Overview
39,464
Total Population
30.1
Median age
48.85%
Female population %
104.7:100
Gender ratio (M:F)
20-24 years
Largest age group
42.1
Total dependency ratio
White
Largest racial group
1,814
Hispanic population
Sources: U.S. Census Bureau, American Community Survey (ACS) 2021
TABLE OF CONTENTS
Age
Latah County's population is young compared to the rest of the country:
- The median age in Latah County is 30.1, compared to 38.8 nationwide, according to the American Community Survey 2017 - 2021 5 Year estimates.
- Latah County's population under 18 was 18.82%, compared to the 22.51% nationwide.
- Latah County's elderly or the senior population (over 65 age) was 13.89% as compared to 16.04% nationwide.
- Of the total population in Latah County, 15.75% were under the age of 15, 34.05% aged 15 to 29, 36.31% aged 30 to 64, 12.42% aged 65 to 84, and 1.47% were 85 years of age and older.

Read more about Latah County, ID population by age ➔
Gender
There are 906 less females than males in Latah County:
- The female percentage in the USA is 50.50% while the male percentage is 49.50%, compared to 48.85% females and 51.15% males in Latah County, ID.
- The Latah County, ID gender ratio is 104.7:100 i.e. 104.7 men to 100 women (1.047).
- For male population, the largest age group is 20-24 years with a population of 3,441.
- For the female population, the largest age group is 20-24 years with a population of 3,096.

Read more about Latah County, ID population by gender ➔
Race / Ethnicity
Latah County's population has become increasingly diverse:
- Racial distribution of Latah County population: 89.87% are White, 1.21% are Black or African American, 0.95% are American Indian and Alaska Native, 2.15% are Asian, 0.10% are Native Hawaiian and other Pacific Islander, 0.70% are some other race and 5.01% are multiracial.
- Latah County's racial breakdown clearly shows that there is an absolute majority of White population in the county.
- By ethnicity, 1,814 is Hispanic or Latino (of any race), and 37,65 (95.40% of the total population) is Non-Hispanic.
- The largest racial group in Latah County is White with a population of 35,466 (89.87% of the total population).

Read more about Latah County, ID population by race ➔
Year by year
Latah County's population has not reached its peak yet and is showing a trend of further growth:
- The peak population was 40,978 in the year 2022
- From 2000 to 2010, Latah County's population increased by 2,374 (6.81%), as compared to the national growth of 9.63%.
- From 2010 to 2020, Latah County's population increased by 2,371 (6.36%), 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, Latah County's population was lowest in year 2000 at 34,884.

Read more about Latah 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)