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Population Review

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.

Clearwater County within Idaho · Source: US Census TIGER/Line via us-atlas

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 is a county in Idaho with a population of 8,921. It ranks #31 among counties in Idaho by population. The median age is 52.0, older than the national median. The population is 55.1% male and 44.9% female.

The median household income in Clearwater County is $57,961, below the US median of $74,580. 8.0% of residents live below the federal poverty level. Home values sit at a median of $240,800, with monthly rent averaging $847. The homeownership rate of 81.6% is higher than the national rate of 64.8%.

Educational attainment in Clearwater County reflects 19.4% of adults 25 and older holding a bachelor's degree or higher, below the national average of 34.3%. Roughly 8.8% of workers primarily work from home, below the national work-from-home rate of 14.2%. The average commute is 23.9 minutes each way.

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%.

2023 · 9K20102024

9,151

Population (2024)

8,726

Population (2010)

9,192

Peak (2023)

0.34%

Avg Annual Growth

YearPopulation
20108,726
20118,609
20128,579
20138,570
20148,564
20158,554
20168,660
20178,651
20188,759
20198,761
20208,752
20218,927
20229,034
20239,192
20249,151

Race & Ethnicity

White89.9%
Black or African American0.2%
Asian0.0%
Hispanic or Latino (any race)4.1%
Two or More Races0.0%

Age & Sex

52.0

Median Age

44.9%

Female

55.1%

Male

28.6%

Age 65+

Age Distribution

Under 5
3.7%
5–9
3.3%
10–14
5.3%
15–19
4.6%
20–24
3.6%
25–34
10.1%
35–44
11.1%
45–54
13.2%
55–59
6.7%
60–64
10.0%
65–74
17.0%
75–84
9.4%
85+
2.2%

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 rate8.0%+1.0% vs state
Unemployment rate1.6%
Employment-to-population44.4%

Top Industries by Employment

Professional & business services
26.5%
Manufacturing
14.2%
Construction
11.1%
Agriculture
8.3%
Public administration
7.1%
Education & health care
5.4%
Finance & real estate
5.3%
Retail trade
5.1%

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.

Data from the American Community Survey (ACS) 5-Year estimates.

Source: U.S. Census Bureau ACS, 2026.