ZIP Code 57761

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New 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)

Top 5 industries — ZIP 57761 (establishments) Horizontal bar chart of the top 5 items by value (establishments). Top 5 industries — ZIP 57761 (establishments) Top 5 1. Construction 12 2. Retail trade 5 3. Transportation and warehousing 5 4. Finance and insurance 4 5. Professional, scientific, and te 3 Top 5 NAICS sectors by establishment count in ZIP 57761. Source: U.S. Census Bureau ZIP Code Business Patterns (ZBP).

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

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ZIP Type

Neighborhood Scorecard
Get an A-F grade across income, safety, housing, rent, education, commute, and childcare for this ZIP code.
View Scorecard →

Demographics

42.6

Median Age

49.2%

Male

50.8%

Female

0.7%

Foreign-Born

White 89.1%
African American 0.0%
Asian 0.0%
American Indian or Alaska Native 4.9%
Native Hawaiian or Pacific Islander 0.0%
Two or More Ethnicities 3.9%
Hispanic or Latino 4.3%

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

High School Graduate or Higher 63.6%
Bachelor's Degree or Higher 29.4%

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

Owner 82.6%
Renter 17.4%

$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

Related Areas

Frequently Asked Questions

What county is ZIP code 57761 in?
ZIP code 57761 (New Underwood) is located in Pennington County, South Dakota. Pennington County contains multiple ZIP codes — see the full list at /counties/pennington-sd.
What is the population of ZIP code 57761?
ZIP code 57761 in New Underwood, SD has a population of 1,210 according to the Census Bureau ACS 2023 estimates.
What is the median household income in ZIP 57761?
The median household income in ZIP 57761 is $97,734, which is 28% above the national average of $76,288.
What is the average home value in ZIP 57761?
The median home value in ZIP 57761 is $253,100, which is 9% below the national average of $278,155.
What is the demographic makeup of ZIP 57761?
The largest racial group in ZIP 57761 is White at 89.1%. Hispanic or Latino residents make up 4.3% of the population.
How many businesses are in ZIP code 57761?
ZIP code 57761 has 36 business establishments employing approximately 138 people, according to Census Bureau ZIP Code Business Patterns (ZBP) 2023 data.
What are the main industries in ZIP code 57761?
The top industries by establishment count in ZIP 57761 are: Construction (12), Retail trade (5), Transportation and warehousing (5). There are 5 industry sectors represented in total.
What is the education level in ZIP code 57761?
In ZIP code 57761, 63.6% of residents aged 25+ have a high school diploma or higher, and 29.4% hold a bachelor's degree or higher. These figures come from the Census Bureau ACS 5-Year Estimates (2023).
What percentage of residents own vs. rent in ZIP 57761?
In ZIP code 57761, approximately 82.6% of occupied housing units are owner-occupied and 17.4% are renter-occupied, based on Census ACS 2023 data.
What is the poverty rate in ZIP code 57761?
The poverty rate in ZIP code 57761 is 11.3% according to Census Bureau ACS 2023 estimates. This measures the percentage of the population living below the federal poverty threshold.

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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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