Zip lookup · SD

57201
Watertown, South Dakota.

Watertown, Codington County, SD · Watertown, SD metro · population 26,781

What it costs per month · 57201 $1,688/mo

to buy the typical home at today's mortgage rate — +$858 (+104%) since Jan 2020.

What the home itself did
1 year
Up $10,288 +3%
$311,219$321,507 since Sep 2025
5 years
Up $51,584 +19%
$269,923$321,507 since Sep 2021

Monthly payment to buy the typical home

Home value × that month's 30-year mortgage rate, 20% down, principal and interest. This is the line households feel: prices and rates compound each other.

$500 $1,000 $1,500 $2,000 2002 2006 2010 2014 2018 2022 2026 57201 $1,688 United States $1,922
$500 $1,000 $1,500 $2,000 2002 2010 2018 2026
  • 57201$1,688
  • United States$1,922

At the last five years' pace, a typical home here doubles in price every 20 years.

Typical home values in zip 57201 rose 3.3% over the past year — faster than the nation's +1.2%.

This zip spans 2 counties: Codington County, SD 99% · Hamlin County, SD 1%

Zillow also publishes an index for the city itself: Watertown, SD — measured over the city limits, which is a different area from this zip.

Asking rent $1,196 as of Sep 2026
Typical home value $321,507 as of Sep 2026
+3.3%year on year

Asking rent — 57201

Against the Watertown, SD metro and the national benchmark.

$1,200 $1,400 $1,600 $1,800 2026 57201 $1,196 Watertown $1,196 United States $1,932
$1,200 $1,400 $1,600 $1,800 2026
  • 57201$1,196
  • Watertown$1,196
  • United States$1,932

Typical home value — 57201

Mid-tier homes, smoothed and seasonally adjusted.

$250,000 $300,000 $350,000 2018 2020 2022 2024 2026 57201 $321,507 Watertown $336,249 United States $366,157
$250,000 $300,000 $350,000 2018 2022 2026
  • 57201$321,507
  • Watertown$336,249
  • United States$366,157

Within 20 miles

Coordinates and population from SimpleMaps US Zips (Basic). Rent and home values from Zillow Research.