ZIP Code 57470

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Rockham · Faulk County · South Dakota

ZIP code 57470 in Rockham, South Dakota has a population of 143. The median household income is $108,281, which is 42% above the national average. Median home value is $201,400, 28% below the US average. 22.4% of residents hold a bachelor's degree or higher.

ZIP code 57470 is classified by USPS as a standard delivery area and covers roughly 357.5 square miles in Rockham, Faulk County, South Dakota. The area is home to 143 residents, producing a population density of 0 people per square mile, and falls within the Chicago time zone. These USPS and Census boundary values drive every downstream statistic on this page, including the benchmarks that compare 57470 against South Dakota and the nation.

On the economic side, the median household income for ZIP 57470 sits at $108,281 (41% above the South Dakota average), while per-capita income is $22,864. The poverty rate stands at 59.1% and the unemployment rate at 1.1%. On housing, the median home value is $201,400 (5% above the state average) with median rent at per month, and 100.0% of occupied units are owner-occupied — a direct signal of whether 57470 behaves more like a homeowner neighborhood or a renter-heavy ZIP.

Education and household profile round out the picture: 22.4% of adults hold a bachelor's degree or higher, the median age is 13.6, and the average commute is . Use the benchmarks above to see where 57470 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 →

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 57470, Rockham, 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

143

Population

357.5

Area (sq mi)

0

People / sq mi

Chicago

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

13.6

Median Age

54.5%

Male

45.5%

Female

0.0%

Foreign-Born

White 98.8%
African American 0.0%
Asian 0.0%
American Indian or Alaska Native 0.0%
Native Hawaiian or Pacific Islander 0.0%
Two or More Ethnicities 1.2%
Hispanic or Latino 0.0%

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

$108,281

Median Household Income

+41% vs state

$22,864

Per Capita Income

59.1%

Poverty Rate

1.1%

Unemployment Rate

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

Education

High School Graduate or Higher 69.8%
Bachelor's Degree or Higher 22.4%

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

Housing

79

Total Housing Units

55

Occupied Units

24

Vacant Units

4.40

Avg Household Size

Occupancy Type

Owner 100.0%
Renter 0.0%

$201,400

Median Home Value

+5% vs state

1971

Median Year Built

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

More ZIP Codes in Faulk County

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Frequently Asked Questions

What county is ZIP code 57470 in?
ZIP code 57470 (Rockham) is located in Faulk County, South Dakota. Faulk County contains multiple ZIP codes — see the full list at /counties/faulk-sd.
What is the population of ZIP code 57470?
ZIP code 57470 in Rockham, SD has a population of 143 according to the Census Bureau ACS 2023 estimates.
What is the median household income in ZIP 57470?
The median household income in ZIP 57470 is $108,281, which is 42% above the national average of $76,288.
What is the average home value in ZIP 57470?
The median home value in ZIP 57470 is $201,400, which is 28% below the national average of $278,155.
What is the demographic makeup of ZIP 57470?
The largest racial group in ZIP 57470 is White at 98.8%.
What is the education level in ZIP code 57470?
In ZIP code 57470, 69.8% of residents aged 25+ have a high school diploma or higher, and 22.4% hold a bachelor's degree or higher. These figures come from the Census Bureau ACS 5-Year Estimates (2023).
What is the poverty rate in ZIP code 57470?
The poverty rate in ZIP code 57470 is 59.1% 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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