| City: | Spearfish, South Dakota |
| Names to Avoid: | Black Hills State University |
| County: | Lawrence County |
| Timezone: | Mountain (GMT -07:00) |
| Local Time: | 9:38:43 PM |
| Population: | 675 [See All] |
| Area Code: | 605 |
| Classification: | Unique [Company/Government] |
| Coordinates: | 44.4987, -103.8726 |
| Land Area: | 0.188 sq mi |
| Quick Link: |
Black Hills State University, a public liberal arts institution founded in 1883, operates under dedicated ZIP code 57799 in Spearfish, South Dakota. The university's 123-acre campus serves approximately 4,000 students through three colleges: Liberal Arts, Business and Natural Sciences, and Education and Behavioral Sciences. BHSU offers over 120 majors and minors, 8 master's degree programs, and 17 pre-professional tracks. The Yellow Jackets compete in NCAA Division II as members of the Rocky Mountain Athletic Conference.
The campus occupies 0.15 square miles in Lawrence County, with the 2020 Census recording 675 residents and a median age of 20.4 years. About 96% of residents live in non-institutional group quarters, indicating dormitory housing. Mail routes through 1,163 distinct delivery codes across 74 named campus buildings, including the Student Union, Library, and various academic departments. Census ACS data shows educational and healthcare employment dominating the workforce. A satellite campus in Rapid City expands the university's regional reach. Spearfish is the valid mailing city.
| Population: | 675 |
| Median Age: | 20.4 |
| Housing Units: | 3 |
| Residential: | 0 |
| Business: | 1 |
Buildings registered in the USPS ZIP+4 database with designated codes for direct mail delivery.
ZIP Code 57799 has 675 residents and 3 households (average 8.67 persons per household). The median age is 20.4 years, significantly younger than the state (37.7) and significantly younger than the nation (38.8). The gender split is 36.3% male and 63.7% female, which is much lower than the state male share (50.3%), making this a female-majority area. Largest groups are White (82.1%, much higher than the national average of 61.6%) and American Indian & Alaska Native (9.8%, much higher than the national average of 1.1%); Hispanic or Latino residents make up 5.8%, which is much lower than the national average (18.7%).
Explore More:Population Over TimeBy Age & GenderBy RaceBy GenderNativity & Citizenship
| 2020 Population: | 675Source: Census DHC |
| 2024 ACS Population Estimate: | 578Source: Census ACS |
| 2026 ZC Population Estimate: | 0Source: ZIP-Codes.com |
| Population Density: | 3,590.4 people per sq mile |
| Average Income: | $0Source: Census ACS |
| Households: | 3Source: Census DHC |
| Average House Value: | $0Source: Census ACS |
| Persons Per Household: | 8.67Source: Census DHC |
| Average Family Size: | 12.00Source: Census ACS |
| Group | 2010 | 2011 | 2102 | 2013 | 2014 | 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Census ACS Population Estimate | -- | 576 | 559 | 559 | 534 | 623 | 684 | 690 | 684 | 688 | 680 | 626 | 565 | 578 |
| Decennial Census | 660 | -- | -- | -- | -- | -- | -- | -- | -- | -- | 675 | -- | -- | -- |
Median Age: 20.4
Male Median Age: 20.2
Female Median Age: 20.5
| Group | < 5 | 5-9 | 10-14 | 15-19 | 20-24 | 25-29 | 30-34 | 35-39 | 40-44 | 45-49 | 50-54 | 55-59 | 60-64 | 65-69 | 70-74 | 75-79 | 80-84 | 85+ |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Male | 1 | 1 | 1 | 100 | 138 | 3 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 |
