ZIP Code 57717

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Belle Fourche · Butte County · South Dakota

ZIP code 57717 in Belle Fourche, South Dakota has a population of 8,007. The median household income is $77,689, which is 2% above the national average. Median home value is $249,200, 10% below the US average. 19.5% of residents hold a bachelor's degree or higher.

ZIP code 57717 is classified by USPS as a standard delivery area and covers roughly 3202.8 square miles in Belle Fourche, Butte County, South Dakota. The area is home to 8,007 residents, producing a population density of 3 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 57717 against South Dakota and the nation.

On the economic side, the median household income for ZIP 57717 sits at $77,689 (1% above the South Dakota average), while per-capita income is $39,455. The poverty rate stands at 8.7% and the unemployment rate at 1.7%. On housing, the median home value is $249,200 (30% above the state average) with median rent at $973 per month, and 73.2% of occupied units are owner-occupied — a direct signal of whether 57717 behaves more like a homeowner neighborhood or a renter-heavy ZIP.

Education and household profile round out the picture: 19.5% of adults hold a bachelor's degree or higher, the median age is 39.2, and the average commute is 25 minutes. Use the benchmarks above to see where 57717 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.

Top industries in ZIP 57717

Top 5 industries — ZIP 57717 (establishments) Horizontal bar chart of the top 5 items by value (establishments). Top 5 industries — ZIP 57717 (establishments) Top 5 1. Retail trade 59 2. Construction 51 3. Other services (except public ad 41 4. Health care and social assistanc 31 5. Accommodation and food services 31 Top 5 NAICS sectors by establishment count in ZIP 57717. 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 57717, Belle Fourche, 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

8,007

Population

3202.8

Area (sq mi)

3

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

39.2

Median Age

49.3%

Male

50.7%

Female

0.9%

Foreign-Born

White 90.8%
African American 0.0%
Asian 0.0%
American Indian or Alaska Native 1.2%
Native Hawaiian or Pacific Islander 0.2%
Two or More Ethnicities 7.1%
Hispanic or Latino 4.7%

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

$77,689

Median Household Income

+1% vs state

$39,455

Per Capita Income

8.7%

Poverty Rate

1.7%

Unemployment Rate

25.4 min

Mean Commute Time

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

Education

High School Graduate or Higher 56.8%
Bachelor's Degree or Higher 19.5%

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

Housing

3,970

Total Housing Units

3,647

Occupied Units

323

Vacant Units

2.43

Avg Household Size

Occupancy Type

Owner 73.2%
Renter 26.8%

$249,200

Median Home Value

+30% vs state

$973

Median Rent

1983

Median Year Built

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

Home Value Trends

FHFA House Price Index — annual appreciation data based on repeat sales and appraisals

+14.8%

YoY Change (2024)

326

HPI Index (2000 = 100)

+226%

Total Change Since 2000

Home values in ZIP 57717 have increased 14.8% over the past year (2024). Since 2000, this ZIP has seen +226% cumulative appreciation.

Year Annual Change HPI Index
2020 +1.6% 202
2021 +15.8% 234
2022 +20.5% 282
2023 +0.7% 283
2024 +14.8% 326

Source: Federal Housing Finance Agency (FHFA) House Price Index, All-Transactions, Five-Digit ZIP Codes (Developmental Index). Index base = 100 in year 2000. Data through 2024. ZIP codes with few transactions may show missing values.

Local Business Landscape

Census Bureau data shows 330 business establishments in ZIP 57717, employing approximately 2,122 people with a combined annual payroll of $87,348,000.

330

Businesses

2,122

Employees

$87.3M

Annual Payroll

14

Industry Sectors

Industry Establishments % of Total
Retail trade 59 17.9%
Construction 51 15.4%
Other services (except public administration) 41 12.4%
Health care and social assistance 31 9.4%
Accommodation and food services 31 9.4%
Professional, scientific, and technical services 21 6.4%
Transportation and warehousing 19 5.8%
Manufacturing 16 4.8%
Administrative and support and waste management and remediation services 15 4.5%
Finance and insurance 14 4.2%
Real estate and rental and leasing 11 3.3%
Wholesale trade 8 2.4%
Agriculture, forestry, fishing and hunting 5 1.5%
Arts, entertainment, and recreation 3 0.9%

Source: U.S. Census Bureau, ZIP Code Business Patterns (ZBP), 2023. Employment figures may include noise for disclosure avoidance.

More ZIP Codes in Butte County

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Frequently Asked Questions

What county is ZIP code 57717 in?
ZIP code 57717 (Belle Fourche) is located in Butte County, South Dakota. Butte County contains multiple ZIP codes — see the full list at /counties/butte-sd.
What is the population of ZIP code 57717?
ZIP code 57717 in Belle Fourche, SD has a population of 8,007 according to the Census Bureau ACS 2023 estimates.
What is the median household income in ZIP 57717?
The median household income in ZIP 57717 is $77,689, which is 2% above the national average of $76,288.
What is the average home value in ZIP 57717?
The median home value in ZIP 57717 is $249,200, which is 10% below the national average of $278,155.
What is the demographic makeup of ZIP 57717?
The largest racial group in ZIP 57717 is White at 90.8%. Hispanic or Latino residents make up 4.7% of the population.
How many businesses are in ZIP code 57717?
ZIP code 57717 has 330 business establishments employing approximately 2,122 people, according to Census Bureau ZIP Code Business Patterns (ZBP) 2023 data.
What are the main industries in ZIP code 57717?
The top industries by establishment count in ZIP 57717 are: Retail trade (59), Construction (51), Other services (except public administration) (41). There are 14 industry sectors represented in total.
How have home values changed in ZIP code 57717?
According to the FHFA House Price Index, home values in ZIP 57717 increased by 14.8% in 2024. Since 2000, home values in this ZIP have appreciated by approximately 226%. This is a developmental index based on repeat sales and appraisal data from Fannie Mae and Freddie Mac.
What is the education level in ZIP code 57717?
In ZIP code 57717, 56.8% of residents aged 25+ have a high school diploma or higher, and 19.5% hold a bachelor's degree or higher. These figures come from the Census Bureau ACS 5-Year Estimates (2023).
What is the average commute time in ZIP 57717?
The mean commute time for workers in ZIP code 57717 is 25.4 minutes according to Census ACS data. The national average is roughly 26 minutes, so commuters here spend less time traveling to work than typical.
What percentage of residents own vs. rent in ZIP 57717?
In ZIP code 57717, approximately 73.2% of occupied housing units are owner-occupied and 26.8% are renter-occupied, based on Census ACS 2023 data.
What is the poverty rate in ZIP code 57717?
The poverty rate in ZIP code 57717 is 8.7% 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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