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/NORTHGATE

Northgate ZIP codes, Ohio

No ZIP code is named for Northgate, OH; addresses there use a neighbouring town's name. 2 ZIP codes cover it: 45231 and 45251.

USPS city name
0 ZIP codes
Overlapping the city
2 more
Population
6,723
State
Ohio

Northgate in numbers

About 6,723 people live in Northgate, in 2,551 households. The median household income is $73,672 a year, 3% above the Ohio median of $71,389 (US: $80,734). The median owner-occupied home is valued at $174,300 (19% below the Ohio median), and median gross rent is $966 a month. The median age is 40.0; 19.0% of adults 25 and over hold a bachelor's degree or higher (31.5% across Ohio); the average commute takes 27 minutes.

Population6,723Northgate6,723
Households2,551Northgate2,551
Median age40.0Northgate40.0Ohio39.7US 38.9
Median household income$73,672Northgate$73,672Ohio$71,389US $80,734
Median home value$174,300Northgate$174,300Ohio$214,800US $332,700
Median gross rent$966Northgate$966Ohio$1,034US $1,413
Bachelor's degree or higher19.0%Northgate19.0%Ohio31.5%US 35.7%
Mean commute27.0 minNorthgate27.0 minOhio23.4 minUS 26.4 min
Population density2,662 / sq miNorthgate2,662 / sq mi

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

ZIP codes covering Northgate

These ZIP codes cover part of Northgate but are addressed as somewhere else.

ZIP codes overlapping Northgate
ZIP City Type Population Median income Median home
45231 Cincinnati , OH Standard 40,463 $71,353 $176,000
45251 Cincinnati , OH Standard 20,254 $74,614 $185,300

Map of Northgate ZIP codes

4523145251

The ZIP codes of Northgate, 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 Northgate

The nearest larger towns are Northbrook (10,742 people, 0.8 mi), Groesbeck (7,824 people, 1.7 mi) and Mount Healthy (6,919 people, 2.8 mi).

Towns near Northgate
TownPopulationDistance
Northbrook 10,742 0.8 mi
Groesbeck 7,824 1.7 mi
Mount Healthy Heights 3,263 1.8 mi
New Burlington 5,426 2.2 mi
Dry Ridge 2,554 2.7 mi
Mount Healthy 6,919 2.8 mi
Pleasant Run 5,629 2.9 mi
White Oak 19,216 3.0 mi
North College Hill 9,555 3.3 mi
Greenhills 3,702 4.0 mi
Pleasant Run Farm 4,524 4.1 mi
Forest Park 20,025 4.2 mi
Taylor Creek 4,253 4.9 mi
Finneytown 12,506 4.9 mi

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

Cite this page

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

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