| Female | 1 | 2 | 2 | 149 | 269 | 1 | 0 | 0 | 1 | 1 | 0 | 1 | 3 | 0 | 0 | 0 | 0 | 0 |
| Total | 2 | 3 | 3 | 249 | 407 | 4 | 0 | 0 | 1 | 1 | 0 | 2 | 3 | 0 | 0 | 0 | 0 | 0 |
| White: | 554 | 78.58% |
| Black: | 37 | 5.25% |
| Hispanic:* | 39 | 5.53% |
| Asian: | 9 | 1.28% |
| American Indian: | 66 | 9.36% |
| Hawaiian: | 0 | 0% |
| Other: | 0 | 0% |
| Total: | 705 | 100% |
| Gender | Count | % | Median Age |
|---|---|---|---|
| Males: | 245 | 36.30% | 20.2 years |
| Females: | 430 | 63.70% | 20.5 years |
| Total: | 675 | 100% | 20.4 years |
| Native, born in the United States: | 565 | 97.75% |
| Native, born in PR, Island Areas, or abroad: | 0 | 0.00% |
| Foreign born, naturalized U.S. citizen: | 0 | 0.00% |
| Foreign born, not a U.S. citizen: | 13 | 2.25% |
| Total Population: | 578 | 100% |
| Total Native Population: | 565 | 97.75% |
| Total Foreign-born Population: | 13 | 2.25% |
In 2023, the Median household income is $0, which is far less than the state median ($72,421), and above its 2019 pre-pandemic level by $0. Family households earn a median of $0 versus $0 for nonfamily households (a difference of $0). By gender, male median income is $0 and female is $9,327, which is well under the national female median ($53,445), with a current gap of $9,327 that has narrowed from 2011 to 2023. The labor-force participation rate is 66.8%, which is higher than the national rate (63.5%). The unemployment rate is 9.8%, which is much higher than the state rate (3.0%). The largest occupation group is Service (44.5%).
Explore More:Income Over TimeHousehold IncomeEmployment StatusBy Occupation
| Income Type | 2011 | 2012 | 2013 | 2014 | 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Median Household Income | $0 | $0 | $0 | $0 | $0 | $0 | $0 | $0 | $0 | $0 | $0 | $0 | $0 |
| Median Family Income | $0 | $0 | $0 | $0 | $0 | $0 | $0 | $0 | $0 | $0 | $0 | $0 | $0 |
| Median NonFamily Income | $0 | $0 | $0 | $0 | $0 | $0 | $0 | $0 | $0 | $0 | $0 | $0 | $0 |
| Median Male Income | $9,545 | $9,444 | $11,033 | $10,568 | $10,625 | $10,764 | $10,921 | $10,375 | $11,000 | $15,227 | $7,188 | $6,406 | $0 |
| Median Female Income | $10,417 | $11,250 | $14,792 | $14,375 | $14,167 | $0 | $0 | $0 | $0 | $0 | $0 | $0 | $9,327 |
| Employed: | 348 | 60.21% |
| Unemployed: | 38 | 6.57% |
| Not In Labor Force: | 192 | 33.22% |
| Total: | 578 | 100% |
| Management, business, science, and arts: | 33 | 9.48% |
| Service: | 155 | 44.54% |
| Sales and Office: | 131 | 37.64% |
| Natural resources, construction, and maintenance: | 3 | 0.86% |
| Production, transportation, and material moving: | 26 | 7.47% |
| Total Civilian Employed Population: | 348 | 100% |
In 2023, 21.10% of adults (25+) have a bachelor's degree or higher, which is comparable to the national rate (35.00%). High school or higher is 100.00%, which is comparable to the national rate (89.40%). The uninsured rate is 10.20%, which is comparable to the national rate (8.60%). Private coverage is 88.80%, which is well above the national rate (67.30%). Public coverage is 11.20%, which is far lower than the national rate (36.30%). Insufficient data for poverty. Among residents ages 3+, the largest enrollment group is college (100.00%). College enrollment is 100.00%, which is markedly above the state rate (21.60%), indicating the community is likely a college hub with student-driven housing and services.
