ZIP Code 57634 in Keldron, SD

Data Last Updated: October 1, 2025
City:Keldron, South Dakota
County:Corson County
Timezone:Mountain (GMT -07:00)
Local Time:6:07:01 AM
Population:95 [See All]
Area Code:605
Classification:Standard [Normal Street Delivery]
Coordinates:45.7884, -101.8433
Land Area:201.498 sq mi
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Population & Demographics


ZIP Code 57634 has 95 residents and 40 households (average 2.38 persons per household). The median age is 35.5 years, slightly younger than the state (37.7) and younger than the nation (38.8). The gender split is 55.8% male and 44.2% female, which is higher than the national male share (49.1%), making this a male-majority area. Largest groups are White (86.3%, much higher than the national average of 61.6%) and American Indian & Alaska Native (9.5%, much higher than the national average of 1.1%); Hispanic or Latino residents make up 2.1%, which is much lower than the national average (18.7%).

Explore More:Population Over TimeBy Age & GenderBy RaceBy GenderNativity & Citizenship

Source: U.S. Census 2020 Demographics & Housing Characteristics (DHC) and U.S. Census 2011-2023 American Community Survey (ACS) 5-Year Estimates.
2020 Population:95Source: Census DHC
2023 ACS Population Estimate:155Source: Census ACS
2025 ZC Population Estimate:116Source: ZIP-Codes.com
Population Density:0.5 people per sq mile
Average Income:$0Source: Census ACS
Households:40Source: Census DHC
Average House Value:$93,800Source: Census ACS
Persons Per Household:2.38Source: Census DHC
Average Family Size:2.53Source: Census ACS

Population Over Time (with 2010 & 2020 Census Benchmarks)


Group20102011210220132014201520162017201820192020202120222023
Census ACS Population Estimate--951017612179103128183155202152157155
Decennial Census115------------------95------
Source: U.S. Census 2011-2023 American Community Survey 5-Year Estimates. DP05. DEMOGRAPHIC AND HOUSING ESTIMATES

Population by Age & Gender (Total, Male, Female)


Median Age: 35.5

Male Median Age: 32.5

Female Median Age: 38.5

Group< 55-910-1415-1920-2425-2930-3435-3940-4445-4950-5455-5960-6465-6970-7475-7980-8485+
Male163564432220175200
Female433214053041450300
Total5967784852615125500
Source: U.S. Census Bureau (2020) Demographics & Housing Characteristics (DHC)

Population by Race


White:8287.23%
Black:00%
Hispanic:*22.13%
Asian:11.06%
American Indian:99.57%
Hawaiian:00%
Other:00%
Total:94100%
Source: U.S. Census Bureau (2020) Demographics & Housing Characteristics (DHC)
* NOTE: Hispanic or Latino is an ethnicity, not a race. This means individuals who identify as Hispanic will also be included in one of the race categories (such as White or Black). As a result, the totals shown here may exceed 100% when Hispanic is displayed alongside racial groups.

Gender Breakdown


GenderCount%Median Age
Males:5355.79%32.5 years
Females:4244.21%38.5 years
Total:95100%35.5 years
Source: U.S. Census Bureau (2020) Demographics & Housing Characteristics (DHC)

Nativity & Citizenship


Native, born in the United States:155100.00%
Native, born in PR, Island Areas, or abroad:00.00%
Foreign born, naturalized U.S. citizen:00.00%
Foreign born, not a U.S. citizen:00.00%
Total Population:155100%
Total Native Population:155100.00%
Total Foreign-born Population:00.00%
Source: U.S. Census 2019-2023 American Community Survey 5-Year Estimates. Table DP02. SELECTED SOCIAL CHARACTERISTICS
Note: Nativity and Citizenship derived from American Community Survey (ACS) 5-year estimates. Total Population listed here will not match official ZIP Code population totals, which are based on the Decennial Census.

