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/SIDNEY

Sidney ZIP codes, Ohio

Sidney, OH has 2 ZIP codes (45365 and 45367) and area codes 937 and 326. The largest is 45365.

USPS city name
2 ZIP codes
Population
20,501
Area codes
937, 326
State
Ohio

Sidney in numbers

About 20,501 people live in Sidney, in 8,904 households. The median household income is $60,668 a year, 15% below the Ohio median of $71,389 (US: $80,734). The median owner-occupied home is valued at $169,900 (21% below the Ohio median), and median gross rent is $869 a month. The median age is 40.7; 18.6% of adults 25 and over hold a bachelor's degree or higher (31.5% across Ohio); the average commute takes 17 minutes.

Population20,501Sidney20,501
Households8,904Sidney8,904
Median age40.7Sidney40.7Ohio39.7US 38.9
Median household income$60,668Sidney$60,668Ohio$71,389US $80,734
Median home value$169,900Sidney$169,900Ohio$214,800US $332,700
Median gross rent$869Sidney$869Ohio$1,034US $1,413
Bachelor's degree or higher18.6%Sidney18.6%Ohio31.5%US 35.7%
Mean commute17.2 minSidney17.2 minOhio23.4 minUS 26.4 min
Population density1,713 / sq miSidney1,713 / sq mi

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

ZIP codes addressed as Sidney

ZIP codes with the USPS city name Sidney
ZIP City Type Population Median income Median home
45365 Sidney , OH Standard 28,965 $67,051 $181,800
45367 Sidney , OH No street area — — —

Map of Sidney ZIP codes

4536545367

The ZIP codes of Sidney, 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 Sidney

The nearest larger towns are Piqua (20,646 people, 11 mi), Troy (26,842 people, 17 mi) and Huber Heights (43,455 people, 30 mi).

Towns near Sidney
TownPopulationDistance
Piqua 20,646 10.6 mi
Minster 3,182 13.3 mi
New Bremen 2,787 15.0 mi
Covington 2,596 15.4 mi
Versailles 2,715 17.3 mi
Troy 26,842 17.4 mi
Wapakoneta 9,894 19.1 mi
St. Marys 8,301 21.4 mi
Bellefontaine 13,807 21.9 mi
Tipp City 10,439 22.5 mi
West Milton 4,771 24.3 mi
New Carlisle 5,544 24.9 mi
Urbana 11,204 25.1 mi
St. Henry 2,741 26.1 mi

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

Cite this page

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

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