ZIP Code 57630
ZIP Code Tabulation Area in Dewey County, South Dakota.
- Population
- 21
- Median household income
- $197,500
-19.2%’19–’23
Covering part of Dewey County, South Dakota, ZIP Code 57630 has about 21 residents. Its median household income of $197,500 runs above the Dewey County figure of $57,928.
From 2019 to 2023, ZIP Code 57630's population declined 19.2% from 26 to 21.
The median resident is 55.4 years old. The largest age group is 45 to 54, 42.9% of residents.
Demographics
ACS 2019–2023- Population
- 21
- Median age
- 55.4 yrs
- Median household income
- $197,500
- Median home value
- —
- Median gross rent
- —
- Housing units
- 19
- Homeownership rate
- 100.0%
- Bachelor's degree or higher
- 33.3%
- Unemployment rate
- 0.0%
Trends
ACS 5-year · 2019–20232621
$212,500$200,000
| Year | Population | Median household income | Median home value |
|---|---|---|---|
| 2019 | 26 | — | — |
| 2020 | 27 | — | — |
| 2021 | 33 | — | $212,500 |
| 2022 | 31 | — | $200,000 |
| 2023 | 21 | $197,500 | — |
Each year is a US Census Bureau ACS 5-year estimate ending that year.
Age distribution
Under 50.0%
5 to 170.0%
18 to 240.0%
25 to 340.0%
35 to 440.0%
45 to 5442.9%
55 to 6442.9%
65 to 740.0%
75 and over14.3%
| Count | Share | |
|---|---|---|
| Under 5 | 0 | 0.0% |
| 5 to 17 | 0 | 0.0% |
| 18 to 24 | 0 | 0.0% |
| 25 to 34 | 0 | 0.0% |
| 35 to 44 | 0 | 0.0% |
| 45 to 54 | 9 | 42.9% |
| 55 to 64 | 9 | 42.9% |
| 65 to 74 | 0 | 0.0% |
| 75 and over | 3 | 14.3% |
Race & ethnicity
| Count | Share | |
|---|---|---|
| White (non-Hispanic) | 16 | 76.2% |
| Black or African American | 0 | 0.0% |
| American Indian & Alaska Native | 5 | 23.8% |
| Asian | 0 | 0.0% |
| Native Hawaiian & Pacific Islander | 0 | 0.0% |
| Some other race | 0 | 0.0% |
| Two or more races | 0 | 0.0% |
| Hispanic or Latino (any race) | 0 | 0.0% |
Educational attainment (age 25+)
No high school diploma0.0%
High school graduate38.1%
Some college or associate's28.6%
Bachelor's degree19.0%
Graduate or professional degree14.3%
| Count | Share | |
|---|---|---|
| No high school diploma | 0 | 0.0% |
| High school graduate | 8 | 38.1% |
| Some college or associate's | 6 | 28.6% |
| Bachelor's degree | 4 | 19.0% |
| Graduate or professional degree | 3 | 14.3% |
Commute to work
Drove alone66.7%
Carpooled0.0%
Public transit0.0%
Walked0.0%
Bicycle0.0%
Worked from home33.3%
Other means0.0%
How workers get to work
| Count | Share | |
|---|---|---|
| Drove alone | 8 | 66.7% |
| Carpooled | 0 | 0.0% |
| Public transit | 0 | 0.0% |
| Walked | 0 | 0.0% |
| Bicycle | 0 | 0.0% |
| Worked from home | 4 | 33.3% |
| Other means | 0 | 0.0% |
Travel time
| Count | Share | |
|---|---|---|
| Under 15 min | 0 | 0.0% |
| 15 to 29 min | 6 | 75.0% |
| 30 to 44 min | 2 | 25.0% |
| 45 to 59 min | 0 | 0.0% |
| 60+ min | 0 | 0.0% |
Households
- Average household size
- 1.31
- Poverty rate
- 0.0% (0 of 21)
| Count | Share | |
|---|---|---|
| Family households | 7 | 43.8% |
| Nonfamily households | 9 | 56.3% |
Housing
- Median year structure built
- 1949
Occupancy
| Count | Share | |
|---|---|---|
| Occupied | 16 | 84.2% |
| Vacant | 3 | 15.8% |
Tenure (of occupied units)
| Count | Share | |
|---|---|---|
| Owner-occupied | 16 | 100.0% |
| Renter-occupied | 0 | 0.0% |
1-unit, detached84.2%
1-unit, attached15.8%
2 to 4 units0.0%
5 to 19 units0.0%
20 or more units0.0%
Mobile home & other0.0%
Units in structure
| Count | Share | |
|---|---|---|
| 1-unit, detached | 16 | 84.2% |
| 1-unit, attached | 3 | 15.8% |
| 2 to 4 units | 0 | 0.0% |
| 5 to 19 units | 0 | 0.0% |
| 20 or more units | 0 | 0.0% |
| Mobile home & other | 0 | 0.0% |
Geography
- ZCTA
- 57630
- Land area
- 110 sq mi
- Water area
- 0.16 sq mi
- Center point
- 45.3338, -100.8440
Counties this ZIP covers
1Compare with nearby ZIP codes
6National ZIP rankings
21- Largest by population
- Most densely populated
- Highest median household income
- Highest median home value
- Most affordable home values
- Highest median gross rent
- Cheapest median gross rent
- Oldest by median age
- Youngest by median age
- Most college-educated
- Highest poverty rate
- Lowest poverty rate
- Highest homeownership rate
- Lowest homeownership rate
- Longest commutes
- Shortest commutes
- Largest households
- Newest housing
- Oldest housing
- Fastest-growing (2019–2023)
- Fastest-shrinking (2019–2023)