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/CHILLICOTHE

Chillicothe ZIP code, Ohio

The ZIP code for Chillicothe, OH is 45601, and its area codes are 740 and 220.

USPS city name
1 ZIP code
Population
21,902
Area codes
740, 220
State
Ohio

Chillicothe in numbers

About 21,902 people live in Chillicothe, in 9,783 households. The median household income is $54,086 a year, 24% below the Ohio median of $71,389 (US: $80,734). The median owner-occupied home is valued at $162,500 (24% below the Ohio median), and median gross rent is $887 a month. The median age is 40.7; 21.8% of adults 25 and over hold a bachelor's degree or higher (31.5% across Ohio); the average commute takes 22 minutes.

Population21,902Chillicothe21,902
Households9,783Chillicothe9,783
Median age40.7Chillicothe40.7Ohio39.7US 38.9
Median household income$54,086Chillicothe$54,086Ohio$71,389US $80,734
Median home value$162,500Chillicothe$162,500Ohio$214,800US $332,700
Median gross rent$887Chillicothe$887Ohio$1,034US $1,413
Bachelor's degree or higher21.8%Chillicothe21.8%Ohio31.5%US 35.7%
Mean commute21.6 minChillicothe21.6 minOhio23.4 minUS 26.4 min
Population density2,086 / sq miChillicothe2,086 / sq mi

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

ZIP codes addressed as Chillicothe

ZIP codes with the USPS city name Chillicothe
ZIP City Type Population Median income Median home
45601 Chillicothe , OH Standard 55,836 $59,748 $173,100

Map of Chillicothe ZIP codes

45601

The ZIP codes of Chillicothe, 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 Chillicothe

The nearest larger towns are Lancaster (41,249 people, 34 mi), Grove City (42,517 people, 38 mi) and Pickerington (24,477 people, 40 mi).

Towns near Chillicothe
TownPopulationDistance
Waverly 4,127 14.8 mi
Circleville 14,142 18.3 mi
Greenfield 3,966 21.0 mi
South Bloomfield 3,329 26.0 mi
Ashville 4,648 26.6 mi
Washington Court House 14,439 26.8 mi
Jackson 6,231 27.8 mi
Wellston 5,452 29.0 mi

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

Cite this page

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

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