Watertown, SD Profile: Facts, Map & Data


Watertown Local Links & Resources:
Hotels | Resources | ALL Watertown Content

Also See: Watertown, SD ZIP Codes & ZIP Code Maps | Local Area Photos

Watertown, South Dakota - Basic Facts

The City of Watertown is the 5th largest city in South Dakota with a population of 22,621 as of July 1, 2017. Watertown ranks in the upper quartile for Population Density when compared to the other cities, towns and Census Designated Places (CDPs) in South Dakota. See peer rankings below.

The primary coordinate point for Watertown is located at latitude 44.9089 and longitude -97.1561 in Codington County. The formal boundaries for the City of Watertown (see map below) encompass a land area of 17.68 sq. miles and a water area of 7.98 sq. miles. Codington County is in the Central time zone (GMT -6). The elevation is 1,739 feet.

The City of Watertown (GNIS ID: 1267627) has a C5 Census Class Code which indicates an active incorporated place that is independent of any county subdivision and serves as a county subdivision equivalent. It also has a Functional Status Code of "A" which identifies an active government providing primary general-purpose functions.

Beneath the boundary map are tables with Watertown population, income and housing data, five-year growth projections and peer comparisons for key demographic data. The estimates are for July 1, 2017.

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.


City of Watertown, SD Boundary Map

Also See: BIG Map | Driving Directions | SD Congressional Districts
Boundary Maps: Codington County | South Dakota Counties

Search the map for:

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


Total Population 22,621
Daytime Population: Workers 15,879
Daytime Population: Residents 10,098
Total Daytime Population (TDP) 25,977
Ratio TDP/Total Population1 1.15
Population in Households 22,257
Population in Familes 16,914
Population in Group Qrtrs 364
Population Density2 1,279
Diversity Index3 17


Median Household Income $47,753
Average Household Income $63,760
Per Capita Income $27,759


Total Housing Units 10,678 (100%)
Owner Occupied HU 6,307 (59.1%)
Renter Occupied HU 3,548 (33.2%)
Vacant Housing Units 823 ( 7.7%)
Median Home Value $166,810
Average Home Value $197,487


Total Households 9,855
Average Household Size 2.26
Family Households 5,901
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 0.71% 0.65%
Households 0.83% 0.73%
Families 0.82% 0.65%
Median Household Income   1.4%
Per Capita Income   2.35%

Watertown, SD - Peer Comparisons by Rank and Percentile

The table below compares Watertown to the other 391 incorporated cities, towns and CDPs 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 # 5 99th
Population Density # 54 86th
Diversity Index # 151 61st
Median Household Income # 231 41st
Per Capita Income # 201 49th

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: