ZIP code 57630
Where is ZIP code 57630?
Glencross, South Dakota
Dewey County · Standard ZIP code
ZIP code 57630 belongs to Glencross, South Dakota in Dewey County. 57630 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 code 605. About 11 people live in the 57630 area. The closest ZIP codes are 57656 (Timber Lake, 6.7 mi southwest), 57657 (Trail City, 9.6 mi east) and 57661 (Whitehorse, 12.4 mi south).
| ZIP code | 57630 |
|---|---|
| Type | Standard ZIP code for street addresses and PO Boxes |
| Status | Active |
| City | Glencross |
| State | South Dakota (SD) |
| County | Dewey County |
| Time zone | Mountain Time · now |
| Area code | 605 |
| Coordinates | 45.4483, -100.9213 map |
| 3-digit prefix | 576 |
Population and income in 57630
| Population | 11 · lower than 100% of South Dakota ZIP codes |
|---|---|
| People per square mile | 0 · lower than 98% of South Dakota ZIP codes |
| Median age | 64.2 years · higher than 98% of South Dakota ZIP codes |
| Men / women | 18% / 82% |
| Income per person | $83,973 |
| Below the poverty line | 0.0% |
| Bachelor’s degree or higher | 0.0% of adults 25+ |
| Housing units | 12 |
| Households | 9 (1.22 people on average) |
| Owners / renters | 100% / 0.0% |
| Land area | 109.98 sq mi (plus 0.16 sq mi of water) |
Source: U.S. Census Bureau, American Community Survey 5-year estimates (2020–2024) for ZIP Code Tabulation Area 57630. Census ZIP areas are close to, but not exactly the same as, USPS delivery areas.
ZIP codes near 57630
| ZIP code | City | Distance | Type |
|---|---|---|---|
| 57656 | Timber Lake, SD | 6.7 mi SW | Standard |
| 57657 | Trail City, SD | 9.6 mi E | Standard |
| 57661 | Whitehorse, SD | 12.4 mi S | PO Box only |
| 57639 | Little Eagle, SD | 16.7 mi N | PO Box only |
| 57642 | Mc Laughlin, SD | 18.6 mi N | Standard |
| 57652 | Ridgeview, SD | 22.9 mi SE | Standard |
| 57621 | Bullhead, SD | 23.2 mi N | PO Box only |
| 57601 | Mobridge, SD | 24.6 mi E | Standard |
| 57633 | Isabel, SD | 25.3 mi W | Standard |
| 57658 | Wakpala, SD | 25.6 mi NE | Standard |
| 57631 | Glenham, SD | 32 mi E | Standard |
| 57659 | Walker, SD | 32.9 mi N | Standard |
Straight-line distance between ZIP code center points. Find every ZIP code within 10 miles of 57630 or measure the distance to another ZIP code.
How to address mail to 57630
123 MAIN ST
GLENCROSS SD 57630
Put the city, the two-letter state code and the ZIP code on the last line. Adding the 4-digit ZIP+4 code (57630-XXXX) helps mail sort faster but isn’t required.
Questions
- What city is ZIP code 57630?
- 57630 is a Glencross, South Dakota ZIP code.
- What county is 57630 in?
- ZIP code 57630 is in Dewey County, South Dakota.
- What time zone is ZIP code 57630 in?
- 57630 is in the Mountain Time zone (America/Denver).
- What area code is 57630?
- Phone numbers in ZIP code 57630 use area code 605.
- What is the population of ZIP code 57630?
- About 11 people live in ZIP code 57630, according to the Census Bureau’s American Community Survey (2020–2024).
- What ZIP codes are near 57630?
- The nearest ZIP codes to 57630 are 57656 (Timber Lake, 6.7 miles), 57657 (Trail City, 9.6 miles), 57661 (Whitehorse, 12.4 miles) and 57639 (Little Eagle, 16.7 miles).