Agar, SD 57520 ZIP Code Profile

Related Place Profiles:
Agar, SD

ZIP Code 57520: Basic Data & USPS Preferred City Name

Preferred Name, USPS
Agar, SD 57520

  • ZIP Code Type: STANDARD
  • County: Sully County
  • Centroid: Latitude 44.845, Longitude -100.058
  • Time Zone: Central Time Zone (UTC -6 hours)
  • Observes DST: Yes
  • Businesses Addresses: 10
  • PO Box Addresses: 42
  • Residential Addresses: 40
    • Multi-Family Addresses: 0
    • Single Family Addresses: 40

The ZIP Code maps and database are updated 4 times per year.
Database updated: August 1, 2019, Maps updated: August 2, 2019.

Jump to... (On This Page!)
  1. 57520 2019 Demographic Data
  2. Growth Rates for 57520 (Historical & 5-Year Forecast)
  3. Peer Comparisons (Rank and Percentile)
  1. Neighborhoods Demographics (Home Values, Household Income, etc.)
  2. South Dakota Research Tools (Easy Tools & Current Data)
  3. South Dakota Data Comparison Tool - 2019 Demographics

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Boundary Maps, Demographic Data, School Zones Review maps and data for the neighborhood, city, county, ZIP Code, and school zone. July 1, 2019, data includes home values, household income, percentage of homes owned, rented or vacant, etc.


Agar, SD 57520 Data & Demographics (As of July 1, 2019)


Total Population 145
Population in Households 145
Population in Familes 114
Population in Group Qrtrs 0
Population Density2 1
Diversity Index3 8


Median Household Income $63,750
Average Household Income $93,503
Per Capita Income $51,588


Total Housing Units 100 (100%)
Owner Occupied HU 60 (60.0%)
Renter Occupied HU 20 (20.0%)
Vacant Housing Units 20 (20.0%)
Median Home Value $161,111
Average Home Value $168,750


Total Households 80
Average Household Size 1.81
Family Households 49
Average Family Size 2
  1. Demographics are point estimates for July 1st of the current year and each for the forecast years. See References for more information.
  2. Population Density = Total Population per square mile.
  3. The Diversity Index is a scale of 0 to 100 that represents the likelihood that two persons, chosen at random from the same area, belong to different race or ethnic groups. If an area's entire population belongs to one race AND one ethnic group, then the area has zero diversity. An area's diversity index increases to 100 when the population is evenly divided into two or more race/ethnic groups.


2010-2019 2019-2024
Population 1.02% 0.95%
Households 1.15% 0.98%
Families 0.92% 0.8%
Median Household Income   3.3%
Per Capita Income   2.97%

Agar, SD 57520 - Peer Comparisons by Rank and Percentile

The table below compares 57520 to the other 370 ZIP Codes in South Dakota by rank and percentile using July 1, 2019 data. The location Ranked # 1 has the highest value. A location that ranks higher than 75% of its peers would be in the 75th percentile of the peer group.

Variable Description Rank Percentile
Total Population # 322 13th
Population Density # 309 15th
Diversity Index # 308 17th
Median Household Income # 86 77th
Per Capita Income # 3 99th

Additional comparisons and rankings can be made with a VERY EASY TO USE South Dakota Census Data Comparison Tool.

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