Clearwater County, Idaho Population 2026
Updated April 2026 · US Census ACS 2023 5-Year Estimates · 31st-largest in Idaho
The population of Clearwater County, Idaho is 8,921 as of the 2023 American Community Survey, making it the 31st-largest county in Idaho. The median household income is $57,961, the median home value is $240,800, and the median age is 52.0.
The population of Clearwater County has grown 4.9% since 2010 (8,726 → 9,151), a +0.34% annualized rate.
8,921
Population
+0.34%
Annual growth
4
People / sq mi
$57,961
Median Income
$240,800
Median Home Value
Clearwater County covers 2,457 sq mi of land at 3.6 people per square mile.
About Clearwater County, ID
Clearwater County skews on age — the median resident is 52.0, older than the national median. Clearwater County is a county in Idaho with a population of 8,921. It ranks #31 among counties in Idaho by population.
The typical household here earns about $57,961, below the US median of $78,538. About 8.0% of residents live below the federal poverty level, below the national 12.4%. The median home value is $240,800, with typical rent around $847.
Roughly 19.4% of adults have a bachelor’s, below the national 35.0%. Remote work is below the national 14.0% at 8.8%, and the average commute runs about 24 minutes each way.
The age structure shapes everything downstream in Clearwater County — from housing demand to the mix of working-age earners reflected in the income figures above.
Clearwater County Population History (2010-2024)
The county of Clearwater County had a population of 8,726 in 2010 and 9,151 in 2024, a 4.9% growth over 14 years. The peak was 9,192 in 2023. Average annual growth rate: 0.34%.
9,151
Population (2024)
8,726
Population (2010)
9,192
Peak (2023)
0.34%
Avg Annual Growth
| Year | Population |
|---|---|
| 2010 | 8,726 |
| 2011 | 8,609 |
| 2012 | 8,579 |
| 2013 | 8,570 |
| 2014 | 8,564 |
| 2015 | 8,554 |
| 2016 | 8,660 |
| 2017 | 8,651 |
| 2018 | 8,759 |
| 2019 | 8,761 |
| 2020 | 8,752 |
| 2021 | 8,927 |
| 2022 | 9,034 |
| 2023 | 9,192 |
| 2024 | 9,151 |
Race & Ethnicity
| White | 89.9% |
| Black or African American | 0.2% |
| Asian | 0.0% |
| Hispanic or Latino (any race) | 4.1% |
| Two or More Races | 0.0% |
Age & Sex
52.0
Median Age
44.9%
Female
55.1%
Male
28.6%
Age 65+
Age Distribution
Children (under 15): 12.3% · Seniors (65+): 28.6%
Income & Poverty
| Median household income | $57,961$-16,675 vs state |
| Mean household income | $72,440 |
| Per-capita income | $31,608 |
| Poverty rate | 8.0%+1.0% vs state |
| Unemployment rate | 1.6% |
| Employment-to-population | 44.4% |
Top Industries by Employment
The largest employment sector in Clearwater County is professional & business services, accounting for 26.5% of workers.
How residents commute
0.0%
Drive alone
3.4%
Carpool
79.3%
Public transit
8.8%
Work from home
23.9 min
Avg commute
Housing
$240,800$-135,200 vs state
Median home value
$847
Median rent
81.6%
Homeownership rate
4,603
Total housing units
77.4%
Occupied
22.6%
Vacant
18.4%
Renter-occupied
Social & access
87.7%
With health insurance
88.9%
With broadband internet
51.7%
Foreign-born
11.9%
Veterans (18+)
23.3%
With a disability
97.1%
Speak language other than English at home
Education
91.1%
High School+
19.4%
Bachelor's+
Largest cities in Idaho
Other counties in Idaho
Part of Idaho
Metro areas in Idaho
County rankings
Frequently Asked Questions
Clearwater County, Idaho has a population of 8,921 according to the US Census Bureau's 2023 American Community Survey 5-year estimates, making it the 31st-largest county in Idaho. Population density is 4 people per square mile.
The population of Clearwater County has grown 4.9% since 2010 (8,726 → 9,151), a +0.34% annualized rate.
The median household income in Clearwater County, Idaho is $57,961, with mean (average) household income of $72,440 and per-capita income of $31,608. 8.0% of residents live below the federal poverty level.
In Clearwater County, the largest racial and ethnic groups are White (89.9%), Hispanic or Latino (4.1%), Black or African American (0.2%). Figures are from the US Census Bureau's 2023 ACS 5-year estimates and reflect self-reported responses.
The median age in Clearwater County, Idaho is 52.0 years. Residents are 44.9% female and 55.1% male.
The median home value in Clearwater County is $240,800 and median monthly rent is $847. 81.6% of occupied housing units are owner-occupied. The county has 4,603 total housing units, 22.6% of which are vacant.
The largest employment sector in Clearwater County, Idaho is professional, scientific, and management services, employing 26.5% of workers. The unemployment rate is 1.6%.
Boise City is among the largest cities associated with Clearwater County, Idaho, with a population of 235,701.
Clearwater County, ID Climate
Clearwater County, ID has an average annual temperature of 5.4°C (42°F) and receives about 852 mm of precipitation per year. The warmest month is August and the coldest is January. Figures are 1970–2000 climate normals.
5.4°C
Avg Temp
852
Precip (mm/yr)
Aug
Hottest Month
Jan
Coldest Month
| Month | Avg (°C/°F) | Precip |
|---|---|---|
| January | -5° / 23° | 115 mm |
| February | -3° / 26° | 81 mm |
| March | 0° / 33° | 76 mm |
| April | 4° / 40° | 66 mm |
| May | 9° / 48° | 70 mm |
| June | 13° / 55° | 64 mm |
| July | 16° / 61° | 28 mm |
| August | 17° / 62° | 38 mm |
| September | 12° / 53° | 51 mm |
| October | 6° / 44° | 63 mm |
| November | 0° / 33° | 97 mm |
| December | -4° / 24° | 103 mm |
1970–2000 normals from WorldClim 2.1 (~9 km grid). Precipitation can be less precise near mountains or coastlines, where rainfall varies sharply over short distances.
Best time to visit Clearwater County, ID
The most comfortable months to visit Clearwater County, ID are typically July, August and June, when temperatures are mildest and rainfall is relatively low. The hottest month is August (around 27°C high). The coldest is January (near -10°C low). January is usually the wettest month.
Where to stay near Clearwater County
Visiting or relocating to Clearwater County, ID? Compare hotels and short-term rentals across the county — live availability and prices.
Top-rated places to stay near Clearwater County
Availability and prices from Stay22 partners (Booking.com, Vrbo, Expedia). We may earn a commission from bookings, at no extra cost to you.
Planning a move to Clearwater County?
Get relocation and cost-of-living insights for Clearwater County, ID by email. No spam, unsubscribe anytime.
More from Idaho
Population 508,052
Population 242,405
Population 177,736
Population 127,056
Full rankings of Idaho counties
Statewide data for Idaho
Population, race, income, age, and trends across Idaho
Data from the American Community Survey (ACS) 5-Year estimates.
Source: U.S. Census Bureau ACS, 2026.