Every ZIP code in the United States, with weather, radar, trivia and the numbers behind it. Five digits since 1963!

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zipcodes.pro — STATE/OH/COUNTY/ROSS

Ross County, OH ZIP codes

There are 10 ZIP codes in Ross County, OH, in 10 towns, from 43101 to 45681. The largest are 45601 (Chillicothe), 45628 (Frankfort) and 45612 (Bainbridge). 1 more crosses into it from a neighbouring county: 45123.

The county seat is Chillicothe.

ZIP codes
10
Partly in it
1 more
Towns
10
County seat
Chillicothe
County FIPS
39141
State
Ohio
Population
76,492
Median household income
$61,303
Land area
689 sq mi
Area codes
220, 740
Metro area
Chillicothe

Ross County ZIP codes by town

Chillicothe (county seat)
45601

Each ZIP code is listed under the county most of its land lies in and the town the Postal Service names it for; a ZIP code's own page shows exactly how it is split.

ZIP codes partly in Ross County

This ZIP code lies mostly in a neighbouring county but covers a twentieth or more of Ross County.

Map of Ross County ZIP codes

The ZIP codes of Ross County, shaded. Outlines are Census ZIP Code Tabulation Areas (2020), which approximate the mail routes; PO-box and single-address codes have no area and are not drawn. Click any area to open its ZIP code.

Ross County in numbers

About 76,492 people live in Ross County, in 29,808 households, the 32nd most populous of Ohio's 88 counties. The median household income is $61,303 a year, 14% below the Ohio median of $71,389 (US: $80,734). The median owner-occupied home is valued at $171,500 (20% below the Ohio median), and median gross rent is $906 a month. The median age is 41.1; 17.4% of adults 25 and over hold a bachelor's degree or higher (31.5% across Ohio); the average commute takes 26 minutes.

Population76,492Ross76,492
Households29,808Ross29,808
Median age41.1Ross41.1Ohio39.7US 38.9
Median household income$61,303Ross$61,303Ohio$71,389US $80,734
Median home value$171,500Ross$171,500Ohio$214,800US $332,700
Median gross rent$906Ross$906Ohio$1,034US $1,413
Bachelor's degree or higher17.4%Ross17.4%Ohio31.5%US 35.7%
Mean commute26.4 minRoss26.4 minOhio23.4 minUS 26.4 min
Population density111 / sq miRoss111 / sq mi

U.S. Census Bureau, American Community Survey 2020–2024 5-year estimates. Survey estimates carry margins of error, wider for small places. Sources and methods.

Largest towns in Ross County

Largest towns in Ross County
TownZIP codesPopulation
Chillicothe 1 21,902
Frankfort 1 1,171
Kingston 1 703
Bainbridge 1 617
Bourneville 1 509
Richmond Dale 1 473
Clarksburg 1 464
Adelphi 1 316
South Salem 1 185

Population of the census place of that name where there is one, otherwise of the ZIP codes the Postal Service addresses by it. A town's ZIP codes can reach past the county line.

Neighbouring counties

Counties that share a ZIP code with Ross County.

Not sure you are in Ross County? What county am I in? answers from your location, near a county line included.

Every ZIP code in Ross County, with figures

ZIP codes in Ross County
ZIP City Type Population Median income Median home
43101 Adelphi , OH Standard 316 $39,107 $164,300
43115 Clarksburg , OH Standard 1,796 $94,265 $156,700
45601 Chillicothe , OH Standard 55,836 $59,748 $173,100
45612 Bainbridge , OH Standard 4,933 $53,500 $147,300
45617 Bourneville , OH Standard 0 — —
45628 Frankfort , OH Standard 5,999 $72,587 $182,800
45633 Hallsville , OH No street area — — —
45644 Kingston , OH Standard 4,619 $74,219 $238,300
45673 Richmond Dale , OH Standard 473 $64,438 $87,000
45681 South Salem , OH Standard 1,451 $49,510 $143,200

Cite this page

zipcodes.pro. “Ross County ZIP codes.” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/state/oh/county/ross

Underlying data is public domain or openly licensed — sources, vintages and licences.