Gregory, SD 57533 ZIP Code Profile

Related Place Profiles:
Carlock, SD | Dixon, SD | Gregory, SD

ZIP Code 57533: Basic Data & USPS Preferred City Name

Preferred Name, USPS
Gregory, SD 57533

Acceptable Alternative
Dixon, SD 57533
Iona, SD 57533

Not Acceptable, USPS
Carlock, SD 57533

  • ZIP Code Type: STANDARD
  • County: Gregory County
  • Centroid: Latitude 43.234, Longitude -99.427
  • Time Zone: Central Time Zone (UTC -6 hours)
  • Observes DST: Yes

ZIP Code 57533 has segments in 5 Counties (Gregory, Keya Paha, Lyman, Morrill, Tripp).

  • Businesses Addresses: 116
  • PO Box Addresses: 85
  • Residential Addresses: 780
    • Multi-Family Addresses: 36
    • Single Family Addresses: 744

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.


57533 ZIP Code Map

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Gregory, SD 57533 Data & Demographics (As of July 1, 2017)


Total Population 1,973
Daytime Population: Workers 1,078
Daytime Population: Residents 918
Total Daytime Population (TDP) 1,996
Ratio TDP/Total Population1 1.01
Population in Households 1,945
Population in Familes 1,510
Population in Group Qrtrs 28
Population Density2 4
Diversity Index3 18


Median Household Income $39,402
Average Household Income $58,668
Per Capita Income $27,126


Total Housing Units 1,176 (100%)
Owner Occupied HU 667 (56.7%)
Renter Occupied HU 239 (20.3%)
Vacant Housing Units 270 (23.0%)
Median Home Value $71,961
Average Home Value $101,987


Total Households 906
Average Household Size 2.15
Family Households 539
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 -0.32% -0.23%
Households -0.27% -0.2%
Families -0.43% -0.3%
Median Household Income   1.7%
Per Capita Income   3.65%

Gregory, SD 57533 - Peer Comparisons by Rank and Percentile

The table below compares 57533 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 # 76 80th
Population Density # 215 41st
Diversity Index # 146 60th
Median Household Income # 320 13th
Per Capita Income # 220 40th

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

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