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Mackay, ID
City in Custer County, Idaho.
Population
602
Land area
0.9sq mi
People per sq mi
695
ZIP codes
0
Mackay and its ZIP codes
Mackay at a glance
- Mackay is about 30 times as dense as Idaho as a whole.
- The median household income is $43,897, 44% below the Idaho median of $77,800.
- A typical owner-occupied home is valued at $279,500 (33% below Idaho).
Local data for Mackay, ID
Counts from official public data
Housing and community stats
Mackay, ID, American Community Survey 2020-2024
Median household income
$43,897
Poverty rate
19.9%
Median home value
$279,500
Homeownership
74.7%
Bachelor's or higher
28.5%
Median age
61.7
Average commute
16.4 min
Largest reported origins and ancestries: German Americans (207), Irish Americans (83), Salvadoran Americans (50).
Economy and federal money
Jobs, pay, income and spending are for Custer County. PPP loans are for Mackay.
Unemployment rate
3.3%
Aug 2026, -0.3 pts in a year
Average annual pay
$49,724
1,601 jobs, 2025
Income per person
$57,363
BEA, 2024
Federal spending
$47.9M
FY 2026, $11,205 per person
How people get to work
Mackay, ID, workers 16 and older. American Community Survey 5-year estimates
- Drove alone95.3%
- Carpooled0.0%
- Public transit0.0%
- Walked0.0%
- Bicycle0.0%
- Taxi, ride-hailing, motorcycle or other0.0%
- Worked from home4.7%
Average one-way commute: 16.4 minutes for people who do not work from home.
Environment and hazard risk
Mackay, ID, from FEMA, NOAA and EPA
Natural hazard risk
Relatively Low
Top: landslide
Storm events since 1996
334
Countywide, mostly heavy snow
Flood insurance policies
17
0.4% of homes, county
July high / Jan low
83° / 8°F
9.9 inches of rain a year
Hazards, floods and storm historyCheck a flood zone2 historic places
Health statistics
Share of adults in Mackay, ID, CDC PLACES estimates
Obesity
31.8%
U.S. 33.3% -1.5 pts
Diabetes
13.7%
U.S. 12.1% +1.6 pts
Smoking
13.4%
U.S. 12.8% +0.6 pts
Uninsured (18-64)
7.8%
U.S. 11.1% -3.3 pts
Cities near Mackay
| Name | Distance | Land area (sq mi) |
|---|---|---|
| Lost RiverCity | 16 mi | 8.3 |
| MooreCity | 17 mi | 0.3 |
| ArcoCity | 25 mi | 1.1 |
| Butte CityCity | 28 mi | 0.2 |
Frequently asked questions
- What county is Mackay, ID in?
- Mackay is in Custer County, Idaho.
- What is the population of Mackay, ID?
- About 602 people live in Mackay, based on American Community Survey 5-year estimates.
- What cities are near Mackay?
- Nearby places include Lost River (16 mi), Moore (17 mi), Arco (25 mi), Butte City (28 mi).
Source: U.S. Census Bureau (TIGER/Line boundaries, American Community Survey) · Data as of 12/31/2023