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

ZIP stands for Zone Improvement Plan. The codes went live on July 1, 1963.The lowest ZIP code is 00501 — the IRS in Holtsville, New York.The highest ZIP code is 99950, in Ketchikan, Alaska.Type 07734 into a calculator and turn it upside down: hELLO. It is Keansburg, New Jersey.12345 belongs to one company: General Electric in Schenectady, New York.The first digit is a region: 0 is New England and New Jersey, 9 is the West Coast, Alaska and Hawaii.Mr. ZIP, the cartoon mailman, was the mascot that sold the idea to America.ZIP+4 arrived in 1983 and can narrow a ZIP down to one side of one block.A ZIP code is a mail route, not a place: plenty of them cross county and even state lines.Play ZIP Hunt: guess the secret ZIP code of the day in six tries.
zipcodes.pro — CITY/OH/JOHNSTOWN

Johnstown ZIP code, Ohio

The ZIP code for Johnstown, OH is 43031, and its area codes are 740 and 220.

USPS city name
1 ZIP code
Population
5,286
Area codes
740, 220
State
Ohio

Johnstown in numbers

About 5,286 people live in Johnstown, in 1,968 households. The median household income is $91,713 a year, 28% above the Ohio median of $71,389 (US: $80,734). The median owner-occupied home is valued at $347,900 (62% above the Ohio median), and median gross rent is $886 a month. The median age is 35.6; 33.8% of adults 25 and over hold a bachelor's degree or higher (31.5% across Ohio); the average commute takes 26 minutes.

Population5,286Johnstown5,286
Households1,968Johnstown1,968
Median age35.6Johnstown35.6Ohio39.7US 38.9
Median household income$91,713Johnstown$91,713Ohio$71,389US $80,734
Median home value$347,900Johnstown$347,900Ohio$214,800US $332,700
Median gross rent$886Johnstown$886Ohio$1,034US $1,413
Bachelor's degree or higher33.8%Johnstown33.8%Ohio31.5%US 35.7%
Mean commute25.8 minJohnstown25.8 minOhio23.4 minUS 26.4 min
Population density1,771 / sq miJohnstown1,771 / sq mi

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

ZIP codes addressed as Johnstown

ZIP codes with the USPS city name Johnstown
ZIP City Type Population Median income Median home
43031 Johnstown , OH Standard 13,876 $110,930 $389,900

Map of Johnstown ZIP codes

43031

The ZIP codes of Johnstown, OH, 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.

Towns near Johnstown

The nearest larger towns are New Albany (10,896 people, 6.2 mi), Pataskala (18,223 people, 9.1 mi) and Granville (5,999 people, 12 mi).

Towns near Johnstown
TownPopulationDistance
New Albany 10,896 6.2 mi
Beechwood Trails 3,133 8.4 mi
Pataskala 18,223 9.1 mi
Granville 5,999 11.6 mi
Westerville 38,645 12.1 mi
Sunbury 8,005 12.3 mi
Huber Ridge 4,111 12.8 mi
Gahanna 35,486 12.8 mi
Reynoldsburg 41,224 14.1 mi
Newark 50,783 14.9 mi
Heath 10,644 15.7 mi
Whitehall 20,019 16.2 mi
Hebron 2,508 16.5 mi
Worthington 14,938 18.0 mi

More nearby: every ZIP code in Licking County · Ohio ZIP codes

Cite this page

zipcodes.pro. “Johnstown, OH ZIP codes.” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/city/oh/johnstown

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