Watertown, SD housing market
The typical Watertown home is worth about $315,000, up 4.2% in a year, close to the South Dakota typical home. Homes typically sell in 44 days, below asking.
Home values, sales, trends and how Watertown compares with the towns next door — updated as new data is published.
Watertown at a glance
A seller's market
Supply is tight — about 3.9 months of homes for sale at the current pace. Buyers should expect competition on well-priced homes.
Typical home value, 2016–2026
Show as a table
| January | Watertown | South Dakota |
|---|---|---|
| 2017 | $201,000 | $186,000 |
| 2018 | $206,000 | $195,000 |
| 2019 | $211,000 | $203,000 |
| 2020 | $221,000 | $215,000 |
| 2021 | $235,000 | $235,000 |
| 2022 | $270,000 | $272,000 |
| 2023 | $295,000 | $297,000 |
| 2024 | $293,000 | $301,000 |
| 2025 | $304,000 | $312,000 |
| 2026 | $309,000 | $319,000 |
| August 2026 | $315,000 | $322,000 |
4.5 years of income
The typical Watertown home costs about 4.5 years of the town's median household income, about the same as across South Dakota (4.3).
How Watertown ranks on affordability →
Home value ÷ ACS median household income.
Owners, rent & taxes
U.S. Census Bureau, ACS 2020-2024.
Home values: Zillow Home Value Index (ZHVI), Zillow Research, August 2026. Sales, days on market and supply: Redfin Data Center, May 2026. Income, ownership, taxes and rent: U.S. Census Bureau, American Community Survey. Listings link to their publishers.