Watertown, Ohio
Watertown: Township in Washington County, Ohio
About
Watertown is a township located in the county of Washington in the U.S. state of Ohio. Its population at the 2010 census was 1,579 and a population density of 43 people per km². After 10 years in 2020 city had an estimated population of 1,521 inhabitants.
Quick Facts about Watertown
| Population : | 1,521 (2020) |
| Country : | United States of America |
| State : | Ohio (United States) |
| County : | Washington County |
| Area : | 36.5 km2 |
| Altitude : | 764 feet / 233 meters |
| Time Zone : | America/New_York |
| Local time : | 01:12:07 (5th December 2025) |
| Postal code : | 45787 |
| Density : | 42 Pop. per km² as of 2020 |
| Population growth : | -3.81% (2010-2020) |
Demographics
According to census records, the population of Watertown decreased by 3.81% in 10 years.
| Year | Population | % Change | Method |
| 2010 | 1,579 | - | census |
| 2011 | 1,576 | -0.19% | estimation process |
| 2012 | 1,570 | -0.38% | estimation process |
| 2013 | 1,566 | -0.26% | estimation process |
| 2014 | 1,562 | -0.26% | estimation process |
| 2015 | 1,559 | -0.19% | estimation process |
| 2016 | 1,550 | -0.58% | estimation process |
| 2017 | 1,541 | -0.58% | estimation process |
| 2018 | 1,533 | -0.52% | estimation process |
| 2019 | 1,530 | -0.2% | estimation process |
| 2020 | 1,521 | -0.59% | estimation process |
Watertown zip code is 45787.
County name: Washington, County
fips: 39167
Schools in Watertown
College & universities near Watertown, OH
| Code | Name | City | ZIP |
|---|---|---|---|
| 418250 | Washington County Career Center-Adult Technical Training | Marietta (OH) | 45750 |
Post offices near Watertown
| Post Office Name | City | ZIP |
|---|---|---|
| Waterford Post Office | Waterford (OH) | 45786 |
Other places with the same name (10)
- Watertown , Massachusetts city in Middlesex County, Massachusetts, United States with a population of 36,125 people.
- Watertown , South Dakota city in and county seat of Codington County, South Dakota, United States with a population of 22,303 people.
- Watertown , Connecticut town in Litchfield County, Connecticut, United States with a population of 21,517 people.
- Watertown , New York town in Jefferson County, New York with a population of 4,426 people.
- Watertown , Michigan township in Sanilac County, Michigan, United States with a population of 2,060 people.
- Watertown , Wisconsin city in Jefferson County, New York with a population of 2,039 people.
- Watertown , Tennessee city in Wilson County, Tennessee, United States with a population of 1,536 people.
- Watertown , Tennessee city in Wilson County, Tennessee, United States with a population of 1,517 people.
- Watertown , Minnesota township in Carver County, Minnesota with a population of 1,189 people.
Other cities in Washington County
Cities, towns, neighborhoods & other populated places in Washington County , OH.
| City Name | Population | Title |
|---|---|---|
| Marietta | 4,422 | City in and county seat of Washington County, Ohio |
| Belpre | 3,759 | City in Washington County, Ohio |
| Waterford | 3,642 | Township in Washington County, Ohio |
| Devola | 2,652 | Census-designated place in Washington County, Ohio |
| Barlow | 2,520 | Town |
| Dunham | 2,505 | Township in Washington County, Ohio |
| Newport | 1,909 | City in Washington County, Minnesota, United States |
| Beverly | 1,336 | Town |
| Bloomfield | 1,235 | Township in Trumbull County, Ohio |
| New Matamoras | 1,135 | City in Washington County, Ohio, United States of America |
| Lowell | 529 | Village in Washington County, Ohio, United States |
| Ludlow | 315 | Township of Washington County, Ohio, United States |
| Macksburg | 181 | Human settlement in Washington County, Ohio, United States of America |
| Lower Salem | 82 | Human settlement in Washington County, Ohio, United States of America |
Distance to Other Cities
Watertown distances to largest Ohio cities
