Clark County, Idaho
Clark County, Idaho, has 783 residents (July 2025 estimate). Its county seat is Dubois. It uses Mountain Time and covers 1,763 sq mi (4,567 km²) of land.
- Resident population, July 2025
- 783
- Land area
- 1,763 sq mi (4,567 km²)
- County seat or government
- Dubois
- Time zone
- Mountain TimeUTC-07:00 in January; UTC-06:00 in July
- Median household income
- $55,208 ± $16,773
- Median home value
- $216,900 ± $32,972
- Median rent, with utilities
- $773 ± $69
- Homes lived in by their owners
- 61.3% ± 7.3 points
- County type
- County
- Metro or micro area
- Outside any metro or micro areaNext to: Rexburg, ID micro area and Idaho Falls, ID metro area
- Water area
- 0.96 sq mi (2.48 km²)
- State
- Idaho
- County code (FIPS)
- 16033
- Coordinates (central point)
- 44.290218, -112.354613
These coordinates mark a central point for the area, not a street address. Income, home value, rent and homes lived in by their owners: U.S. Census Bureau, American Community Survey 2020–2024 5-year estimates, ± margin at 90% confidence; checked on October 13, 2026.
Time zones in Clark County
| Time zone | Local time and UTC offset | Next clock change |
|---|---|---|
| Mountain TimeAmerica/Boise | UTC-07:00 in January; UTC-06:00 in July. Enable JavaScript for the live clock. | Enable JavaScript for upcoming changes. |
Near a time-zone line, check where you are with the time-zone finder. Your phone’s setting can differ.
ZIP Code areas, largest first
4 ZIP Code areas overlap Clark County. People counts are 2020–2024 estimates for each whole ZIP area. Mailing ZIPs can differ; check an address with USPS ZIP Code Lookup.
Official county information
We don’t have a website for this county yet. The US government’s local-office directory ↗ lists its offices. A geographic lookup cannot determine eligibility, tax liability or a court obligation.
School districts in Clark County, largest first
- Clark County School District 161849 people
Districts with land in the county; a district can cross county lines. People counts are American Community Survey 2020–2024 5-year estimates. A district boundary doesn’t decide which school a student attends.
Cities, towns and communities, largest first
These areas overlap the mapped boundary; an overlap does not mean that every address belongs to both.
- Dubois, Idaho (city)585 people
- Spencer, Idaho (city)19 people
Bordering areas, nearest first
Distances are straight lines between map points.
- Jefferson County, Idaho34 mi south
- Fremont County, Idaho43 mi east
- Butte County, Idaho58 mi southwest
- Beaverhead County, Montana64 mi northwest
- Lemhi County, Idaho87 mi northwest
Before using this answer on a form
Use a precise point for address-level questions. A device accuracy circle can cross a boundary; confirm tax, voting or jury details with the responsible office.
Find the county where you are now, check its ZIP area, or check the time zone where you are.