Overview
7,003
Total Population
37.5
Median age
49.19%
Female population %
103.3:100
Gender ratio (M:F)
10-14 years
Largest age group
63.5
Total dependency ratio
White
Largest racial group
47
Hispanic population
Sources: U.S. Census Bureau, American Community Survey (ACS) 2021
TABLE OF CONTENTS
Age
Caribou County's population is young compared to the rest of the country:
- The median age in Caribou County is 37.5, compared to 38.8 nationwide, according to the American Community Survey 2017 - 2021 5 Year estimates.
- Caribou County's population under 18 was 28.47%, compared to the 22.51% nationwide.
- Caribou County's elderly or the senior population (over 65 age) was 16.65% as compared to 16.04% nationwide.
- Of the total population in Caribou County, 22.18% were under the age of 15, 18.46% aged 15 to 29, 42.71% aged 30 to 64, 15.19% aged 65 to 84, and 1.46% were 85 years of age and older.

Read more about Caribou County, ID population by age ➔
Gender
There are 113 less females than males in Caribou County:
- The female percentage in the USA is 50.50% while the male percentage is 49.50%, compared to 49.19% females and 50.81% males in Caribou County, ID.
- The Caribou County, ID gender ratio is 103.3:100 i.e. 103.3 men to 100 women (1.033).
- For male population, the largest age group is 15-19 years with a population of 291.
- For the female population, the largest age group is 10-14 years with a population of 338.

Read more about Caribou County, ID population by gender ➔
Race / Ethnicity
Caribou County's population has become increasingly diverse:
- Racial distribution of Caribou County population: 94.03% are White, 0.23% are American Indian and Alaska Native, 0.26% are Asian, 2.97% are some other race and 2.51% are multiracial.
- Caribou County's racial breakdown clearly shows that there is an absolute majority of White population in the county.
- By ethnicity, 47 is Hispanic or Latino (of any race), and 6,533 (93.29% of the total population) is Non-Hispanic.
- The largest racial group in Caribou County is White with a population of 6,585 (94.03% of the total population).

Read more about Caribou County, ID population by race ➔
Year by year
Caribou County's population has already reached its peak and is showing a trend of decline:
- The peak population was 7,306 in the year 2001
- From 2000 to 2010, Caribou County's population decreased by 286 (3.94%), as compared to the national growth of 9.63%.
- From 2010 to 2020, Caribou County's population increased by 41 (0.59%), 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, Caribou County's population was lowest in year 2015 at 6,732.

Read more about Caribou County, ID 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)