Income & Employment


In 2023, the Median household income is $0, which is far less than the state median ($72,421), is down $102,917 (100.0%) since 2011 and below its 2019 pre-pandemic level by $48,194. Family households earn a median of $0 versus $0 for nonfamily households (a difference of $0). By gender, male median income is $40,625 and female is $0, which is well under the state female median ($46,986), with a current gap of $40,625 that has narrowed from 2011 to 2023. The labor-force participation rate is 84.0%, which is far greater than the national rate (63.5%). The unemployment rate is 0.0%, which is markedly below the national rate (5.2%). The largest occupation group is Management (87.3%).

Explore More:Income Over TimeHousehold IncomeEmployment StatusBy Occupation

Source: U.S. Census 2011-2023 American Community Survey 5-Year Estimates. Using data from Tables DP02, DP03, DP04 and DP05.

Median Income Over Time (Household, Family, Nonfamily, Male, Female)


Income Type2011201220132014201520162017201820192020202120222023
Median Household Income$102,917$106,111$45,938$44,688$42,639$43,409$46,908$45,750$48,194$51,250$50,500$51,042$0
Median Family Income$103,611$106,111$45,938$44,688$42,639$43,409$46,908$45,750$48,194$47,813$49,792$50,208$0
Median NonFamily Income$0$0$0$0$0$0$0$0$0$0$0$0$0
Median Male Income$84,375$86,719$0$28,214$0$28,068$30,083$30,089$31,319$31,339$32,813$27,083$40,625
Median Female Income$17,917$17,778$0$16,346$0$16,375$16,339$16,964$23,542$24,688$0$0$0
Source: U.S. Census 2011-2023 American Community Survey 5-Year Estimates. DP03. SELECTED ECONOMIC CHARACTERISTICS

Average Household Income


Source: U.S. Census 2019-2023 American Community Survey 5-Year Estimates. Table DP03. SELECTED ECONOMIC CHARACTERISTICS

Employment Status


Employed:6384.00%
Unemployed:00.00%
Not In Labor Force:1216.00%
Total:75100%
Source: U.S. Census 2019-2023 American Community Survey 5-Year Estimates. Table DP03. SELECTED ECONOMIC CHARACTERISTICS

Employment by Occupation (Civilian Employed Population, 16 and Over)


Management, business, science, and arts:5587.30%
Service:00.00%
Sales and Office:00.00%
Natural resources, construction, and maintenance:00.00%
Production, transportation, and material moving:812.70%
Total Civilian Employed Population:63100%
Source: U.S. Census 2019-2023 American Community Survey 5-Year Estimates. Table DP03. SELECTED ECONOMIC CHARACTERISTICS.

Housing & Affordability


In 2023, the median home value is $93,800, which is much lower than the national median ($303,400), is up $35,600 (61.17%) since 2011 and below its 2019 pre-pandemic level by $19,500. The median gross rent is $0, which is far less than the state median ($912), and above its 2019 pre-pandemic level by $0. Insufficient data for owner/renter mix. Insufficient data for vacancy rate.

Explore More:Compare Home ValueHome Value Over TimeRent & Over TimeHousing Occupancy

Source: U.S. Census 2011-2023 American Community Survey 5-Year Estimates. Using data from Table DP03, SELECTED ECONOMIC CHARACTERISTICS.

Median Home Value (Comparison)


Source: U.S. Census 2019-2023 American Community Survey 5-Year Estimates. Table DP04. SELECTED HOUSING CHARACTERISTICS

Median Home Value Over Time


Group2011210220132014201520162017201820192020202120222023
Median Home Value$58,200$61,900$193,800$187,500$190,600$142,900$137,500$119,100$113,300$105,400$114,400$152,100$93,800
Source: U.S. Census 2011-2023 American Community Survey 5-Year Estimates. DP04. SELECTED HOUSING CHARACTERISTICS

