ZIP Code 57761
standardNew Underwood · Pennington County · South Dakota
ZIP code 57761 in New Underwood, South Dakota has a population of 1,210. The median household income is $97,734, which is 28% above the national average. Median home value is $253,100, 9% below the US average. 29.4% of residents hold a bachelor's degree or higher.
ZIP code 57761 is classified by USPS as a standard delivery area and covers roughly 1344.4 square miles in New Underwood, Pennington County, South Dakota. The area is home to 1,210 residents, producing a population density of 1 people per square mile, and falls within the Denver time zone. These USPS and Census boundary values drive every downstream statistic on this page, including the benchmarks that compare 57761 against South Dakota and the nation.
On the economic side, the median household income for ZIP 57761 sits at $97,734 (28% above the South Dakota average), while per-capita income is $36,587. The poverty rate stands at 11.3% and the unemployment rate at 2.5%. On housing, the median home value is $253,100 (32% above the state average) with median rent at $847 per month, and 82.6% of occupied units are owner-occupied — a direct signal of whether 57761 behaves more like a homeowner neighborhood or a renter-heavy ZIP.
Education and household profile round out the picture: 29.4% of adults hold a bachelor's degree or higher, the median age is 42.6, and the average commute is —. Use the benchmarks above to see where 57761 sits relative to South Dakota and the national baseline rather than viewing the numbers in isolation. Every figure is sourced from the U.S. Census Bureau American Community Survey 5-Year Estimates, HUD Fair Market Rents, and FHFA Home Price Index data — no estimates, no proprietary scoring. Verify with HUD →
Top industries in ZIP 57761
Top 5 industries — ZIP 57761 (establishments)
Source: U.S. Census Bureau — American Community Survey 5-Year Estimates + ZIP Code Business Patterns + HUD FMR + FHFA HPI ACS demographics, ZBP business establishments, HUD Fair Market Rents, FHFA HPI for ZIP 57761, New Underwood, SD · 2023 Census ACS 5-Year Estimates use a rolling 60-month sample for stable small-geography estimates; ZBP updated annually; HUD FMR + FHFA HPI updated quarterly/annually.
Quick Facts
1,210
Population
1344.4
Area (sq mi)
1
People / sq mi
Denver
Time Zone
standard
ZIP Type
Demographics
42.6
Median Age
49.2%
Male
50.8%
Female
0.7%
Foreign-Born
Hispanic or Latino is an ethnicity category from the Census Bureau and may overlap with other categories above.
Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)
Income & Employment
$97,734
Median Household Income
+28% vs state
$36,587
Per Capita Income
11.3%
Poverty Rate
2.5%
Unemployment Rate
Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)
Education
Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)
Housing
447
Total Housing Units
385
Occupied Units
62
Vacant Units
2.95
Avg Household Size
Occupancy Type
$253,100
Median Home Value
+32% vs state
$847
Median Rent
1985
Median Year Built
Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)
Local Business Landscape
Census Bureau data shows 36 business establishments in ZIP 57761, employing approximately 138 people with a combined annual payroll of $5,679,000.
36
Businesses
138
Employees
$5.7M
Annual Payroll
5
Industry Sectors
| Industry | Establishments | % of Total |
|---|---|---|
| Construction | 12 | 33.3% |
| Retail trade | 5 | 13.9% |
| Transportation and warehousing | 5 | 13.9% |
| Finance and insurance | 4 | 11.1% |
| Professional, scientific, and technical services | 3 | 8.3% |
Source: U.S. Census Bureau, ZIP Code Business Patterns (ZBP), 2023. Employment figures may include noise for disclosure avoidance.
More ZIP Codes in Pennington County
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Frequently Asked Questions
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ZIP Code Research Guides
Research New Underwood, SD on Other Data Sources
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Source: U.S. Census Bureau, ACS 5-Year Estimates (2023). Business data: Source: Census ZIP Code Business Patterns (ZBP) 2023. Home value trends: Source: FHFA House Price Index (HPI), Five-Digit ZIP Codes.
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