Custer County, Idaho
17 public bodies govern here, 2 school districts are based here, and USDA lists 1 farmers market. Everything below says where it came from.
In four numbers
- People
- 4,470
- Median household income
- $67,574
- ±16,035
- Unemployed
- 2.0%
- 39 of 1,915 in the labour force
- Homes with broadband
- 85.9%
- 1,669 of 1,943 households
U.S. Census Bureau, American Community Survey 5-year estimates 2020-2024; read 2026-09-26. Percentages worked out here from the two counts shown.
Who governs here
County government 1
| Name | People | Office | Website |
|---|---|---|---|
| County of Custer | 4,428 (2021) | Po Box 385, Challis | Website |
Cities, towns and villages 4
| Name | People | Office | Website |
|---|---|---|---|
| City of Challis | 922 (2021) | Po Box 587, Challis | — |
| City of Clayton | 9 (2021) | Po Box 33, Clayton | — |
| City of Mackay | 473 (2021) | Po Box 509, Mackay | — |
| City of Stanley | 122 (2021) | Po Box 53, Stanley | Website |
Special districts 12
| Name | What it does | Office | Website |
|---|---|---|---|
| Big Lost River Cemetery Maintenance District | Cemeteries | 4050 W 4200 N Passcreek Rd, Mackay | — |
| Challis Cemetery Maintenance District | Cemeteries | Po Box 631, Challis | — |
| North Custer Hospital District | Health | Po Box 357, Challis | — |
| Salmon River Clinic Hospital District | Health | Po Box 129, Stanley | Website |
| Lost River Highway District | Highways | 600 Stockman Dr, Mackay | — |
| Big Lost River Irrigation District | Irrigation | Po Box 205, Mackay | — |
| Mackay Free Library District | Libraries | Po Box 355, Mackay | — |
| Stanley Community Library District | Libraries | Po Box 230, Stanley | Website |
| North Custer Fire Protection District | Local fire protection | Po Box 916, Challis | — |
| Sawtooth Valley Fire District | Local fire protection | Po Box 29, Stanley | — |
| South Custer Fire Protection District | Local fire protection | Po Box 308, Mackay | — |
| Custer Soil and Water Conservation District | Soil and water conservation | Po Box 305, Challis | Website |
U.S. Census Bureau, 2022 Census of Governments, Government Units List (published August 2023); the file read 2026-09-26. Offices are placed by county; a special district’s territory can cross county lines. Each body posts its own meetings on its website where the Census records one.
School districts based here
CHALLIS JOINT DISTRICT
School district3 schools
721 EAST MAIN AVENUE SUITE 6, Challis, ID, 83226
MACKAY JOINT DISTRICT
School district2 schools
400 EAST SPRUCE STREET, Mackay, ID, 83251
National Center for Education Statistics, Common Core of Data 2024-25; read 2026-09-26.
Farmers markets
Challis Community Farmers' Market
Clinic Rd. and Hwy. 93 N., Challis City Park, Challis, ID, 83226
Gathered by USDA from the web; USDA record last changed 2023-03-20. USDA listing
USDA National Farmers Market Directory; read 2026-09-26.