Gross Rent Paid


Less than $500:00.00%
$500 to $999:00.00%
$1,000 to $1,499:00.00%
$1,500 to $1,999:00.00%
$2,000 to $2,499:00.00%
$2,500 to $2,999:00.00%
$3,000 or more:00.00%
No Rent:6100.00%
Total:6100%
Source: U.S. Census 2019-2023 American Community Survey 5-Year Estimates. Table DP04. SELECTED HOUSING CHARACTERISTICS

Median Gross Rent Over Time


Group2011210220132014201520162017201820192020202120222023
Median Rent$0$0$0$0$0$0$0$0$0$0$0$0$0
Source: U.S. Census 2011-2023 American Community Survey 5-Year Estimates. DP04. SELECTED HOUSING CHARACTERISTICS

Housing Occupancy


Owner Occupied (with mortgage):1229.27%
Owner Occupied (free and clear, no mortgage):2356.10%
Renter Occupied:614.63%
Total Occupied Housing Units:41100%

Occupied Housing Units:4182.00%
Vacant Housing Units (not graphed):918.00%
Total Housing Units:50100%
Source: U.S. Census 2019-2023 American Community Survey 5-Year Estimates. Table DP04. SELECTED HOUSING CHARACTERISTICS

Housing Type (Single-Family, Multi-Family, Other)


Single-Family Units:3366.00%
Multi-Family Units:00.00%
Other Units:1734.00%
Total Housing Units:50100%
Source: U.S. Census 2019-2023 American Community Survey 5-Year Estimates. Table DP04. SELECTED HOUSING CHARACTERISTICS

Education, Health & Community


In 2023, 42.70% of adults (25+) have a bachelor's degree or higher, which is on par with the state rate (31.10%). High school or higher is 100.00%, which is comparable to the national rate (89.40%). The uninsured rate is 3.90%, which is markedly below the state rate (9.30%). The share of people in poverty is 51.40%, which is markedly above the state rate (7.40%), up 51.40 percentage points since 2011 and above its 2019 pre-pandemic level by 40.60 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 elementary (70.59%). College enrollment is 11.76%, which is comparable to the national rate (26.70%), meaning the community mirrors broader higher-education participation.

Explore More:Educational AttainmentHealth InsurancePoverty Over TimeSchool Enrollment

Source: U.S. Census 2011-2023 American Community Survey 5-Year Estimates. Using data from Tables DP02 and DP03.

Educational Attainment of Adults (25 and Older)


Less than 9th grade:00.00%
9th to 12th grade, no diploma:00.00%
High school graduate (includes equivalency):1824.00%
Some college, no degree:1216.00%
Associate's degree:1317.33%
Bachelor's degree:3242.67%
Graduate or professional degree:00.00%
Total:75100%
High school or higher:75100.00%
Bachelor's degree or higher:3242.67%
Source: U.S. Census 2019-2023 American Community Survey 5-Year Estimates. Table DP02. SELECTED SOCIAL CHARACTERISTICS

Health Insurance Coverage by Type (Private, Public, Uninsured)


Private Insurance:10665.84%
Public Insurance:4930.43%
No Insurance:63.73%
Total:161100%
Has Health Insurance:15596.27%
Source: U.S. Census 2019-2023 American Community Survey 5-Year Estimates. Table DP03. SELECTED ECONOMIC CHARACTERISTICS

Percentage of People in Poverty Over Time (2011-2023)


Group2011210220132014201520162017201820192020202120222023
% of People in Poverty0.0%0.0%0.0%0.0%0.0%0.0%0.0%0.0%10.8%28.9%29.6%48.1%51.4%
Source: U.S. Census 2011-2023 American Community Survey 5-Year Estimates. DP03. SELECTED ECONOMIC CHARACTERISTICS

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.

School Enrollment by Education Level (Ages 3 and Older)


Nursery School, Preschool:00.00%
Kindergarten:00.00%
Elementary school (grades 1-8):2470.59%
High school (grades 9-12):617.65%
College or graduate school:411.76%
Total:34100%
Early Childhood:00.00%
K-12 (Primary & Secondary School):3088.24%
Source: U.S. Census 2019-2023 American Community Survey 5-Year Estimates. Table DP02. SELECTED SOCIAL CHARACTERISTICS

Business & Employment Statistics


Business demographic information for ZIP Code 57634 is not available at this time. USPS data shows 49 residential mailboxes and 1 business mailboxes, reflecting local delivery coverage.

