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zipcodes.pro — STATE/OH/COUNTY/GUERNSEY

Guernsey County, OH ZIP codes

There are 13 ZIP codes in Guernsey County, OH, in 13 towns, from 43722 to 43780. The largest are 43725 (Cambridge), 43723 (Byesville) and 43773 (Quaker City). 1 more crosses into it from a neighbouring county: 43973.

The county seat is Cambridge.

ZIP codes
13
Partly in it
1 more
Towns
13
County seat
Cambridge
County FIPS
39059
State
Ohio
Population
38,223
Median household income
$58,478
Land area
522 sq mi
Metro area
Cambridge

Guernsey County ZIP codes by town

Cambridge (county seat)
43725

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 Guernsey County

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

Map of Guernsey County ZIP codes

The ZIP codes of Guernsey 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.

Guernsey County in numbers

About 38,223 people live in Guernsey County, in 16,318 households, the 65th most populous of Ohio's 88 counties. The median household income is $58,478 a year, 18% below the Ohio median of $71,389 (US: $80,734). The median owner-occupied home is valued at $157,700 (27% below the Ohio median), and median gross rent is $864 a month. The median age is 42.9; 15.6% of adults 25 and over hold a bachelor's degree or higher (31.5% across Ohio); the average commute takes 23 minutes.

Population38,223Guernsey38,223
Households16,318Guernsey16,318
Median age42.9Guernsey42.9Ohio39.7US 38.9
Median household income$58,478Guernsey$58,478Ohio$71,389US $80,734
Median home value$157,700Guernsey$157,700Ohio$214,800US $332,700
Median gross rent$864Guernsey$864Ohio$1,034US $1,413
Bachelor's degree or higher15.6%Guernsey15.6%Ohio31.5%US 35.7%
Mean commute22.9 minGuernsey22.9 minOhio23.4 minUS 26.4 min
Population density73 / sq miGuernsey73 / 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 Guernsey County

Largest towns in Guernsey County
TownZIP codesPopulation
Cambridge 1 10,060
Byesville 1 2,239
Buffalo 1 936
Senecaville 1 406
Cumberland 1 319
Lore City 1 300
Quaker City 1 275
Old Washington 1 223
Kimbolton 1 135
Kipling 1 110
Salesville 1 100
Derwent 1 66
Fairview 1 37

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 Guernsey County.

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

Every ZIP code in Guernsey County, with figures

ZIP codes in Guernsey County
ZIP City Type Population Median income Median home
43722 Buffalo , OH Standard 617 — $141,700
43723 Byesville , OH Standard 4,472 $51,474 $110,800
43725 Cambridge , OH Standard 19,453 $57,835 $164,400
43732 Cumberland , OH Standard 1,813 $72,500 $155,300
43733 Derwent , OH Standard 66 — —
43736 Fairview , OH Standard 14 $66,875 —
43749 Kimbolton , OH Standard 2,764 $65,565 $159,200
43750 Kipling , OH Standard 110 — $97,900
43755 Lore City , OH Standard 1,750 $68,581 $166,700
43768 Old Washington , OH Standard 211 $64,063 $137,500
43773 Quaker City , OH Standard 2,546 $52,826 $154,500
43778 Salesville , OH Standard 1,378 $65,556 $187,500
43780 Senecaville , OH Standard 2,515 $66,080 $181,300

Cite this page

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

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