| City: | Manderson, South Dakota |
| County: | Oglala Lakota County |
| Timezone: | Mountain (GMT -07:00) |
| Local Time: | 9:37:27 PM |
| Population: | 939 [See All] |
| Area Code: | 605 |
| Classification: | PO Box |
| Coordinates: | 43.3057, -102.3941 |
| Land Area: | 66.42 sq mi |
| Quick Link: |
Manderson sits within Oglala Lakota County on the Pine Ridge Reservation in southwestern South Dakota. Of the 939 residents, 902 are Native American (96%). This is a Lakota community where extended families are common. The household ratio of 4.99 people per household is more than double the national average.
The Manderson post office spans 116 square miles of reservation territory. With 248 PO Boxes serving 188 households, the adoption rate of 1.32 means the post office serves both local residents and people from surrounding areas. Some families maintain multiple boxes, and the post office acts as a regional mail access point for this part of the reservation.
The road network here uses Bureau of Indian Affairs (BIA) route numbers instead of traditional street addressing. BIA 33 is the main thoroughfare with 23 delivery points. Other roads include BIA 59, BIA 28, and BIA 8. Street names like Black Elk Road, Wounded Knee Creek Drive, and Sunka Wakan Road (Lakota for "horse") honor tribal heritage and local geography.
Mail delivery combines both approaches. There's one city carrier route and one rural route covering the territory, plus PO Box service at the post office. This mixed delivery pattern accommodates both the small town center and the dispersed housing across reservation lands.
| Demographic | Value |
|---|---|
| Total Population | 939 |
| Native American | 902 (96%) |
| Median Age | 22.9 years |
| People per Household | 4.99 |
| Median Household Income | $23,269 |
This is a young community. The median age is 22.9 years, well below the national median. Median household income is $23,269. Among adults 25 and older, bachelor's degree attainment is 0%. The economy centers on tribal government and public administration, which employs 73 workers out of the local workforce. Transportation and warehousing provides another 35 jobs, and other services employ 55 people.
The housing stock includes 203 total units, with 188 occupied. There are 79 mobile homes, and 243 housing units were built before 1939. Median gross rent is $535. Of the occupied units, 84 are owner-occupied and 104 are renter-occupied.
Most residents use PO Box addresses:
[Recipient Name]
PO Box [Number]
Manderson, SD 57756Some street delivery is available using BIA route numbers or named roads.
Road network dominated by Bureau of Indian Affairs route numbers with cultural names like Black Elk Road and Sunka Wakan Road (Lakota for 'horse').
ZIP Code 57756 has 939 residents and 188 households (average 4.99 persons per household). The median age is 22.9 years, significantly younger than the state (37.7) and significantly younger than the nation (38.8). The gender split is 53.6% male and 46.4% female, which is higher than the national male share (49.1%), making this a male-majority area. Largest groups are American Indian & Alaska Native (96.1%, much higher than the state average of 8.8% and well above the national average of 1.1%) and Hispanic or Latino (2.7%); Hispanic or Latino residents make up 2.7%, which is much lower than the national average (18.7%), and American Indian & Alaska Native share is much higher than both the state (8.8%) and national averages (1.1%).
Explore More:Population Over TimeBy Age & GenderBy RaceBy GenderNativity & Citizenship
| 2020 Population: | 939Source: Census DHC |
| 2024 ACS Population Estimate: | 922Source: Census ACS |
| 2026 ZC Population Estimate: | 4Source: ZIP-Codes.com |
| Population Density: | 14.1 people per sq mile |
| Average Income: | $23,269Source: Census ACS |
| Households: | 188Source: Census DHC |
| Average House Value: | $0Source: Census ACS |