# Residential Mailboxes:49Source: USPS
# Business Mailboxes:1Source: USPS
Total Delivery Receptacles:50Source: USPS
Single Family Delivery Units:49Source: USPS
Multi Family Delivery Units:0Source: USPS
# of Businesses:0Source: CBP
1st Quarter Payroll:$0Source: CBP
Annual Payroll:$0Source: CBP
# of Employees:0Source: CBP

Geography, Land Area, & Statistical Classifications


ZIP Code 57634 is located in Corson 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 57634. It covers 201.498 sq mi of land and a water area of 0.529 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:201.498 sq miSource: Census
Water Area:0.529 sq miSource: 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

Adjacent & Nearby ZIP Codes


57636 | | 57633

Schools in ZIP Code 57634


We could not locate which school district 57634 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.

Mcintosh Middle School - 03 511 Main St
Mcintosh, SD 57641
District: McIntosh School District 15-1Nearby
Mcintosh High School - 01 511 Main St
Mcintosh, SD 57641
District: McIntosh School District 15-1Nearby
Mcintosh Elementary - 02 511 Main St
Mcintosh, SD 57641
District: McIntosh School District 15-1Nearby
Rock Creek Grant School 1 Indian School Drive
Bullhead, SD 57621
District: UnknownNearby
Mclaughlin Middle School - 03 701 Main
Mclaughlin, SD 57642
District: McLaughlin School District 15-2Nearby
Windswept Academy 121 Cedar St
Eagle Butte, SD 57625
District: Private SchoolNearby
Chief Gall Alternative 12451 Hwy 1806
Mobridge, SD 57601
District: Private SchoolNearby
Black Hills Christian Academy 630 S 32nd St
Spearfish, SD 57783
District: Private SchoolNearby

Colleges & Post Secondary Schools near ZIP Code 57634


Sitting Bull College 9299 Hwy 24
Fort Yates, ND 58538-9721
Type: Post Secondary
University Of Mary 7500 University Dr
Bismarck, ND 58504
Type: Post Secondary
Lynnes Welding Training-Bismarck 4329 Centurion Drive Unit 9
Bismarck, ND 58504-7593
Type: Post Secondary
United Tribes Technical College 3315 University Drive
Bismarck, ND 58504
Type: Post Secondary
Bismarck State College 1500 Edwards Ave.
Bismarck, ND 58506-5587
Type: Post Secondary
The Hair Academy 2101 East Broadway Avenue
Bismarck, ND 58501
Type: Post Secondary

Sources & References


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 October 1, 2025.

  1. U.S. Postal Service [Last Updated: 10/1/2025], https://www.usps.com
  2. ZIP-Codes.com Proprietary Data Enhancements [Updated: 10/1/2025], https://www.zip-codes.com
  3. U.S. Census [Updated: Varies], https://www.census.gov
    • U.S. Census Office of Management and Budget [Updated: As Released]
    • U.S. Census 2020 Demographic & Housing Characteristics (DHC) [Decennial] [Updated: 5/25/2023]
    • U.S. Census 2011-2023 American Community Survey 5-year estimates (ACS) [Annually] [Updated: Annually, As Released]
    • U.S. Census Business Patterns (CBD) [Annually] [Updated: Annually, As Released]
    • U.S. Census American National Standards Institute (ANSI) [Updated: As Released]
  4. U.S. Geological Survey [Updated: Varies], https://www.usgs.gov
  5. Centers for Medicare & Medicaid Services [Updated: Annually, As Released], https://www.cms.gov
  6. National Center for Education Statistics [Updated: 10/1/2025], https://nces.ed.gov