PlainZIP

New Underwood, SD · standard

ZIP Code 57761

Pennington County, South Dakota - Census ACS demographics, housing tenure, and business patterns, benchmarked against every US ZIP.

1,210
1/sq mi
$97,734
Median income
$253,100
Median home value
29.4%
Bachelor's or higher

The verdict

New Underwood pairs an upper-quartile household income with above-median home values, in a rural, homeowner-dominated area.

Top 21%
household income, US ZIPs
Top 42%
home value, US ZIPs
1
people per sq mi
83%
owner-occupied homes

Source: U.S. Census Bureau ACS 5-Year Estimates (2019–2023). Percentiles rank ZIP 57761 against every reporting US ZIP.

ZIP code 57761 is a sparsely populated ZIP (a standard USPS delivery area) in New Underwood, Pennington County, South Dakota, home to just 1,210 residents across 1344.4 square miles, a density of 1 people per square mile, in the Denver time zone.

ZIP 57761 lands in the middle-income range, with a median household income of $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%. The typical home here is valued at $253,100 (32% above the state average); renters pay a median of $847 monthly, and 82.6% of units are owner-occupied.

Educational attainment sits below the national norm: 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 on this page is sourced from the U.S. Census Bureau American Community Survey 5-Year Estimates (including median rent) and the FHFA House Price Index, no estimates, no proprietary scoring. Verify with Census →

Top industries in ZIP 57761

Top 5 sectors by establishment count in New Underwood, SD

Which industries have the most business establishments in ZIP 57761.

establishments

What this shows Establishment counts come from the Census ZIP Code Business Patterns program, which counts physical business locations rather than employees or revenue.

Source U.S. Census Bureau · ZIP Code Business Patterns (ZBP) As of 2023

Source: U.S. Census Bureau, American Community Survey 5-Year Estimates + ZIP Code Business Patterns + FHFA HPI ACS demographics and median rent, ZBP business establishments, 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; 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

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

Who lives in ZIP 57761?

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)

How much do residents earn?

$97,734

Median Household Income

+28% vs state

$36,587

Per Capita Income

11.3%

Poverty Rate

2.5%

Unemployment Rate

How ZIP 57761 ranks nationally

New Underwood, SD household income vs. every US ZIP code

Median household income, the full national distribution, with this ZIP marked

$97,734 Top 21% higher than 79% of 30,318 US ZIPs

$0–$20,000: 118 US ZIPs (0%). Below this entry. $20,000–$40,000: 1,573 US ZIPs (5%). Below this entry. $40,000–$60,000: 7,092 US ZIPs (23%). Below this entry. $60,000–$80,000: 9,980 US ZIPs (33%). Below this entry. $80,000–$100,000: 5,778 US ZIPs (19%). This entry sits in this band. $100,000–$120,000: 2,855 US ZIPs (9%). Above this entry. $120,000–$140,000: 1,362 US ZIPs (4%). Above this entry. $140,000–$160,000: 686 US ZIPs (2%). Above this entry. $160,000–$180,000: 364 US ZIPs (1%). Above this entry. $180,000–$200,000: 186 US ZIPs (1%). Above this entry. $200,000–$220,000: 324 US ZIPs (1%). Above this entry. This ZIP $0 $200K+ every reporting US ZIP, bucketed by value

Each bar is a $20K-wide band; taller bars hold more US ZIPs. The dashed line + filled bar mark this entry. Hover or tap any bar for its full count, share, and where it sits relative to this entry.

Source U.S. Census Bureau, ACS 5-Year Estimates · 2019–2023

Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)

What is the education profile here?

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

Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)

What does housing look like?

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)

What businesses operate in this ZIP?

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

57701 standard
Rapid City, SD
Pop: 43,462
57702 standard
Rapid City, SD
Pop: 32,980
57703 standard
Rapid City, SD
Pop: 14,205
57719 standard
Box Elder, SD
Pop: 6,217
57745 standard
Hill City, SD
Pop: 2,109
57790 standard
Wall, SD
Pop: 1,111

Related Areas

Pennington County New Underwood, SD South Dakota

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.

Read our methodology to see how this data is sourced, computed, and verified.