Portsmouth is a city in Scioto County, Ohio, home to about 17,728 people across 11 square miles. Its ZIP code is 45662.
Homes sold for a median of $89 per square foot in the three months ending August 2026, a buyer’s market.
Mostly Portsmouth; also New Boston and Rosemount
Each card is that ZIP code’s whole market, including any part outside Portsmouth. Seller’s market: under 4 months of supply; buyer’s market: over 6. Methodology
We’re writing up Portsmouth’s story and what everyday life there is like, for people thinking about moving in.
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| Nearest major airport | John Glenn Columbus International Airport (CMH)83 miles away |
|---|---|
| Closer regional airport | Tri-State Airport / Milton J. Ferguson Field (HTS)36 miles away |
| Nearest city of 250,000+ | Columbus, OH83 miles away |
| Nearest city of 1 million+ | Chicago, IL327 miles away |
Straight-line distances from the center of Portsmouth; driving is longer.
Source: Airports from OurAirports (scheduled passenger service); city centers and populations from the U.S. Census Bureau.
Source: Members of Congress from the congress-legislators project; districts from the Census Bureau’s relationship files; governor and mayor from Wikidata.
Portsmouth had 18,252 residents in the 2020 census, down 13% since 2000.
It’s the 106th largest of 1,264 towns in Ohio by population.
Scioto County grew from 40,981 residents in 1900 to 74,008 in 2020.
Scioto County, 1900–2020
Source: U.S. Census Bureau decennial censuses (counties 1900–1990 from the Bureau’s historical county file).
Average highs peak around 87°F in summer, and winter lows average 23°F. About 43.2 inches of rain and melted snow fall in a typical year.
Source: NOAA 1991–2020 climate normals, Portsmouth-Sciotoville, OH weather station (3 miles away).
19,524 jobs at 1,240 businesses in Scioto County. The biggest industries by employees:
Source: U.S. Census Bureau County Business Patterns 2023 (private employers; jobs counted where people work).
1,140 doctors and other health care providers list an office in Portsmouth.
Nearest hospitals
Providers with an office here
| Primary care doctors | 37 |
|---|---|
| Specialist doctors | 140 |
| Dentists | 21 |
| Nurse practitioners and physician assistants | 176 |
| Mental health providers | 696 |
| Physical and occupational therapists | 45 |
| Optometrists | 16 |
| Chiropractors | 9 |
| Pharmacies | 27 |
Source: Hospitals from CMS Hospital General Information (ratings are CMS overall star ratings); straight-line distances; providers from the CMS National Plan and Provider Enumeration System (NPPES), by practice address and primary specialty.
Parks (1 nearby)
Grocery stores
Pharmacies
Libraries
Museums
Theaters and performance venues
Counts are within about 2.5 miles of the center of town.
Source: Map data © OpenStreetMap contributors (openstreetmap.org/copyright), as mapped by volunteers; it can miss places or include closed ones.
Established in 1803.
Notable people born here
Source: Wikidata (wikidata.org), the free knowledge base; people are listed by place of birth.
Public schools here are run by Clay Local, Portsmouth City, New Boston Local and others. Check each district’s attendance zones for a specific address.
| School | Grades | Students | Type | Distance |
|---|---|---|---|---|
| Clay Elementary SchoolPortsmouth | Pre-K–5 | 326 | Public | 2.9 mi |
| Portsmouth ElementaryPortsmouth | Pre-K–6 | 791 | Public | 5.1 mi |
| Stanton Primary Elementary SchoolNew Boston | Pre-K–3 | 136 | Public | 2.3 mi |
| East Portsmouth ElementarySciotoville | K–6 | 134 | Public | 3.0 mi |
| Sciotoville Community SchoolPortsmouth | K–12 | 373 | Charter | 3.3 mi |
| Oak Intermediate Elementary SchoolNew Boston | 4–6 | 87 | Public | 2.3 mi |
| Clay Middle SchoolPortsmouth | 6–8 | 134 | Public | 2.9 mi |
| Glenwood High SchoolNew Boston | 7–12 | 147 | Public | 2.3 mi |
| Portsmouth Junior High School/Portsmouth High SchoolPortsmouth | 7–12 | 636 | Public | 5.0 mi |
| Clay High SchoolPortsmouth | 9–12 | 145 | Public | 2.9 mi |
| School | Grades | Students | Affiliation | Distance |
|---|---|---|---|---|
| Portsmouth Stem AcademyPortsmouth | K–12 | 175 | Nonsectarian | 5.6 mi |
| Notre DamePortsmouth | 7–12 | 190 | Roman Catholic | 4.9 mi |
| Notre Dame Jr./Sr. High SchoolPortsmouth | 7–12 | 188 | Roman Catholic | 4.2 mi |
Source: U.S. Department of Education, NCES: Common Core of Data (2024-2025) for public schools; Private School Universe Survey (2023-2024) for private schools. Listed by address; we don’t rate schools.
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Shares ZIP codes with New Boston, Rosemount and Sciotodale.
Town boundaries don’t always match ZIP codes: a ZIP code can cross into neighboring towns, and a town can share a ZIP code with its neighbors. Facts describe the town itself; market figures describe whole ZIP codes.