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Arco, ID
City in Butte County, Idaho.
Population
850
Land area
1.1sq mi
People per sq mi
796
ZIP codes
0
Arco and its ZIP codes
Arco at a glance
- Arco is about 34 times as dense as Idaho as a whole.
- Households here earn a median of $37,644 a year, 52% less than the Idaho figure of $77,800.
- A typical owner-occupied home is valued at $192,000 (54% below Idaho) and median rent is $564 a month.
Local data for Arco, ID
Counts from official public data
Housing and community stats
Arco, ID, American Community Survey 2020-2024
Median household income
$37,644
Poverty rate
31.9%
Median home value
$192,000
Median rent
$564/mo
Homeownership
60.2%
Bachelor's or higher
23.9%
Median age
34.6
Average commute
19.8 min
Largest reported origins and ancestries: German Americans (99), Mexican Americans (55), Scottish Americans (43).
Economy and federal money
Jobs, pay, income and spending are for Butte County. PPP loans are for Arco.
Unemployment rate
3.1%
Aug 2026, -0.3 pts in a year
Average annual pay
$119,545
10,275 jobs, 2025
Income per person
$57,063
BEA, 2024
Federal spending
$25.2M
FY 2026, $9,808 per person
How people get to work
Arco, ID, workers 16 and older. American Community Survey 5-year estimates
- Drove alone64.4%
- Carpooled16.5%
- Public transit1.1%
- Walked7.1%
- Bicycle0.0%
- Taxi, ride-hailing, motorcycle or other1.1%
- Worked from home9.7%
Average one-way commute: 19.8 minutes for people who do not work from home.
Environment and hazard risk
Arco, ID, from FEMA, NOAA and EPA
Natural hazard risk
Very Low
Top: avalanche
Storm events since 1996
492
Countywide, mostly thunderstorm wind
Flood insurance policies
6
0.4% of homes, county
July high / Jan low
87° / 7°F
8.8 inches of rain a year
Hazards, floods and storm historyCheck a flood zone1 historic places
Health statistics
Share of adults in Arco, ID, CDC PLACES estimates
Obesity
35.9%
U.S. 33.3% +2.6 pts
Diabetes
14.4%
U.S. 12.1% +2.3 pts
Smoking
18.1%
U.S. 12.8% +5.3 pts
Uninsured (18-64)
12.7%
U.S. 11.1% +1.6 pts
Cities near Arco
| Name | Distance | Land area (sq mi) |
|---|---|---|
| Butte CityCity | 3.6 mi | 0.2 |
| MooreCity | 8 mi | 0.3 |
| Lost RiverCity | 17 mi | 8.3 |
| MackayCity | 25 mi | 0.9 |
Frequently asked questions
- What county is Arco, ID in?
- Arco is in Butte County, Idaho.
- What is the population of Arco, ID?
- About 850 people live in Arco, based on American Community Survey 5-year estimates.
- What cities are near Arco?
- Nearby places include Butte City (3.6 mi), Moore (8 mi), Lost River (17 mi), Mackay (25 mi).
Source: U.S. Census Bureau (TIGER/Line boundaries, American Community Survey) · Data as of 12/31/2023