How many people live in Latah County, ID?
Updated Apr. 6, 2026Refreshed annually
In 2024, there were about 42,200 people living in Latah County, ID. That makes Latah County the 11th-most populous county in Idaho. It is home to 2.1% of people living in the state.
42.2K
population of Latah County, ID (2024)
2.1%
County share of the Idaho population (2024)
About 42,200 people lived in Latah County, ID in 2024.
Population estimates, 2000–2024
What are Latah County, ID’s age demographics?
About 6,400 Latah County, ID residents are aged 65 and older in 2024. That represents 15.2% of its population. For comparison, the age group represents 17.7% of Idaho’s population and 18% in the US overall.
Another 8,100 Latah County residents, or 19.2% of the population, were children under 18. For comparison, the age group represents 23.4% of Idaho’s population and 21.6% in the US overall.
A higher share of Latah County, ID's population is aged 18–24 than the US as a whole.
Population estimates by age group, (2024)
What are Latah County, ID’s racial and ethnic demographics?
Non-Hispanic white residents make up 87.2% of the Latah County, ID population, higher than the national share of 57.5%. Latah County, ID also has a larger share of people identifying as non-Hispanic two or more races (3%) than the US overall (2.5%).
In contrast, Latah County’s Hispanic population accounts for 5.3%, below the 20% nationwide, and the non-Hispanic Black or African American population makes up 0.91% of the county, compared with 12.6% nationally.
Racial and ethnic make up differ based on location. These figures reflect how people identified their race alone (not in combination with other races), and separate out Hispanic or Latino ethnicity, following Census reporting standards.
Latah County, ID has a higher share of a non-Hispanic white population than Idaho as a whole.
Population estimates by race and ethnicity, (2024)
The largest city or town in Latah County, ID is Moscow with about 26,900 residents in 2024.
Cities and towns in Latah County, ID ranked by population
Population (2024), includes only portions within county
| City or town | Population | |
|---|---|---|
| 1. | Moscow | 26,894 |
| 2. | Genesee | 1,103 |
| 3. | Troy | 942 |
| 4. | Potlatch | 810 |
| 5. | Juliaetta | 650 |
| 6. | Deary | 538 |
| 7. | Kendrick | 304 |
| 8. | Onaway | 220 |
| 9. | Bovill | 201 |
| 10. | Balance of Latah County | 10,518 |
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Methodology
USAFacts standardizes data, in areas such as time and demographics, to make it easier to understand and compare.
The analysis was generated with the help of AI and reviewed by USAFacts for accuracy.
Page sources
USAFacts endeavors to share the most up-to-date information available. We sourced the data on this page directly from government agencies; however, the intervals at which agencies publish updated data vary.
