Zip Code 57201
Watertown, South Dakota — Codington County
📍 ZIP code 57201 is in Watertown, Codington County, South Dakota.
ZIP code 57201 is located in Watertown, Codington County, South Dakota. It is a zip code in the Central (CST/CDT) Time Zone with an estimated population of 26,375. The area code for ZIP code 57201 is 605.
Quick Answer
Zip code 57201 is in Watertown, South Dakota (Codington County). It has a population of 26,375, median household income of $64,809, and median home value of $223,600.
Population
26,375
Income
$64,809
Home Value
$223,600
Climate
82°F / 3°F
About Zip Code 57201
Zip code 57201 is located in Watertown, South Dakota, within Codington County. Home to approximately 26,375 residents, this area sits at an elevation of 1769 ft and falls within the Central (CST/CDT) timezone. The local area code is 605.
The median household income is $64,809 per year, which is below the national median of $70,784. Homes in this zip code have a median value of $223,600, and the cost of living index is 81 (19% below the national average of 100).
Summers average a high of 82°F while winters drop to 3°F. The area receives about 23 in of rain and 41 in of snow annually. The zip code covers 323.6 square miles of land area and 14.6 square miles of water.
Key Statistics
26,375
$64,809
$223,600
Central (CST/CDT)
605
1769 ft
323.6 sq mi
39.5
12,304
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Compare With Nearby Zip Codes
| Metric | 57201 | 57245 | 57238 | 57235 | 57263 | 57265 |
|---|---|---|---|---|---|---|
| City | Watertown, SD | Kranzburg, SD | Goodwin, SD | Florence, SD | South Shore, SD | South Shore, SD |
| Population | 26,375 | 149 | 317 | 796 | 488 | 255 |
| Median Income | $64,809 | $60,938 | $86,250 | $80,938 | $57,917 | $75,625 |
| Home Value | $223,600 | $123,700 | $215,200 | $224,200 | $102,200 | $122,500 |
| Cost of Living | 81 | 60 | 70 | 85 | 60 | 67 |
| Median Age | 39.5 | 54.3 | 42.6 | 47.2 | 40.1 | 33 |
Cost of Living
100 = National Average. Watertown's cost of living is 19% below the national average.
vs. State Avg
Below
Affordability
Affordable
Income-to-Home
3.5x
Demographics
Zip code 57201 has a population of 26,375 people with a median age of 39.5. There are 12,304 housing units in this area.
Racial & Ethnic Composition
Source: U.S. Census Bureau American Community Survey estimates.
Population History
Watertown (57201) population trend from 2010 to 2024
↓ -18.8%Source: U.S. Census Bureau estimates and American Community Survey data.
Climate & Weather
82°F
3°F
23 in
41 in
Watertown experiences warm summers with average highs around 82°F. Winters are cold with lows averaging 3°F. With 41 in of annual snowfall, residents should be prepared for significant winter weather.
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Housing & Economy
Median Home Value
$223,600
Median Household Income
$64,809
With 12,304 housing units across 323.6 square miles, 57201 has a housing density of 38 units per square mile. The home price-to-income ratio is 3.5x.
Location & Geography
Latitude
44.9367°
Longitude
-97.0928°
Land Area
323.6 sq mi
Water Area
14.6 sq mi
Nearby Zip Codes
Zip codes closest to 57201 (Watertown, SD) with distances:
ZIP Codes with Similar Income Nationwide
The five U.S. ZIP codes whose median household income is closest to 57201's $64,809. A way to compare Watertown to economically similar communities elsewhere in the country.
Computed from U.S. Census Bureau ACS 5-Year Estimates by the Zip Code Near Me Data Team.
ZIP Codes with Similar Demographics
The five U.S. ZIP codes whose racial and ethnic composition most closely matches 57201 (Watertown, SD). Similarity is measured by cosine distance on the five-category ACS demographic vector.
Computed from U.S. Census Bureau ACS 5-Year Estimates by the Zip Code Near Me Data Team.
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People Also Ask
What zip code is Watertown, South Dakota?
Watertown, South Dakota uses zip code 57201.
What county is zip code 57201 in?
Zip code 57201 is located in Codington County, South Dakota.
What is the population of zip code 57201?
The population of zip code 57201 is 26,375 with a median age of 39.5.
Is 57201 in Watertown, South Dakota?
Yes, zip code 57201 is in Watertown, Codington County, South Dakota. The area code is 605.
Frequently Asked Questions
What city is zip code 57201 in?
Zip code 57201 is in Watertown, South Dakota. It is part of Codington County and uses the Central (CST/CDT) timezone.
What is zip code 57201?
Zip code 57201 is a U.S. postal code in Watertown, South Dakota (Codington County). It has a population of 26,375 and covers 323.6 square miles.
What is the population of zip code 57201?
The population of zip code 57201 (Watertown, SD) is 26,375 with a median age of 39.5. There are approximately 12,304 housing units in this area.
What is the median income in zip code 57201?
The median household income in zip code 57201 (Watertown, SD) is $64,809 per year. The cost of living index is 81 (100 = national average).
What is the average home price in zip code 57201?
The median home value in zip code 57201 (Watertown, SD) is $223,600. The cost of living index is 81 compared to the national average of 100.
What county is zip code 57201 in?
Zip code 57201 is located in Codington County, South Dakota. The primary city is Watertown.
What is the area code for zip code 57201?
Zip code 57201 in Watertown, SD uses area code 605. It is located in the Central (CST/CDT) timezone.
Is zip code 57201 a good place to live?
Zip code 57201 (Watertown, SD) has a cost of living index of 81 (100 = national average), a median household income of $64,809, and median home values of $223,600. The median age is 39.5. Visit the full page for demographics, climate, and nearby zip code comparisons.
What is the cost of living in zip code 57201?
The cost of living index for zip code 57201 (Watertown, SD) is 81, where 100 represents the national average. This area is below the national average. Median home value: $223,600.
What schools serve zip code 57201?
Zip code 57201 in Watertown, South Dakota is served by the local school district of Codington County. For specific school information, check your state's department of education or GreatSchools.org.
All demographic data on this page is sourced from the U.S. Census Bureau American Community Survey (ACS) 5-Year Estimates. ZIP code boundary and delivery data is sourced from the United States Postal Service (USPS). Data is updated periodically and may not reflect the most current figures. Census Bureau ZIP Code Tabulation Areas (ZCTAs) may differ slightly from USPS ZIP code boundaries.
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Data Sources
- Population, income, housing, age, and demographics
- U.S. Census Bureau, American Community Survey 5-Year Estimates, 2019-2023 vintage.
- ZIP to city and county mapping
- USPS and HUD-USPS ZIP-County Crosswalk.
- Time zones and area codes
- IANA tz database and NANPA.
- Elevation
- U.S. Geological Survey National Elevation Dataset (NED), via the USGS Elevation Point Query Service. Mapped to each ZCTA centroid coordinates. Last refreshed 2026-05-19.
- Last refreshed
- 2026-05-18.