Union Center, SD 57787 ZIP Code Profile

Related Place Profiles:
Stoneville, SD | Union Center, SD

ZIP Code 57787: Basic Data & USPS Preferred City Name

Preferred Name, USPS
Union Center, SD 57787

Acceptable Alternative
Red Owl, SD 57787
Stoneville, SD 57787

Not Acceptable, USPS
Chalk Butte, SD 57787

  • ZIP Code Type: STANDARD
  • County: Meade County
  • Centroid: Latitude 44.734, Longitude -102.654
  • Time Zone: Mountain Time Zone (UTC -7 hours)
  • Observes DST: Yes
  • Businesses Addresses: 12
  • PO Box Addresses: 16
  • Residential Addresses: 111
    • Multi-Family Addresses: 0
    • Single Family Addresses: 111

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.


57787 ZIP Code Map

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Union Center, SD 57787 Data & Demographics (As of July 1, 2017)


Total Population 337
Daytime Population: Workers 75
Daytime Population: Residents 156
Total Daytime Population (TDP) 231
Ratio TDP/Total Population1 0.69
Population in Households 337
Population in Familes 296
Population in Group Qrtrs 0
Population Density2 1
Diversity Index3 11


Median Household Income $42,467
Average Household Income $59,390
Per Capita Income $25,201


Total Housing Units 181 (100%)
Owner Occupied HU 115 (63.5%)
Renter Occupied HU 28 (15.5%)
Vacant Housing Units 38 (21.0%)
Median Home Value $90,152
Average Home Value $199,783


Total Households 143
Average Household Size 2.36
Family Households 108
Average Family Size 3
  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 0.63% 0.76%
Households 1.0% 0.96%
Families 0.79% 0.91%
Median Household Income   5.1%
Per Capita Income   5.03%

Union Center, SD 57787 - Peer Comparisons by Rank and Percentile

The table below compares 57787 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 # 255 31st
Population Density # 345 5th
Diversity Index # 239 36th
Median Household Income # 298 19th
Per Capita Income # 267 28th

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

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