Explore More:Educational AttainmentHealth InsurancePoverty Over TimeSchool Enrollment
| Less than 9th grade: | 0 | 0.00% |
| 9th to 12th grade, no diploma: | 0 | 0.00% |
| High school graduate (includes equivalency): | 0 | 0.00% |
| Some college, no degree: | 13 | 68.42% |
| Associate's degree: | 2 | 10.53% |
| Bachelor's degree: | 0 | 0.00% |
| Graduate or professional degree: | 4 | 21.05% |
| Total: | 19 | 100% |
| High school or higher: | 19 | 100.00% |
| Bachelor's degree or higher: | 4 | 21.05% |
| Private Insurance: | 513 | 80.53% |
| Public Insurance: | 65 | 10.20% |
| No Insurance: | 59 | 9.26% |
| Total: | 637 | 100% |
| Has Health Insurance: | 578 | 90.74% |
| Group | 2011 | 2102 | 2013 | 2014 | 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| % of People in Poverty | -666,666,666.0% | -666,666,666.0% | -666,666,666.0% | -666,666,666.0% | -666,666,666.0% | -666,666,666.0% | -666,666,666.0% | -666,666,666.0% | -666,666,666.0% | 0.0% | 0.0% | 0.0% | 0.0% |
Note: Counts of Families & People in poverty are not published at the ZIP Code level due to small sample sizes. Percentages shown are survey estimates from the American Community Survey (ACS). They may differ from official poverty statistics. The U.S. Census Bureau defines poverty status by comparing a family's or individual's total income with federal poverty thresholds that vary by family size and composition.
| Nursery School, Preschool: | 0 | 0.00% |
| Kindergarten: | 0 | 0.00% |
| Elementary school (grades 1-8): | 0 | 0.00% |
| High school (grades 9-12): | 0 | 0.00% |
| College or graduate school: | 574 | 100.00% |
| Total: | 574 | 100% |
| Early Childhood: | 0 | 0.00% |
| K-12 (Primary & Secondary School): | 0 | 0.00% |
ZIP Code 57799 is assigned to a single organization or institution. Detailed business demographics are not published for unique ZIP Codes. USPS data shows 0 residential mailboxes and 1 business mailboxes, reflecting local delivery coverage.
| # Residential Mailboxes: | 0Source: USPS |
| # Business Mailboxes: | 1Source: USPS |
| Total Delivery Receptacles: | 1Source: USPS |
| Single Family Delivery Units: | 0Source: USPS |
| Multi Family Delivery Units: | 0Source: USPS |
| # of Businesses: | 0Source: CBP |
| 1st Quarter Payroll: | $0Source: CBP |
| Annual Payroll: | $0Source: CBP |
| # of Employees: | 0Source: CBP |
ZIP Code 57799 is located in Lawrence County, South Dakota, within the Spearfish, SD Metropolitan Statistical Area (CBSA 43940). This Micro area has a population of 26,574 people, about 2.54% of whom live in ZIP Code 57799. It covers 0.188 sq mi of land and a water area of 0 sq mi.
| CBSA Name: | Spearfish, SDSource: Census |
| CBSA Number: | 43940Source: Census |
| CBSA Type: | MicroSource: Census |
| CBSA Division: | --Source: Census |
| CBSA Population: | 26,574Source: Census |
| MSA: | Source: Census |
| Land Area: | 0.188 sq miSource: Census |
| Water Area: | --Source: Census |
| Congressional District: | No DistrictsSource: USPS |
| Congressional Land Area: | sq miSource: Census |
| PMSA: | Source: Census |
| Intro Date: | < 2004-10Source: ZIP-Codes.com |
| Place FIPS Code: | 4660020Source: Census |
| Place Name: | Spearfish city; South DakotaSource: Census |
We could not locate which school district 57799 belongs to, but we will update this once new district data is released. There are no public schools nor private schools with a mailing address in this ZIP Code. Listing Nearby schools instead. It also has 6 colleges, universities or post secondary education institutions nearby which would be a short commute to.
Our sources include trusted federal and licensed data from the United States Postal Service, U.S. Census Bureau, U.S. Geological Survey, Centers for Medicare & Medicaid Services, and the National Center for Education Statistics, along with proprietary datasets created by ZIP-Codes.com. Data last updated on February 1, 2026.