57751 Zip Code

Below you will find a comprehensive overview of the statistics and characteristics of the 57751 zip code. These include population demographics, economic characteristics, education data, occupation information, housing characteristics, and more.

Key Information:
StateSouth Dakota
CityKeystone
Time ZoneAmerica/Denver
Geo Location43.85544, -103.38659
Population963
Size176.23 square miles
Median Family Income$76964.00
Median Home Value$265200.00

Population & Demographics

The following information lists the population statistics and breakdown for the 57751 zip code. The total population is 963, of which, 473 are male and 490 are female. With a total area of 176.23 square miles, the population density is 6.1 people per square mile. The median age of the population is 52 years old. Below you’ll find additional information on the population and demographics of this zip code, including age distribution, race distribution, language spoken, and more.

YearPopulation
2011877
2012893
2013767
2014697
2015677
2016676
2017842
20181000
20191075
20201169
2021963

Age BracketNumber of PeoplePercentage of Population
Under 5 years old 474.9%
Age 5-9525.4%
Age 10-14363.7%
Age 15-19394%
Age 20-24697.2
Age 25-29606.2%
Age 30-34313.2%
Age 35-39656.7%
Age 40-4440 4.2%
Age 45-49222.3%
Age 50-54879%
Age 55-5910110.5%
Age 60-649710.1%
Age 65-6912813.3%
Age 70-74343.5%
Age 75-79262.7%
Age 80-84141.5%
Age 85 and over151.6%


Languages Spoken (of those 5 years of age and older) :
  • Speaks Language other than English: 19.3 %
  • Speaks Spanish: 11.4 %
  • Speaks Other Indo-European Language: 2.9 %
  • Speaks Pacific Island Languages: 5 %
  • Speak Other Languages: 0 %
Marital Status: 
  • Currently Married: 63.2 %
  • Divorced: 15 %
  • Separated (not divorced): 0 %
  • Never Married: 21.5 %

Income & Economic Characteristics

The median inflation-adjusted family income in the 57751 zip code is $76964. This is 11.43% greater than the national average. This income places 9.4% of the population below the poverty line. The average retirement income for individuals in this zip code (for those that have it) is $40600. Below you can find additional economic characteristics, including income bracket distribution, median income over time, retirement statistics, and more.

Annual Income Bracket ($)Number of Families in Bracket
Less than $10,000.000
$10,000.00 – $14,999.000
$15,000.00 – $24,999.0023
$25,000.00 – $34,999.007
$35,000.00 – $49,999.0044
$50,000.00 – $74,999.0058
$75,000.00 – $99,999.0023
$100,000.00 – $149,999.0062
$150,000.00 – $199,999,0041
$200,000.00 +17

YearMedian Family Income ($ USD)
201149408
201254375
201352250
201448182
201546250
201657981
201762250
201869911
201974375
202074219
202176964

Income Source# of Households
Wage or Salary276
Self Employment67
Social Security157
Dividends, Interest, or Rental129
Retirement117
Other44

Total Insured & Uninsured Individuals: 
  • Families Insure: 789
  • Families Uninsured: 174
Total Individuals with and w/o retirement income:   
  • Yes retirement income: 117
  • No retirement income: 240

Education

In the 57751 zip code, 95% of individuals over 25 years old have a high school degree or higher, and 34.7% have a bachelors degree or higher. Additionally, 12.8% of individuals 3 years and older are in private school, and 87.2% are in public school. The data below outline the education level breakdown, degree field breakdown, and more.




Occupation and Work Characteristics

In the 57751 zip, there are an estimated 569 people in the labor force, of which, 535 are employed, and 34 are unemployed. There are a total of 0 people in the armed forces. The average commute time for this zip code is 25.7 minutes. Of the total people that work, 30 worked from home and 530 commuted. The average number of hours worked is 41.9. Below you’ll find additional information on occupation distribution, industry breakdown, commuting characteristics and workplace statistics.

Occupation# of Individual
Management, Business, Science, and Arts172
Services151
Sales and Office83
Construction and Maintenance:84
Transportation and Material Moving45





Housing

The median home value for the 57751 zip code is 265200. There is an estimated  357 number of occupied housing units, the median gross rent in is $446 per month, and the average monthly housing costs are estimated to be $861. Below you’ll find additional breakdowns of home values, rents, home build years, and more.

Home Value (USD)Number of Homes
Less than $50,00037
$50,000 – $99,0009
$100,000 – $149,99916
$150,000 – $199,99922
$200,000 – $299,999122
$300,000 – $499,99936
$500,000 – $999,99937
$1,000,000+12

Home Year BuiltNumber of Homes
2020 or Later0
2010 – 201921
2000 – 200989
1980 – 1999110
1960 – 197986
1940 – 195925
1939 or earlier26

The median number of rooms in all housing units is 5 rooms.
Monthly Rent ($ USD)Number of Units
Less than $50025
$500 – $99914
$1,000 – $1,49910
$1,500 – $1,9990
$2,000 – $2,4990
$2,499 – $2,9990
$3,000 + 0

Monthly Housing Costs ($)Number of Households
Less than 30018
300-49934
500-79995
800-99947
1000-149929
1500-199965
2000-249938
2500-29990
3000+14

Monthly Housing Cost as a % of Monthly IncomeNumber of Households
Less than 20%91
20%-24.9%50
25%-29.9%6
30%-34.9%5
35+%21



# of VehiclesHouseholds
None11
131
2131
3+184
Home Heating Characteristics: 
  • Utility Gas: 8.1 %
  • Bottle Tank or LP Gas: 37 %
  • Electricity: 44.3 %
  • Oil or Kerosene etc: 0.3 %
  • Coal or Coke: 0 %
  • All Other: 10.4 %

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All information sourced from official government sources including Census.gov, the IRS, and the Department of Education.