What is the largest city in Scioto County, OH?

Portsmouth is the largest city or town in Scioto County, with about 17,728 residents.

How many ZIP codes are in Scioto County?

Scioto County includes 14 ZIP Code Tabulation Areas, including 45629, 45630, 45636, 45648, 45652.

What is the population of Scioto County, OH?

About 72,627 people live in Scioto County, based on American Community Survey 5-year estimates.

What counties border Scioto County?

Scioto County borders Lawrence County, Greenup County, KY, Jackson County, Adams County, Pike County, Lewis County, KY.

Scioto County, OH: Cities, ZIP Codes & Local Data

Population

72,627

Land area

610sq mi

People per sq mi

119

ZIP codes

14

Scioto County at a glance

Scioto County is 59% less dense than Ohio as a whole.
The median household income is $50,609, 29% below the Ohio median of $71,389.
A typical owner-occupied home is valued at $137,900 (36% below Ohio) and median rent is $742 a month.
Its largest cities are Portsmouth (17,728), Wheelersburg (6,313) and West Portsmouth (2,605).

Local data for Scioto County, OH

Counts from official public data

Housing and community stats

Scioto County, OH, American Community Survey 2020-2024

Full profile

Median household income

$50,609

Poverty rate

21.8%

Median home value

$137,900

Prices +6.9% in a year

Median rent

$742/mo

Homeownership

68.4%

Bachelor's or higher

18.2%

Median age

41.1

Average commute

27.9 min

Largest reported origins and ancestries: German Americans (10,384), Irish Americans (9,076), Scottish Americans (1,218).

Home values and rents Income, education and commute

Economy and federal money

Jobs, income, federal spending and pandemic loans

Details

Unemployment rate

5.0%

Aug 2026, -1.4 pts in a year

Average annual pay

$52,311

25,000 jobs, 2025

Income per person

$51,484

BEA, 2024

Federal spending

$499M

FY 2026, $6,746 per person

PPP loans

$88.9M

1,176 loans, 14,065 jobs reported

Campaign donations

$129K

Itemized, 2026 cycle

Economy Federal spending PPP loans

How people get to work

Scioto County, OH, workers 16 and older. American Community Survey 5-year estimates

Drove alone84.4%
Carpooled7.4%
Public transit0.1%
Walked1.6%
Bicycle0.2%
Taxi, ride-hailing, motorcycle or other0.8%
Worked from home5.6%

Average one-way commute: 27.9 minutes for people who do not work from home.

Environment and hazard risk

Scioto County, OH, from FEMA, NOAA and EPA

Full report

Natural hazard risk

Relatively Low

Top: heat wave

Storm events since 1996

653

Most often thunderstorm wind

Flood insurance policies

221

0.7% of homes, county

July high / Jan low

87° / 23°F

43.1 inches of rain a year

Hazards, floods and storm history Check a flood zone 35 historic places

Health statistics

Share of adults in Scioto County, OH, CDC PLACES estimates

All 40 measures

Obesity

44.7%

U.S. 33.3% +11.4 pts

Diabetes

15.3%

U.S. 12.1% +3.2 pts

Smoking

20.8%

U.S. 12.8% +8.0 pts

Uninsured (18-64)

9.5%

U.S. 11.1% -1.6 pts

Cities, towns and ZIP codes in Scioto County

Population shown

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Frequently asked questions

What is the largest city in Scioto County, OH?: Portsmouth is the largest city or town in Scioto County, with about 17,728 residents.
How many ZIP codes are in Scioto County?: Scioto County includes 14 ZIP Code Tabulation Areas, including 45629, 45630, 45636, 45648, 45652.
What is the population of Scioto County, OH?: About 72,627 people live in Scioto County, based on American Community Survey 5-year estimates.
What counties border Scioto County?: Scioto County borders Lawrence County, Greenup County, KY, Jackson County, Adams County, Pike County, Lewis County, KY.