Clark County, Idaho: commercial real estate data.
Clark County, Idaho had an estimated 794 residents on July 1, 2024, up 0.5 percent since the 2020 census base of 790, across 1,764 square miles. County output reached $57.1 m in 2024, 12 establishments operate here.
Underlined figures are computed by MMCG Analytics, not published by the agency.
Clark County
How many people live in Clark County
- Population, American Community Survey 2020-2024849
- Households279
- Average household size3.04
- Median household income$55,208
- Median age31.1
- Median gross rent$773 per month
- Median owner-occupied home value$216,900
- Home value to household income3.9 times
- Annual rent as a share of median income16.8 percent
- Adults 25 and over with a bachelor degree or higher20.5 percent
- Adults 25 and over with a graduate degree4.6 percent
- Adults 25 and over503
- Population under 18242
- Share under 1828.5 percent
- Population 65 and over103
- Share 65 and over12.1 percent
- Working age population, 18 to 64504
- Civilian labor force385
- Unemployment rate2.1 percent
- Labor force participation, adults 18 and over63.4 percent
- Rank by population among Idaho counties44th of 44
- Rank by population among US county-equivalents, Puerto Rico included3193rd of 3,222
Clark County is the 44th largest of 44 Idaho counties by population. A median home costs 3.9 times median household income, which is moderately unaffordable by national standards. Residents under 18 outnumber those 65 and over, at 28.5 percent against 12.1 percent, a household formation profile rather than a retirement one.
US Census Bureau, American Community Survey 5-Year Estimates, 2020-2024 5-year.
Clark County
Is Clark County's population growing?
- Population, July 1, 2024794
- Census 2020 base population790
- Population change since the 2020 census base0.51 percent
- Population change, 2023 to 2024-7
- Births, 202417
- Deaths, 20246
- Natural change, 202411
- Net domestic migration, 2024-18
- Net international migration, 20241
- Total net migration, 2024-17
- Cumulative net domestic migration, 2021 to 2024-38
- Rank by growth among US county-equivalents1651st of 3,144
The county has grown 0.51 percent since the 2020 census base. More people left than moved in during 2024 and births over deaths did not make up the difference, so the population fell.
US Census Bureau, Population Estimates Program, Vintage 2024, Vintage 2024, estimates 2020 to 2024.
Clark County
What is the Clark County economy?
- County GDP, 2024$57.1 m
- County GDP, 2023$61.1 m
- GDP change, 2023 to 2024-6.6 percent
- GDP change over five years26.6 percent
- Rank by GDP among the Idaho areas BEA publishes44th of 44
- Rank by GDP among the US county areas BEA publishes3088th of 3,127
- GDP per resident$67,250
Output grew -6.6 percent in the latest year and 26.6 percent over five, which is the trend line a lender will read behind any single year figure.
US Bureau of Economic Analysis, Regional, table CAGDP2, CAGDP2, through 2024.
Clark County
Employment by industry in Clark County
- Covered employment, annual average301
- Establishments reporting49
- Average annual pay$61,984
- Average weekly wage$1,192
- Wholesale trade, employment41
- Wholesale trade, average annual pay$109,510
| Sector | Employment | Establishments | Average annual pay |
|---|---|---|---|
| Wholesale trade | 41 | 5 | $109,510 |
Wholesale trade is the largest private sector at 41 jobs, 13.6 percent of covered employment.
US Bureau of Labor Statistics, Quarterly Census of Employment and Wages, 2024 annual averages.
Clark County
How many businesses are in Clark County?
- Establishments, all industries12
- Employment at those establishments59
- Annual payroll$3.2 m
- Establishments per 1,000 residents14.1
These are counts of establishments physically operating in the county, not listings, so they are the supply side a feasibility study measures demand against. County Business Patterns counts private establishments with paid employees in March 2023, while the Quarterly Census of Employment and Wages above counts every unemployment-insured employer, public ones included, as a 2024 annual average, so the two establishment and employment counts differ.
US Census Bureau, County Business Patterns, 2023.
Clark County
Building permits in Clark County
- Housing units authorized by permit, 20241
- Declared construction value permitted$200,000
- Single family units authorized1
- Multifamily units authorized0
- Multifamily share of units0.0 percent
- Average declared value per unit$200,000
- Units authorized per 1,000 households3.6
Single-family homes are 100.0 percent of units authorized, so the pipeline is predominantly single-family.
US Census Bureau, Building Permits Survey, 2024 annual.
Clark County
How large is Clark County?
