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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/45131

45131

ZIP 45131 is Higginsport, Ohio, in Brown County; area code 937; Eastern time.

Type
Standard
Time zone
America/New_York
County
Brown
Population
278
Coordinates
38.7898, -83.9670
☼ Live from 45131 — Higginsport, OH

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Local time: —

Where 45131 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 45131
  • 🔢 Type 45131 into a pocket calculator and turn it upside down: IEISh — not quite a word, sorry.
  • ➕ 45131 is a prime number. It cannot be divided by anything except 1 and itself. Its digits add up to 14, a total 1,416 other ZIP codes share.
  • 💾In binary, the way a computer stores it: 1011000001001011
  • 🏠 Its numerical neighbours: 45130 (Hamersville, OH, 8 mi away) and 45132 (Highland, OH, 43 mi away).
  • 🔄 Backwards, 45131 becomes 13154 — and that is a real ZIP code: South Butler, NY, 481 miles away.
  • 👥 32 other ZIP codes are made of exactly the same digits (11354, 11435, 13145, 13154, 13415, 14135, …). The farthest-flung twin is 51341 in Gillett Grove, IA, 647 miles away.
  • 🧭 Farther south than 53% of all ZIP codes, and farther east than 60%.
  • 🎯784 miles east of the geographic center of the Lower 48, near Lebanon, Kansas.
  • 🌏 Dig straight through the Earth from 45131 and you would come out at 38.79°S, 96.03°E — 1,210 miles from Perth, Australia, the nearest big city to that spot.
  • ☀Longest day of the year: 14h 53m of daylight. Shortest: 9h 27m.
  • 📏 At 0.251 square miles of land, 45131 is bigger than 3% of ZIP codes — about 121 football fields.
🌙 The sky over 45131 today
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🌋 Shake report
  • Checking the USGS…

Source: USGS.

People and housing

Population278This ZIP278
Households88This ZIP88
Housing units116This ZIP116
Median age48.1This ZIP48.1Ohio39.7US 38.9
Median household income$53,125This ZIP$53,125Ohio$71,389US $80,734
Median home value$104,200This ZIP$104,200Ohio$214,800US $332,700
Median gross rent$619This ZIP$619Ohio$1,034US $1,413
Bachelor's degree or higher4.8%This ZIP4.8%
Mean commute38.6 minThis ZIP38.6 min
Population density1,107.6 / sq miThis ZIP1,107.6 / sq mi

Land area

Land area0.25 sq miThis ZIP0.25 sq mi
Water area0.04 sq miThis ZIP0.04 sq mi

Other place names in 45131

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

ZIP codes near 45131

ZIPCityDistance
41002 Augusta, KY 3.3 mi
45121 Georgetown, OH 6.2 mi
45119 Feesburg, OH 6.3 mi
41062 Minerva, KY 6.4 mi
45120 Felicity, OH 7.1 mi
41034 Dover, KY 8.0 mi
45130 Hamersville, OH 8.4 mi
45112 Chilo, OH 9.3 mi
45167 Ripley, OH 9.6 mi
45168 Russellville, OH 11.4 mi

Find every ZIP code within 10 miles of 45131 →

Questions about this ZIP code

Where is ZIP code 45131?

45131 is in Higginsport, Ohio, in Brown County, part of the Cincinnati, OH-KY-IN metropolitan area. Its published point location is 38.7898, -83.9670.

What county is 45131 in?

45131 lies in Brown County.

What area code is 45131?

Higginsport uses area code 937, from NANPA's telephone records.

What time zone is 45131 in?

45131 uses America/New_York.

How many people live in 45131?

About 278 people live in ZIP code 45131, in 88 households, at 1,107.6 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 45131?

$53,125 a year, against $71,389 across Ohio.

What ZIP codes are near 45131?

The closest are 41002 (3.3 mi), 45121 (6.2 mi), 45119 (6.3 mi), 41062 (6.4 mi) and 45120 (7.1 mi).

Is 45131 a PO Box ZIP code?

45131 is a standard ZIP code. A normal ZIP code with street delivery.

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Cite this page

zipcodes.pro. “45131 ZIP Code — Higginsport, Ohio (Brown County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/45131

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