Watertown, SD Profile: Facts & Data

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Watertown, South Dakota - Basic Facts

The City of Watertown is the 5th largest city in South Dakota with a population of 22,639 as of July 1, 2018. 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.


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  1. Watertown 2018 Demographic Data
  2. Growth Rates for Watertown (Historical & 5-Year Forecast)
  3. Peer Comparisons (Rank and Percentile)
  1. Neighborhoods Demographics (Home Values, Household Income, etc.)
  2. South Dakota Research Tools (Easy Tools & Current Data)
  3. South Dakota Data Comparison Tool - 2018 Demographics

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Boundary Maps, Demographic Data, School Zones Review maps and data for the neighborhood, city, county, ZIP Code, and school zone. July 1, 2018, data includes home values, household income, percentage of homes owned, rented or vacant, etc.


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Watertown, SD Data & Demographics (As of July 1, 2018)

POPULATION

Total Population 22,639
Population in Households 22,276
Population in Familes 17,020
Population in Group Qrtrs 363
Population Density2 1,280
Diversity Index3 18
 

INCOME

Median Household Income $48,177
Average Household Income $63,398
Per Capita Income $27,486

HOUSING

Total Housing Units 10,731 (100%)
Owner Occupied HU 5,877 (54.8%)
Renter Occupied HU 3,944 (36.8%)
Vacant Housing Units 910 ( 8.5%)
Median Home Value $181,306
Average Home Value $217,675
 

HOUSEHOLDS

Total Households 9,821
Average Household Size 2.27
Family Households 5,837
Average Family Size 3
NOTES
  1. Demographics are point estimates for July 1st of the current year and each for the forecast years. See References for more information.
  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.

GROWTH RATE / YEAR

2010-2018 2018-2023
Population 0.64% 0.6%
Households 0.69% 0.64%
Families 0.59% 0.51%
Median Household Income   1.87%
Per Capita Income   2.37%

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, 2018 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 # 150 62nd
Median Household Income # 236 40th
Per Capita Income # 239 39th

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

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