| Persons Per Household: | 4.99Source: Census DHC |
| Average Family Size: | 5.57Source: Census ACS |
| Group | 2010 | 2011 | 2102 | 2013 | 2014 | 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Census ACS Population Estimate | -- | 911 | 888 | 1,387 | 1,349 | 1,116 | 1,222 | 1,231 | 698 | 568 | 721 | 564 | 681 | 922 |
| Decennial Census | 1,126 | -- | -- | -- | -- | -- | -- | -- | -- | -- | 939 | -- | -- | -- |
Median Age: 22.9
Male Median Age: 22.5
Female Median Age: 24.1
| 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 | 60 | 56 | 56 | 63 | 29 | 42 | 31 | 21 | 20 | 22 | 28 | 22 | 16 | 21 | 4 | 5 | 7 | 0 |
| Female | 42 | 63 | 49 | 44 | 26 | 18 | 26 | 19 | 15 | 24 | 36 | 19 | 15 | 19 | 12 | 7 | 1 | 1 |
| Total | 102 | 119 | 105 | 107 | 55 | 60 | 57 | 40 | 35 | 46 | 64 | 41 | 31 | 40 | 16 | 12 | 8 | 1 |
| White: | 16 | 1.68% |
| Black: | 2 | 0.21% |
| Hispanic:* | 25 | 2.63% |
| Asian: | 0 | 0% |
| American Indian: | 902 | 94.75% |
| Hawaiian: | 0 | 0% |
| Other: | 7 | 0.74% |
| Total: | 952 | 100% |
| Gender | Count | % | Median Age |
|---|---|---|---|
| Males: | 503 | 53.57% | 22.5 years |
| Females: | 436 | 46.43% | 24.1 years |
| Total: | 939 | 100% | 22.9 years |
| Native, born in the United States: | 922 | 100.00% |
| 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: | 0 | 0.00% |
| Total Population: | 922 | 100% |
| Total Native Population: | 922 | 100.00% |
| Total Foreign-born Population: | 0 | 0.00% |
In 2023, the Median household income is $23,269, which is considerably lower than the national median ($78,538), is up $1,892 (8.9%) since 2011 and above its 2019 pre-pandemic level by $23,269. Family households earn a median of $23,942 versus $0 for nonfamily households (a difference of $23,942). By gender, male median income is $0 and female is $0, which is well under the state female median ($46,986), with a current gap of $0 that has narrowed from 2011 to 2023. The labor-force participation rate is 19.3%, which is far less than the state rate (67.5%). The unemployment rate is 4.4%, which is markedly higher than the state rate (3.0%). The largest occupation group is Service (32.4%).
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 | $21,377 | $21,278 | $21,667 | $17,353 | $14,792 | $21,786 | $0 | $25,568 | $0 | $28,799 | $0 | $0 | $23,269 |
| Median Family Income | $21,864 | $21,676 | $22,622 | $20,750 | $16,667 | $23,667 | $27,375 | $31,250 | $38,824 | $29,510 | $27,578 | $23,261 | $23,942 |
| Median NonFamily Income | $9,609 | $12,500 | $9,464 | $9,423 | $10,139 | $0 | $11,125 | $11,458 | $0 | $0 | $0 | $2,499 | $0 |
| Median Male Income | $21,927 | $30,769 | $24,125 | $22,115 | $0 | $0 | $15,917 | $0 | $0 | $12,961 | $0 | $0 | $0 |
| Median Female Income | $18,642 | $18,401 | $18,594 | $20,694 | $0 | $22,000 | $30,625 | $31,061 | $0 | $0 | $0 | $0 | $0 |
| Employed: | 108 | 18.43% |
| Unemployed: | 5 | 0.85% |
| Not In Labor Force: | 473 | 80.72% |
| Total: | 586 | 100% |
| Management, business, science, and arts: | 0 | 0.00% |
| Service: | 35 | 32.41% |
| Sales and Office: | 29 | 26.85% |
| Natural resources, construction, and maintenance: | 18 | 16.67% |
| Production, transportation, and material moving: | 26 | 24.07% |
| Total Civilian Employed Population: | 108 | 100% |
In 2023, the median home value is $0, which is considerably lower than the state median ($236,800), is down $23,000 (100.00%) since 2011 and below its 2019 pre-pandemic level by $13,500. The median gross rent is $535, which is far less than the national median ($1,348), is up $69 (14.81%) since 2011 and above its 2019 pre-pandemic level by $26. Of occupied housing, owners make up 9.18% (0.00% with a mortgage, 100.00% free-and-clear) and renters 90.82% - making this ZIP Code less home ownership than the state and higher than national rental averages. The vacancy rate is 19.34%, which is much higher than the national rate (10.43%).
Explore More:Compare Home ValueHome Value Over TimeRent & Over TimeHousing Occupancy
| Group | 2011 | 2102 | 2013 | 2014 | 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Median Home Value | $23,000 | $23,100 | $23,400 | $30,300 | $34,200 | $25,000 | $0 | $25,700 | $13,500 | $0 | $0 | $0 | $0 |
| Less than $500: | 29 | 16.29% |
| $500 to $999: | 117 | 65.73% |
| $1,000 to $1,499: | 0 | 0.00% |
| $1,500 to $1,999: | 0 | 0.00% |
| $2,000 to $2,499: | 0 | 0.00% |
| $2,500 to $2,999: | 0 | 0.00% |
| $3,000 or more: | 0 | 0.00% |
| No Rent: | 32 | 17.98% |
| Total: | 178 | 100% |
| Group | 2011 | 2102 | 2013 | 2014 | 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Median Rent | $466 | $453 | $363 | $357 | $297 | $267 | $291 | $420 | $509 | $473 | $553 | $539 | $535 |
| Owner Occupied (with mortgage): | 0 | 0.00% |
| Owner Occupied (free and clear, no mortgage): | 18 | 9.18% |
| Renter Occupied: | 178 | 90.82% |
| Total Occupied Housing Units: | 196 | 100% |
| Occupied Housing Units: | 196 | 80.66% |
| Vacant Housing Units (not graphed): | 47 | 19.34% |
| Total Housing Units: | 243 | 100% |
| Single-Family Units: | 164 | 67.49% |
| Multi-Family Units: | 0 | 0.00% |
| Other Units: | 79 | 32.51% |
| Total Housing Units: | 243 | 100% |
In 2023, 0.00% of adults (25+) have a bachelor's degree or higher, which is far lower than the national rate (35.00%). High school or higher is 82.20%, which is on par with the state rate (93.00%). The uninsured rate is 25.90%, which is far higher than the national rate (8.60%). Private coverage is 0.00%, which is markedly below the state rate (72.80%). Public coverage is 74.10%, which is markedly above the state rate (30.80%). The share of people in poverty is 100.00%, which is markedly above the state rate (7.40%), up 40.00 percentage points since 2011 and above its 2019 pre-pandemic level by 61.80 percentage points. This signals a sharp increase in hardship - a shrinking consumer base, heavy pressure on public services, and job-market contraction risks. Among residents ages 3+, the largest enrollment group is pre-K (32.20%). College enrollment is 24.58%, which is on par with the state rate (21.60%), meaning the community mirrors broader higher-education participation.
Explore More:Educational AttainmentHealth InsurancePoverty Over TimeSchool Enrollment
| Less than 9th grade: | 29 | 6.36% |
| 9th to 12th grade, no diploma: | 52 | 11.40% |
| High school graduate (includes equivalency): | 209 | 45.83% |
| Some college, no degree: | 148 | 32.46% |
| Associate's degree: | 18 | 3.95% |
| Bachelor's degree: | 0 | 0.00% |
| Graduate or professional degree: | 0 | 0.00% |
| Total: | 456 | 100% |
| High school or higher: | 375 | 82.24% |
| Bachelor's degree or higher: | 0 | 0.00% |
| Private Insurance: | 0 | 0.00% |
| Public Insurance: | 683 | 74.08% |
| No Insurance: | 239 | 25.92% |
| Total: | 922 | 100% |
| Has Health Insurance: | 683 | 74.08% |
| Group | 2011 | 2102 | 2013 | 2014 | 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| % of People in Poverty | 60.0% | 62.7% | 63.5% | 68.6% | 68.2% | 55.4% | 49.6% | 40.0% | 38.2% | 57.9% | 83.7% | 100.0% | 100.0% |
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: | 76 | 32.20% |
| Kindergarten: | 0 | 0.00% |
| Elementary school (grades 1-8): | 46 | 19.49% |
| High school (grades 9-12): | 56 | 23.73% |
| College or graduate school: | 58 | 24.58% |
| Total: | 236 | 100% |
| Early Childhood: | 76 | 32.20% |
| K-12 (Primary & Secondary School): | 102 | 43.22% |
ZIP Code 57756 supports both business and residential activity. According to the Business Census (2024), there are 3 business establishments, employing about 57 people with an annual payroll of $2,295,000. USPS data shows 1 residential mailboxes and 0 business mailboxes, reflecting local delivery coverage.
| # Residential Mailboxes: | 1Source: USPS |
| # Business Mailboxes: | 0Source: USPS |
| Total Delivery Receptacles: | 230Source: USPS |
| Single Family Delivery Units: | 1Source: USPS |
| Multi Family Delivery Units: | 0Source: USPS |
| # of Businesses: | 3Source: CBP |
| 1st Quarter Payroll: | $516,000Source: CBP |
| Annual Payroll: | $2,295,000Source: CBP |
| # of Employees: | 57Source: CBP |
ZIP Code 57756 is located in Oglala Lakota County, South Dakota, within the Metropolitan Statistical Area (CBSA ). This area has a population of 0 people, about 0.00% of whom live in ZIP Code 57756. It covers 66.42 sq mi of land and a water area of 0 sq mi.
| CBSA Name: | --Source: Census |
| CBSA Number: | --Source: Census |
| CBSA Type: | --Source: Census |
| CBSA Division: | --Source: Census |
| CBSA Population: | 0Source: Census |
| MSA: | Source: Census |
| Land Area: | 66.42 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: | --Source: Census |
| Place Name: | --Source: Census |
We could not locate which school district 57756 belongs to, but we will update this once new district data is released. There are 1 public school(s) in this ZIP Code, and we have located 3 private school(s). 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 January 1, 2026.