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: 11
  • PO Box Addresses: 42
  • Residential Addresses: 36
    • Multi-Family Addresses: 0
    • Single Family Addresses: 36

The ZIP Code maps and database are updated 4 times per year.
Database updated: May 1, 2018, Maps updated: February 1, 2018.

EXTREMELY LOCAL Demographic Data

Address Based Hyperlocal Data Input an address and get data & demographics for the pertinent census block group (CBG), a searchable map and a customized directory. The CBG is the smallest geographical unit used by the Census Bureau for reporting demographic data.


57520 ZIP Code Map

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Agar, SD 57520 Data & Demographics (As of July 1, 2017)


Total Population 141
Daytime Population: Workers 36
Daytime Population: Residents 61
Total Daytime Population (TDP) 97
Ratio TDP/Total Population1 0.69
Population in Households 141
Population in Familes 112
Population in Group Qrtrs 0
Population Density2 1
Diversity Index3 7


Median Household Income $55,686
Average Household Income $75,939
Per Capita Income $40,931


Total Housing Units 98 (100%)
Owner Occupied HU 59 (60.2%)
Renter Occupied HU 17 (17.3%)
Vacant Housing Units 22 (22.4%)
Median Home Value $91,667
Average Home Value $160,169


Total Households 76
Average Household Size 1.86
Family Households 47
Average Family Size 2
  1. If the ratio of the TDP to Total Population is greater than 1, the location gains population during the day when commuting workers are present. If the ratio is less than 1, the location is more of a bedroom community where people commute to another place for work.
  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.


2010-2017 2017-2022
Population 1.13% 0.7%
Households 1.14% 0.78%
Families 0.91% 0.84%
Median Household Income   2.09%
Per Capita Income   3.54%

Agar, SD 57520 - Peer Comparisons by Rank and Percentile

The table below compares 57520 to the other 368 ZIP Codes in South Dakota by rank and percentile using July 1, 2017 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 # 325 12th
Population Density # 314 14th
Diversity Index # 320 14th
Median Household Income # 101 73rd
Per Capita Income # 10 98th

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

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