Buffalo, SD 57720 ZIP Code Profile

Related Place Profiles:
Buffalo, SD

ZIP Code 57720: Basic Data & USPS Preferred City Name

Preferred Name, USPS
Buffalo, SD 57720

  • ZIP Code Type: STANDARD
  • County: Harding County
  • Centroid: Latitude 45.507, Longitude -103.656
  • Time Zone: Mountain Time Zone (UTC -7 hours)
  • Observes DST: Yes
  • Businesses Addresses: 40
  • PO Box Addresses: 194
  • Residential Addresses: 132
    • Multi-Family Addresses: 0
    • Single Family Addresses: 132

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.


57720 ZIP Code Map

Search the map for:

Buffalo, SD 57720 Data & Demographics (As of July 1, 2017)


Total Population 692
Daytime Population: Workers 687
Daytime Population: Residents 302
Total Daytime Population (TDP) 989
Ratio TDP/Total Population1 1.43
Population in Households 677
Population in Familes 546
Population in Group Qrtrs 15
Population Density2 1
Diversity Index3 13


Median Household Income $44,384
Average Household Income $64,687
Per Capita Income $29,832


Total Housing Units 420 (100%)
Owner Occupied HU 235 (56.0%)
Renter Occupied HU 81 (19.3%)
Vacant Housing Units 104 (24.8%)
Median Home Value $84,063
Average Home Value $162,979


Total Households 316
Average Household Size 2.14
Family Households 202
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 0.1% 0.03%
Households 0.22% 0.13%
Families 0.07% 0.0%
Median Household Income   3.56%
Per Capita Income   3.93%

Buffalo, SD 57720 - Peer Comparisons by Rank and Percentile

The table below compares 57720 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 # 178 52nd
Population Density # 360 4th
Diversity Index # 204 45th
Median Household Income # 262 29th
Per Capita Income # 132 64th

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

South Dakota Research Tools

South Dakota Census Data Comparison Tool

Compare South Dakota Census Data
Highest or Lowest: