ZIP code
83251
Mackay, ID
83251 covers Mackay in Custer County, with 1,322 people in the ACS 2023 estimate.
Figures are for the Census ZIP Code Tabulation Area (ZCTA), which is not the same as a USPS ZIP code. A PO Box or unique ZIP may have no ZCTA and no demographics. Methodology
U.S. Census Bureau, ACS 2019–2023 5-year (vintage 2023). Geography: ZCTA 83251. Methodology
ZIP code map of 83251

About ZIP code 83251
More enterprise fields
Commercial ZIP directory · not ACS
Commercial ZIP directory population_count for ZCTA 83251. Not ACS. Methodology
People in 83251
Race
- White1,040
- American Indian or Alaska Native3
- Asian5
- Other race12
- Two or more races40
Hispanic or Latino (any race): 32
Age
- Under 10118
- 10 to 19113
- 20 to 2955
- 30 to 39107
- 40 to 4999
- 50 to 59140
- 60 to 69229
- 70 to 79180
- 80 and older59
Income and housing in 83251
Education
- High school graduate92.6%
- Bachelor's degree24.6%
- Graduate degree7.7%
Places covering 83251
Cities and places — Population overlap
Share of this ZIP/ZCTA’s population located within each place, based on ZIP Code Database place-overlap data. This is a population measure, not land-area overlap or the Census-place population.
- Mackay39.9%
- Lost River0.0%
ZIP Code Database place-overlap table, field percent_of_zip_population_in_place, keyed by place_geoid. Not ACS 2019–2023. Overlap vintage is the shipped overlap table and is separate from ACS. Methodology
Counties — Population overlap
Share of this ZIP/ZCTA’s population located within each county, based on ZIP Code Database county-overlap data. This is a population measure, not land-area overlap or the Census county population.
- Custer County100.0%
ZIP Code Database county-overlap table, field percent_of_zip_population_in_county, keyed by county_geoid. Not ACS 2019–2023. Overlap vintage is the shipped overlap table and is separate from ACS. Methodology
60.1% of this ZIP is outside city limits (a real overlap row, not missing data).
Population history for 83251
Hover the chart or read the table below (Year | ACS | IRS).
| Year | ACS population | IRS population |
|---|---|---|
| 2005 | 986 | |
| 2006 | 957 | |
| 2007 | 1,062 | |
| 2008 | 996 | |
| 2009 | 894 | |
| 2010 | 899 | |
| 2011 | 1,090 | 894 |
| 2012 | 1,210 | 870 |
| 2013 | 1,080 | 900 |
| 2014 | 1,236 | 890 |
| 2015 | 1,123 | 940 |
| 2016 | 1,134 | 970 |
| 2017 | 1,084 | 1,060 |
| 2018 | 1,320 | 1,060 |
| 2019 | 1,193 | 1,070 |
| 2020 | 1,264 | 1,100 |
| 2021 | 1,464 | 1,120 |
| 2022 | 1,286 | 1,110 |
| 2023 | 1,322 |
ACS: U.S. Census Bureau American Community Survey 5-year estimates. IRS: Statistics of Income ZIP Code data.
ZIP codes near 83251
12 nearest ZIP centroids (any distance)
- 83353Sun Valley26.1 miPop 1,374 · Income $95,568
- 83354Sun Valley26.7 miPop 9 · Income —
- 83255Moore29.1 miPop 1,173 · Income $59,063
- 83333Hailey29.7 miPop 12,096 · Income $86,142
- 83226Challis29.7 miPop 2,149 · Income $50,980
- 83227Clayton31.1 miPop 115 · Income —
- 83340Ketchum34.9 miPop 5,379 · Income $86,650
- 83320Carey37.4 miPop 1,562 · Income $48,750
- 83253May41.9 miPop 98 · Income —
- 83313Bellevue43.1 miPop 4,033 · Income $83,705
- 83213Arco45.1 miPop 1,328 · Income $36,184
- 83348Picabo46.7 miPop 88 · Income —
ZIP centroids within 2 miles
No other ZIP codes within 2 miles of 83251, measured by Census internal-point centroids. Try a wider radius.
ZIPs within 2 miles of this place
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ZIP code 83251 FAQ
- What city is ZIP code 83251 in?
- 83251 is in Mackay, ID.
- What county is 83251 in?
- 83251 is in Custer County.
- What is the median household income in 83251?
- The median household income in 83251 is $55,938.
- Which ZIP codes are near 83251?
- Use the radius tool on this page to list ZIP codes within a chosen distance of 83251.