- Land area1,764 sq mi
- Rank by land area among Idaho counties18th of 44
- Width, east to west68.1 mi
- Height, north to south40.9 mi
- Geographies sharing a boundary5
- Residents per square mile of land0
- Establishments per square mile0.01
US Census Bureau county boundary geometry, TIGER, adjacency computed from shared boundary vertices, TIGER county boundaries. US Census Bureau, American Community Survey 5-Year Estimates, 2020-2024 5-year. US Census Bureau, County Business Patterns, 2023.
Clark County
Flood risk in Clark County
- Participation of the county's own NFIP community Clark County, unincorporated areasParticipating, community 160210
- Communities in the county in the NFIP Community Status Book2
- Of those, participating in the NFIP1
- NFIP participation rate50.0 percent
- Communities carrying a CRS class0
- Radon levels in Clark County, EPA zone predicted average indoor radon screening level greater than 4 pCi/LZone 1
The county's own community in the status book, unincorporated Clark County (community 160210), participates in the National Flood Insurance Program and carries no Community Rating System class, so no CRS premium discount applies there. The EPA places Clark County in radon zone 1, a predicted average indoor radon screening level greater than 4 pCi/L. The zone is a screening prediction for the county and does not substitute for a test at an address. 50.0 percent of the county's listed communities participate in the National Flood Insurance Program, per Federal Emergency Management Agency, NFIP Community Status Book (OpenFEMA), as of 2026-09-26.
Federal Emergency Management Agency, NFIP Community Status Book (OpenFEMA), as of 2026-09-26. US EPA, Map of Radon Zones, county spreadsheet, 2024-05 publication, EPA 402/A-16/001.
Coverage
What this page does not hold.
Traffic counts, zoning and the flood zone at an address are not on this page; they resolve at the address in the platform. How this page was built →
Feasibility studies
When a Clark County site needs a document a lender will accept.
The same data layer behind this page is the one the studies are written from. A study for a Clark County site starts with the figures you are reading, carrying the same source and period into the credit file.
- Population, American Community Survey 2020-2024849
- Households279
- Average household size3.04
- Median household income$55,208
- Median age31.1
Common questions
Clark County questions, answered from the record.
How many people live in Clark County, Idaho?
The Census Bureau estimates 794 residents on July 1, 2024 (US Census Bureau, Population Estimates Program, Vintage 2024). The American Community Survey 2020-2024 five-year estimate is 849, in 279 households, ranking 44th of 44 Idaho counties. Source: US Census Bureau, American Community Survey 5-Year Estimates, 2020-2024 5-year.
Is Clark County's population growing?
The population has grown 0.51 percent since the 2020 census base of 790, to 794 on July 1, 2024. In 2024 there were 17 births against 6 deaths, with net migration of -17. Source: US Census Bureau, Population Estimates Program, Vintage 2024, Vintage 2024, estimates 2020 to 2024.
What is the median household income in Clark County?
$55,208. The median owner-occupied home is valued at $216,900, which is 3.9 times income, and median gross rent is $773 per month. Source: US Census Bureau, American Community Survey 5-Year Estimates, 2020-2024 5-year.
How many businesses are in Clark County?
12 establishments, employing 59 people with an annual payroll of $3.2 m. These are establishments physically operating in the county, not listings. Source: US Census Bureau, County Business Patterns, 2023.
What is employment by industry in Clark County?
Wholesale trade is the largest private sector at 41 jobs, 13.6 percent of covered employment. Covered employment averages 301 jobs at an average annual pay of $61,984, or $1,192 a week. Source: US Bureau of Labor Statistics, Quarterly Census of Employment and Wages, 2024 annual averages.
How many building permits were issued in Clark County?
1 housing units were authorized by permit in 2024, with a declared construction value of $200,000. Multifamily was 0.0 percent of units. Source: US Census Bureau, Building Permits Survey, 2024 annual.
What is the radon zone for Clark County?
Zone 1, a predicted average indoor radon screening level greater than 4 pCi/L. Source: US EPA, Map of Radon Zones, county spreadsheet, 2024-05 publication, EPA 402/A-16/001.
Are traffic counts available for Clark County on this page?
No. Annual average daily traffic resolves in the platform rather than in this dataset, so no AADT figure is printed here. It is a gap we know about rather than a figure we estimated.
Is zoning published for Clark County?
No. Nothing on this page presents parcel level zoning, and where a statutory framework applies it is marked as the statewide frame, to be confirmed locally.
Clark County
Cities and places in Clark.
2 Census places lie wholly or partly in Clark County. All 2 carry enough published place level data for a page of their own and are linked.
| Place | Type | Population | SBA 7(a) approvals, projects in this county | Lies in |
|---|---|---|---|---|
| Dubois | city | 585 | None recorded | Wholly in this county |
| Spencer | city | 19 | None recorded | Wholly in this county |
Nearby