Portsmouth, Ohio

Portsmouth population, 2020 to 2024

Portsmouth lost 718 residents from July 2020 to July 2024, a change of -3.9%. In the latest year it moved by -111. Among 254 Ohio places of 5,000 or more, that growth ranks 252nd; the median place changed by -0.4%. The median place of 5,000+ in Ohio has 13,905 people, so Portsmouth is 1.3 times that size.

Portsmouth covers 10.73 square miles of land and 0.35 of water, for 1,630 people per square mile of land. The median Ohio place of 5,000+ has 2,000, so Portsmouth is less dense than the typical town.

What county Portsmouth is in

All of Portsmouth's residents live in Scioto County, which had 71,798 residents in 2024. Portsmouth holds 24.4% of the county's population. The shaded shape is on the map above; dots mark the eight nearest places.

ZIP codes in Portsmouth

1 ZIP Code Tabulation Area (ZCTA) overlaps Portsmouth by at least 10% of the ZCTA's or the city's land: 45662. ZCTAs are Census approximations of USPS ZIP code delivery areas. The list comes from the 2020 ZCTA to place relationship file, so a city that annexed land after 2020 may reach into ZIP codes not listed here.

Where Portsmouth is

The Census internal point of Portsmouth is at 38.753400, -82.949500. Columbus, the capital, is 83.6 miles N in a straight line. The nearest larger place is Ashland, KY (21,066 people), 26.1 miles away. The nearest city of 100,000 or more is Columbus, OH, 85.1 miles away.

Daylight in Portsmouth

At 38.75° N, Portsmouth gets about 14 h 53 min of daylight around the June solstice and 9 h 27 min around the December solstice, a swing of 5 h 26 min. Figures are sunrise to sunset from the SunCalc model for June 21 and December 21, 2026.

Places near Portsmouth

The eight nearest incorporated places of 1,000+ in Ohio, measured between internal points. The closest is New Boston, 0.7 miles away, with 2,227 people.