Watertown, SD 57201 ZIP Code Profile


ZIP Code 57201: Basic Data & USPS Preferred City Name

Preferred Name, USPS
Watertown, SD 57201

Acceptable Alternative
Waverly, SD 57201

Not Acceptable, USPS
Appleby, SD 57201
Foley, SD 57201
Grover, SD 57201
Kampeska, SD 57201
Pelican, SD 57201
Rauville, SD 57201

  • ZIP Code Type: STANDARD
  • County: Codington County
  • Centroid: Latitude 44.903, Longitude -97.121
  • Time Zone: Central Time Zone (UTC -6 hours)
  • Observes DST: Yes

ZIP Code 57201 has segments in 2 Counties (Codington, Hamlin).

  • Businesses Addresses: 1,523
  • PO Box Addresses: 346
  • Residential Addresses: 11,505
    • Multi-Family Addresses: 1,161
    • Single Family Addresses: 10,344

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.


57201 ZIP Code Map

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Watertown, SD 57201 Data & Demographics (As of July 1, 2017)


Total Population 26,297
Daytime Population: Workers 16,802
Daytime Population: Residents 11,569
Total Daytime Population (TDP) 28,371
Ratio TDP/Total Population1 1.08
Population in Households 25,917
Population in Familes 20,033
Population in Group Qrtrs 380
Population Density2 81
Diversity Index3 17


Median Household Income $49,533
Average Household Income $65,073
Per Capita Income $27,858


Total Housing Units 12,139 (100%)
Owner Occupied HU 7,433 (61.2%)
Renter Occupied HU 3,792 (31.2%)
Vacant Housing Units 914 ( 7.5%)
Median Home Value $166,035
Average Home Value $196,966


Total Households 11,225
Average Household Size 2.31
Family Households 6,903
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 0.73% 0.66%
Households 0.86% 0.75%
Families 0.72% 0.67%
Median Household Income   1.21%
Per Capita Income   2.44%

Watertown, SD 57201 - Peer Comparisons by Rank and Percentile

The table below compares 57201 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 # 8 98th
Population Density # 31 92nd
Diversity Index # 158 57th
Median Household Income # 211 43rd
Per Capita Income # 197 47th

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

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