ZIP code 57621
Where is ZIP code 57621?
Bullhead, South Dakota
Corson County · PO Box only ZIP code
ZIP code 57621 belongs to Bullhead, South Dakota in Corson County. 57621 is a PO Box only ZIP code: it is used for post office boxes at the Bullhead post office, not for street addresses. It is in the Mountain Time zone and uses area code 605. About 294 people live in the 57621 area, where the median household income is $32,589. The closest ZIP codes are 57642 (Mc Laughlin, 5 mi southeast), 57659 (Walker, 10 mi north) and 57639 (Little Eagle, 14.7 mi southeast).
| ZIP code | 57621 |
|---|---|
| Type | PO Box only (no street delivery) |
| Status | Active |
| City | Bullhead |
| State | South Dakota (SD) |
| County | Corson County |
| Time zone | Mountain Time · now |
| Area code | 605 |
| Coordinates | 45.7656, -101.0807 map |
| 3-digit prefix | 576 |
Population and income in 57621
| Population | 294 · lower than 71% of South Dakota ZIP codes |
|---|---|
| People per square mile | 96 · higher than 92% of South Dakota ZIP codes |
| Median age | 19.7 years · lower than 97% of South Dakota ZIP codes |
| Men / women | 50% / 50% |
| Median household income | $32,589 · lower than 97% of South Dakota ZIP codes |
| Income per person | $7,640 |
| Below the poverty line | 67% |
| Bachelor’s degree or higher | 8.9% of adults 25+ |
| Median rent | $592 a month |
| Housing units | 63 |
| Households | 57 (5.16 people on average) |
| Owners / renters | 23% / 77% |
| Land area | 3.07 sq mi (plus 0.1 sq mi of water) |
Source: U.S. Census Bureau, American Community Survey 5-year estimates (2020–2024) for ZIP Code Tabulation Area 57621. Census ZIP areas are close to, but not exactly the same as, USPS delivery areas.
ZIP codes near 57621
| ZIP code | City | Distance | Type |
|---|---|---|---|
| 57642 | Mc Laughlin, SD | 5 mi SE | Standard |
| 57659 | Walker, SD | 10 mi N | Standard |
| 57639 | Little Eagle, SD | 14.7 mi SE | PO Box only |
| 58568 | Selfridge, ND | 18.9 mi N | Standard |
| 57641 | Mc Intosh, SD | 21.6 mi W | Standard |
| 57630 | Glencross, SD | 23.2 mi S | Standard |
| 57660 | Watauga, SD | 23.6 mi NW | Standard |
| 57656 | Timber Lake, SD | 25.9 mi S | Standard |
| 57657 | Trail City, SD | 26.6 mi SE | Standard |
| 57658 | Wakpala, SD | 26.8 mi E | Standard |
| 58569 | Shields, ND | 30.1 mi N | Standard |
| 58538 | Fort Yates, ND | 30.5 mi NE | Standard |
Straight-line distance between ZIP code center points. Find every ZIP code within 10 miles of 57621 or measure the distance to another ZIP code.
How to address mail to 57621
PO BOX 123
BULLHEAD SD 57621
Put the city, the two-letter state code and the ZIP code on the last line. Adding the 4-digit ZIP+4 code (57621-XXXX) helps mail sort faster but isn’t required.
Questions
- What city is ZIP code 57621?
- 57621 is a Bullhead, South Dakota ZIP code.
- What county is 57621 in?
- ZIP code 57621 is in Corson County, South Dakota.
- What time zone is ZIP code 57621 in?
- 57621 is in the Mountain Time zone (America/Denver).
- What area code is 57621?
- Phone numbers in ZIP code 57621 use area code 605.
- What is the population of ZIP code 57621?
- About 294 people live in ZIP code 57621, according to the Census Bureau’s American Community Survey (2020–2024).
- What is the median income in 57621?
- The median household income in 57621 is $32,589 a year, lower than 97% of South Dakota ZIP codes.
- Can I use 57621 for a street address?
- No. 57621 is only for PO Boxes. Street addresses in Bullhead use another ZIP code.
- What ZIP codes are near 57621?
- The nearest ZIP codes to 57621 are 57642 (Mc Laughlin, 5 miles), 57659 (Walker, 10 miles), 57639 (Little Eagle, 14.7 miles) and 58568 (Selfridge, 18.9 miles).