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Clark County, ID
2 cities and towns and 2 ZIP codes in Clark County, Idaho.
Population
849
Land area
1,763sq mi
People per sq mi
0
ZIP codes
2
Cities and towns in Clark County
Clark County at a glance
- Clark County is 98% less dense than Idaho as a whole.
- Households here earn a median of $55,208 a year, 29% less than the Idaho figure of $77,800.
- A typical owner-occupied home is valued at $216,900 (48% below Idaho) and median rent is $773 a month.
- The biggest population centers are Dubois (585) and Spencer (19).
Local data for Clark County, ID
Counts from official public data
Housing and community stats
Clark County, ID, American Community Survey 2020-2024
Median household income
$55,208
Poverty rate
11.7%
Median home value
$216,900
Median rent
$773/mo
Homeownership
61.3%
Bachelor's or higher
20.5%
Median age
31.1
Average commute
24.0 min
Largest reported origins and ancestries: Mexican Americans (241), German Americans (62), Scottish Americans (35).
Economy and federal money
Jobs, income, federal spending and pandemic loans
Unemployment rate
3.3%
Sep 2026, -0.1 pts in a year
Average annual pay
$67,233
296 jobs, 2025
Income per person
$52,819
BEA, 2024
Federal spending
$4.8M
FY 2026, $6,117 per person
PPP loans
$1.2M
22 loans, 184 jobs reported
Campaign donations
$11.2K
Itemized, 2026 cycle
How people get to work
Clark County, ID, workers 16 and older. American Community Survey 5-year estimates
- Drove alone55.0%
- Carpooled29.4%
- Public transit0.0%
- Walked5.1%
- Bicycle0.5%
- Taxi, ride-hailing, motorcycle or other0.5%
- Worked from home9.4%
Average one-way commute: 24.0 minutes for people who do not work from home.
Environment and hazard risk
Clark County, ID, from FEMA, NOAA and EPA
Natural hazard risk
Very Low
Top: avalanche
Storm events since 1996
207
Most often thunderstorm wind
July high / Jan low
83° / 11°F
12.5 inches of rain a year
Hazards, floods and storm historyCheck a flood zone2 historic places
Health statistics
Share of adults in Clark County, ID, CDC PLACES estimates
Obesity
36.0%
U.S. 33.3% +2.7 pts
Diabetes
13.8%
U.S. 12.1% +1.7 pts
Smoking
13.9%
U.S. 12.8% +1.1 pts
Uninsured (18-64)
19.5%
U.S. 11.1% +8.4 pts
Cities, towns and ZIP codes in Clark County
Population shown
Frequently asked questions
- What is the largest city in Clark County, ID?
- Dubois is the largest city or town in Clark County, with about 585 residents.
- How many ZIP codes are in Clark County?
- Clark County includes 2 ZIP Code Tabulation Areas, including 83423, 83446.
- What is the population of Clark County, ID?
- About 849 people live in Clark County, based on American Community Survey 5-year estimates.
- What counties border Clark County?
- Clark County borders Jefferson County, Fremont County, Beaverhead County, MT, Lemhi County, Butte County.
Source: U.S. Census Bureau (TIGER/Line boundaries, American Community Survey) · Data as of 12/31/2023