ZIP code 83251
Where is ZIP code 83251?
Mackay, Idaho
Custer County · Standard ZIP code
ZIP code 83251 belongs to Mackay, Idaho in Custer County. 83251 is a standard ZIP code, so it covers street addresses as well as PO Boxes. It is in the Mountain Time zone and uses area codes 208 and 986. About 1,443 people live in the 83251 area, where the median household income is $73,482. The closest ZIP codes are 83255 (Moore, 25.4 mi southeast), 83353 (Sun Valley, 27.5 mi southwest) and 83354 (Sun Valley, 31.3 mi southwest).
| ZIP code | 83251 |
|---|---|
| Type | Standard ZIP code for street addresses and PO Boxes |
| Status | Active |
| City | Mackay |
| State | Idaho (ID) |
| County | Custer County |
| Time zone | Mountain Time · now |
| Area codes | 208, 986 |
| Coordinates | 43.9223, -113.8895 map |
| 3-digit prefix | 832 |
Population and income in 83251
| Population | 1,443 · higher than 51% of Idaho ZIP codes |
|---|---|
| People per square mile | 1 · lower than 90% of Idaho ZIP codes |
| Median age | 60.6 years · higher than 87% of Idaho ZIP codes |
| Men / women | 45% / 55% |
| Median household income | $73,482 · higher than 56% of Idaho ZIP codes |
| Income per person | $39,453 |
| Below the poverty line | 18% |
| Bachelor’s degree or higher | 32% of adults 25+ |
| Median home value | $366,900 · higher than 57% of Idaho ZIP codes |
| Housing units | 942 |
| Households | 603 (2.27 people on average) |
| Owners / renters | 79% / 21% |
| Land area | 1124.15 sq mi (plus 2.97 sq mi of water) |
Source: U.S. Census Bureau, American Community Survey 5-year estimates (2020–2024) for ZIP Code Tabulation Area 83251. Census ZIP areas are close to, but not exactly the same as, USPS delivery areas.
ZIP codes near 83251
| ZIP code | City | Distance | Type |
|---|---|---|---|
| 83255 | Moore, ID | 25.4 mi SE | Standard |
| 83353 | Sun Valley, ID | 27.5 mi SW | PO Box only |
| 83354 | Sun Valley, ID | 31.3 mi SW | PO Box only |
| 83340 | Ketchum, ID | 34.5 mi SW | Standard |
| 83333 | Hailey, ID | 34.5 mi SW | Standard |
| 83213 | Arco, ID | 34.7 mi SE | Standard |
| 83227 | Clayton, ID | 35.4 mi NW | Standard |
| 83313 | Bellevue, ID | 37.9 mi SW | Standard |
| 83244 | Howe, ID | 39.9 mi E | Standard |
| 83226 | Challis, ID | 42.5 mi N | Standard |
| 83348 | Picabo, ID | 43.4 mi S | Standard |
| 83320 | Carey, ID | 44.8 mi S | Standard |
Straight-line distance between ZIP code center points. Find every ZIP code within 10 miles of 83251 or measure the distance to another ZIP code.
How to address mail to 83251
123 MAIN ST
MACKAY ID 83251
Put the city, the two-letter state code and the ZIP code on the last line. Avoid Chilly: USPS doesn’t recognize it as the city for this ZIP code. Adding the 4-digit ZIP+4 code (83251-XXXX) helps mail sort faster but isn’t required.
Questions
- What city is ZIP code 83251?
- 83251 is a Mackay, Idaho ZIP code.
- What county is 83251 in?
- ZIP code 83251 is in Custer County, Idaho.
- What time zone is ZIP code 83251 in?
- 83251 is in the Mountain Time zone (America/Boise).
- What area code is 83251?
- Phone numbers in ZIP code 83251 use area codes 208 and 986.
- What is the population of ZIP code 83251?
- About 1,443 people live in ZIP code 83251, according to the Census Bureau’s American Community Survey (2020–2024).
- What is the median income in 83251?
- The median household income in 83251 is $73,482 a year, higher than 56% of Idaho ZIP codes.
- What ZIP codes are near 83251?
- The nearest ZIP codes to 83251 are 83255 (Moore, 25.4 miles), 83353 (Sun Valley, 27.5 miles), 83354 (Sun Valley, 31.3 miles) and 83340 (Ketchum, 34.5 miles).