationwide.
- Of the total population in Foster County, 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.
![Foster County, ND population by age group The graph shows Foster County's population by age group, with age group on x-axis and the respective age group's percent of the total population on y-axis](https://i.neilsberg.com/ch/foster-county-nd-population-by-age-group.jpeg)
Read more about Foster County, ND population by age ➔
Gender
There are 10 less females than males in Foster County:
- The female percentage in the USA is 50.50% while the male percentage is 49.50%, compared to 49.85% females and 50.15% males in Foster County, ND.
- The Foster County, ND gender ratio is 100.6:100 i.e. 100.6 men to 100 women (1.006).
- For male population, the largest age group is 60-64 years with a population of 171.
- For the female population, the largest age group is 55-59 years with a population of 156.
![Foster County, ND population by gender and age The grouped bar chart shows Foster County, ND population by age and gender across 18 age groups, defined between the age of 0 and 85 and above. The female population is shown in pink color bar and male population is shown in blue color bar. Age group is plotted on x axis and population on y axis.](https://i.neilsberg.com/ch/foster-county-nd-population-by-gender-and-age.jpeg)
Read more about Foster County, ND population by gender ➔
Race / Ethnicity
Foster County's population has become increasingly diverse:
- 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.
- Foster County's racial breakdown clearly shows that there is an absolute majority of White population in the county.
- By ethnicity, 18 is Hispanic or Latino (of any race), and 3,378 (99.47% of the total population) is Non-Hispanic.
- The largest racial group in Foster County is White with a population of 3,239 (95.38% of the total population).
![Foster County, ND population by race The bar chart shows Foster County, ND population by race, in percentage. The numbers shown are based on the American Community Survey respondents self identified race. The Hispanic and Latino population is spread across the races identified and not as a separate race category.](https://i.neilsberg.com/ch/foster-county-nd-population-by-race.jpeg)
Read more about Foster County, ND population by race ➔
Year by year
Foster County's population has already reached its peak and is showing a trend of decline:
- The peak population was 3,731 in the year 2000
- From 2000 to 2010, Foster County's population decreased by 388 (10.40%), as compared to the national growth of 9.63%.
- From 2010 to 2020, Foster County's population increased by 45 (1.35%), according to Census Bureau's Population Estimates Program. For the same period, the rate of growth for the United States was 7.17%.
- Between the year 2000 and 2022, Foster County's population was lowest in year 2018 at 3,212.
![Foster County, ND population from 2000 to 2022 The graph shows Foster County's population from 2000 to 2022, with years on x-axis and population on y-axis](https://i.neilsberg.com/ch/population-of-foster-county-nd-population-by-year-2000-2022.jpeg)
Read more about Foster County, ND population by year ➔
References
- U.S. Census Bureau American Community Survey (ACS) 2017-2021 5-Year Estimates
- U.S. Census Bureau Population Estimates Population Estimates Program (PEP)