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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 — ZIP/45212

45212

ZIP 45212 is in Cincinnati, Ohio, in Hamilton County; area codes 513 and 283; Eastern time. Cincinnati has 71 ZIP codes in all.

Type
Standard
Time zone
America/New_York
County
Hamilton
Population
21,526
Coordinates
39.1640, -84.4518
☼ Live from 45212 — Cincinnati, OH

Weather right now

Asking the National Weather Service…

NEXRAD radar
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Local time: —

Where 45212 is

Approximate ZIP boundary (Census ZCTA 2020). ZIP codes are mail routes, not areas, so the shape shown is the Census tabulation area that approximates it.

★ Weird and wonderful facts about 45212
  • 🔢 Type 45212 into a pocket calculator and turn it upside down: ZIZSh — not quite a word, sorry.
  • ➕ As a number, 45,212 = 2 × 2 × 89 × 127. Its digits add up to 14, a total 1,416 other ZIP codes share.
  • 💾In binary, the way a computer stores it: 1011000010011100
  • 🏠 Its numerical neighbours: 45211 (Cincinnati, OH, 8 mi away) and 45213 (Cincinnati, OH, 2 mi away).
  • 🔄 Backwards, 45212 becomes 21254, which is not a ZIP code at all.
  • 👥 32 other ZIP codes are made of exactly the same digits (12245, 12452, 12524, 12542, 14225, 14522, …). The farthest-flung twin is 51242 in Lester, IA, 683 miles away.
  • 🧭 Farther north than 50% of all ZIP codes, and farther east than 58%.
  • 🎯754 miles east of the geographic center of the Lower 48, near Lebanon, Kansas.
  • 🌏 Dig straight through the Earth from 45212 and you would come out at 39.16°S, 95.55°E — 1,242 miles from Perth, Australia, the nearest big city to that spot.
  • ☀Longest day of the year: 14h 55m of daylight. Shortest: 9h 25m.
  • 📏 At 3.7 square miles of land, 45212 is bigger than 16% of ZIP codes — room for about 2.8 Central Parks.
🌙 The sky over 45212 today
  • Working out the sun…
🌋 Shake report
  • Checking the USGS…

Source: USGS.

People and housing

Population21,526This ZIP21,526
Households10,127This ZIP10,127
Housing units11,433This ZIP11,433
Median age33.3This ZIP33.3Ohio39.7US 38.9
Median household income$72,422This ZIP$72,422Ohio$71,389US $80,734
Median home value$257,700This ZIP$257,700Ohio$214,800US $332,700
Median gross rent$976This ZIP$976Ohio$1,034US $1,413
Bachelor's degree or higher42.0%This ZIP42.0%
Mean commute21.6 minThis ZIP21.6 min
Population density5,871.8 / sq miThis ZIP5,871.8 / sq mi

Business and tax activity

Business establishments429This ZIP429
Employees10,295This ZIP10,295
Annual payroll$774,380,000This ZIP$774,380,000
Tax returns filed10,290This ZIP10,290
Total adjusted gross income$632,012,000This ZIP$632,012,000

Land area

Land area3.67 sq miThis ZIP3.67 sq mi
Water area0.00 sq mi

Other place names in 45212

Census places whose land this ZIP code overlaps. The Postal Service may accept other city names in an address, too.

ZIP codes near 45212

ZIPCityDistance
45275 Cincinnati, OH 0.3 mi
45280 Cincinnati, OH 0.3 mi
45209 Cincinnati, OH 1.5 mi
45207 Cincinnati, OH 1.8 mi
45229 Cincinnati, OH 2.0 mi
45213 Cincinnati, OH 2.1 mi
45237 Cincinnati, OH 2.1 mi
45208 Cincinnati, OH 2.2 mi
45217 Cincinnati, OH 2.5 mi
45216 Cincinnati, OH 3.0 mi

Find every ZIP code within 10 miles of 45212 →

Questions about this ZIP code

Where is ZIP code 45212?

45212 is in Cincinnati, Ohio, in Hamilton County, part of the Cincinnati, OH-KY-IN metropolitan area. Its published point location is 39.1640, -84.4518.

What county is 45212 in?

45212 lies in Hamilton County.

What area code is 45212?

Cincinnati uses area codes 513 and 283, from NANPA's telephone records.

What time zone is 45212 in?

45212 uses America/New_York.

How many people live in 45212?

About 21,526 people live in ZIP code 45212, in 10,127 households, at 5,871.8 people per square mile. These are American Community Survey 5-year estimates for the ZIP Code Tabulation Area, not a headcount.

What is the median household income in 45212?

$72,422 a year, against $71,389 across Ohio.

What ZIP codes are near 45212?

The closest are 45275 (0.3 mi), 45280 (0.3 mi), 45209 (1.5 mi), 45207 (1.8 mi) and 45229 (2 mi).

Is 45212 a PO Box ZIP code?

45212 is a standard ZIP code. A normal ZIP code with street delivery.

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Cite this page

zipcodes.pro. “45212 ZIP Code — Cincinnati, Ohio (Hamilton County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/45212

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