Ohio · United States
Portsmouth population
20,409people · latest figure
Portsmouth has a population of 20,409, making it the 2187th largest place we list in United States. It is in Ohio.
Portsmouth holds under a tenth of one per cent of United States's 349,035,494 people. New York City, the largest place we list there, is 431 times its size.
20,409
population
#2,187
Portsmouth is in Ohio, which has 865 recorded places.
Nearby in size
| Place | Region | Population |
|---|---|---|
| Hammond | Louisiana | 20,480 |
| Schofield-Wheeler | Hawaii | 20,452 |
| Libertyville | Illinois | 20,436 |
| Pittsburg | Kansas | 20,409 |
| Charlestown | Massachusetts | 20,397 |
| Louisville | Colorado | 20,396 |
All places in United States → · Ohio →
Figures are the latest available in GeoNames (CC BY 4.0), which draws on national censuses of varying dates — treat them as recent, not same-year. Country totals are UN World Population Prospects 2024 (medium variant) where the UN lists the country separately; the handful it reports under a parent state keep a GeoNames figure and are marked as such. Sources & method.