
Bridgewater
- County:
- McCook County
- County Seat:
- No
- Area (mi²):
- 1.125
- State:
- South Dakota
Bridgewater is a city located in McCook County, South Dakota. Bridgewater has a 2025 population of 506. Bridgewater is currently declining at a rate of 0% annually and its population has decreased by -0.39% since the most recent census, which recorded a population of 508 in 2020.
The average household income in Bridgewater is $51,003 with a poverty rate of 11.65%. The median age in Bridgewater is 42.6 years: 45.3 years for males, and 38.1 years for females.