83251 ZIP Code, Mackay, ID
83251 is a ZIP code in Mackay, Idaho in Custer County. It covers 1,124 square miles of land. 1,443 people live here in 603 households. It is rural, with fewer than 100 people per square mile, and most homes are owner-occupied (79%). Median household income is $73,482, close to the Idaho median of $77,800; the median age is 60.6, older than most ZIP codes.
Quick facts
- Mailing city: Mackay, ID
- County: Custer County
- Land area: 1,124 sq mi
- Population: 1,443
- Median household income: $73,482
Key figures
| Measure | Value |
|---|---|
| Residents | 1,443 |
| Households | 603 |
| Median household income | $73,482 |
| Income per person | $39,453 |
| Median age | 60.6 |
| Homeowners | 79.3% |
| Median home value | $366,900 |
| Median rent | not published |
| Bachelor's degree or higher | 31.8% |
| Average commute (minutes) | 20.7 |
| Households with kids under 18 | 10.9% |
| Moved in the past year | 4.7% |
| Below the poverty line | 17.8% |
| Broadband internet | 74.8% |
| Speak a non-English language at home | 3.2% |
Household income
| % of households | Value |
|---|---|
| <$10K | 4.0% |
| $10–15K | 1.5% |
| $15–25K | 11.6% |
| $25–35K | 12.9% |
| $35–50K | 8.6% |
| $50–75K | 15.6% |
| $75–100K | 19.4% |
| $100–150K | 9.1% |
| $150–200K | 11.1% |
| $200K+ | 6.1% |
Age
| % of all residents | Value |
|---|---|
| <10 | 8.1% |
| 10–19 | 8.9% |
| 20–24 | 2.6% |
| 25–34 | 2.4% |
| 35–44 | 11.0% |
| 45–54 | 9.1% |
| 55–64 | 24.0% |
| 65–74 | 16.0% |
| 75+ | 18.0% |
Tenure
| % of housing units | Value |
|---|---|
| Owned, with mortgage | 25.8% |
| Owned outright | 25.2% |
| Rented | 13.2% |
| Vacant | 35.8% |
Type of building
| % of housing units | Value |
|---|---|
| Detached house | 86.4% |
| Townhome | 0.0% |
| 2–4 units | 1.7% |
| 5–19 units | 2.2% |
| 20+ units | 0.0% |
| Mobile / other | 9.7% |
Businesses in 83251
41 business establishments with 215 employees (ZIP Codes Business Patterns 2023).
- Construction: 8
- Retail Trade: 7
- Accommodation and Food Services: 6
- Health Care and Social Assistance: 4
EDDM carrier routes
See every USPS carrier route in 83251 with residential and business mailbox counts on the route map. Open the EDDM route map.
Areas that include 83251
- Mackay, ID ZIP codes — 1 ZIP code
- Lost River, ID ZIP codes — 2 ZIP codes
- Custer County ZIP codes — 7 ZIP codes
- Idaho ZIP code data
Mail every home in 83251
Route counts on this page price as Full Service 6.5 × 9 postcards: we print, bundle by carrier route and hand the mailing to USPS. Prefer to take it to the Post Office yourself? Print only costs less and you pay postage at drop-off.
EDDM guides
ZIP code statistics describe the Census ZIP Code Tabulation Area (ZCTA) 83251, which approximates the USPS ZIP code area. Census figures: American Community Survey 5-year estimates, 2020–2024.
Frequently asked questions
- What city is 83251 in?
- 83251 is a Mackay, ID mailing address. None of its land lies inside a Census-defined city or community.
- What county is 83251 in?
- 83251 is in Custer County.
- What is the population of 83251?
- About 1,443 people (±335), according to the Census Bureau's American Community Survey 5-year estimates for 2020–2024. The 2020 Census counted 1,100.
- What is the median household income in 83251?
- $73,482 (±$10,352), compared with $77,800 for Idaho as a whole. Half the households in the ZIP code earn more and half earn less.
- How many carrier routes and mailboxes are in 83251?
- EDDM2GO's stored route library does not include 83251 yet. The EDDM route map loads its carrier routes and mailbox counts when you search the ZIP code.
This product uses the Census Bureau Data API but is not endorsed or certified by the Census Bureau.