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 — ZIP/45505

45505

ZIP 45505 is in Springfield, Ohio, in Clark County; area codes 937 and 326; Eastern time. Springfield has 6 ZIP codes; the others are 45501, 45502, 45503, 45504 and 45506.

Type
Standard
Time zone
America/New_York
County
Clark
Metro area
Springfield, OH
Population
19,826
Coordinates
39.9017, -83.7575
☼ Live from 45505 — Springfield, OH

Weather right now

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Local time: —

Where 45505 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 45505
  • 🔢 Type 45505 into a pocket calculator and turn it upside down: SOSSh — not quite a word, sorry.
  • ➕ As a number, 45,505 = 5 × 19 × 479. Its digits add up to 19, a total 2,454 other ZIP codes share.
  • 💾In binary, the way a computer stores it: 1011000111000001
  • 🏠 Its numerical neighbours: 45504 (Springfield, OH, 6 mi away) and 45506 (Springfield, OH, 4 mi away).
  • 🔄 Backwards, 45505 becomes 50554 — and that is a real ZIP code: Laurens, IA, 609 miles away.
  • 👥 12 other ZIP codes are made of exactly the same digits (04555, 05455, 40555, 45055, 50455, 50545, …). The farthest-flung twin is 04555 in Nobleboro, ME, 787 miles away.
  • 🧭 Farther north than 55% of all ZIP codes, and farther east than 61%.
  • 🎯785 miles east of the geographic center of the Lower 48, near Lebanon, Kansas.
  • 🌏 Dig straight through the Earth from 45505 and you would come out at 39.90°S, 96.24°E — 1,224 miles from Perth, Australia, the nearest big city to that spot.
  • ☀Longest day of the year: 15h 00m of daylight. Shortest: 9h 20m.
  • 📏 At 13.6 square miles of land, 45505 is bigger than 31% of ZIP codes — room for about 10 Central Parks.
🌙 The sky over 45505 today
  • Working out the sun…
🌋 Shake report
  • Checking the USGS…

Source: USGS.

People and housing

Population19,826This ZIP19,826
Households8,155This ZIP8,155
Housing units9,274This ZIP9,274
Median age35.1This ZIP35.1Ohio39.7US 38.9
Median household income$43,819This ZIP$43,819Ohio$71,389US $80,734
Median home value$95,500This ZIP$95,500Ohio$214,800US $332,700
Median gross rent$825This ZIP$825Ohio$1,034US $1,413
Bachelor's degree or higher12.0%This ZIP12.0%
Mean commute22.9 minThis ZIP22.9 min
Population density1,455.9 / sq miThis ZIP1,455.9 / sq mi

Business and tax activity

Business establishments318This ZIP318
Employees5,945This ZIP5,945
Annual payroll$256,566,000This ZIP$256,566,000
Tax returns filed8,490This ZIP8,490
Total adjusted gross income$361,453,000This ZIP$361,453,000

Land area

Land area13.62 sq miThis ZIP13.62 sq mi
Water area0.05 sq miThis ZIP0.05 sq mi

Other place names in 45505

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

ZIP codes near 45505

ZIPCityDistance
45501 Springfield, OH 3.2 mi
45506 Springfield, OH 4.2 mi
45503 Springfield, OH 4.4 mi
45504 Springfield, OH 6.5 mi
45368 South Charleston, OH 7.0 mi
45316 Clifton, OH 8.0 mi
45372 Tremont City, OH 8.9 mi
45369 South Vienna, OH 9.3 mi
45323 Enon, OH 9.7 mi
43010 Catawba, OH 9.9 mi

Find every ZIP code within 10 miles of 45505 →

Questions about this ZIP code

Where is ZIP code 45505?

45505 is in Springfield, Ohio, in Clark County, part of the Springfield, OH metropolitan area. Its published point location is 39.9017, -83.7575.

What county is 45505 in?

45505 lies in Clark County.

What area code is 45505?

Springfield uses area codes 937 and 326, from NANPA's telephone records.

What time zone is 45505 in?

45505 uses America/New_York.

How many people live in 45505?

About 19,826 people live in ZIP code 45505, in 8,155 households, at 1,455.9 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 45505?

$43,819 a year, against $71,389 across Ohio.

What ZIP codes are near 45505?

The closest are 45501 (3.2 mi), 45506 (4.2 mi), 45503 (4.4 mi), 45504 (6.5 mi) and 45368 (7 mi).

Is 45505 a PO Box ZIP code?

45505 is a standard ZIP code. A normal ZIP code with street delivery.

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Cite this page

zipcodes.pro. “45505 ZIP Code — Springfield, Ohio (Clark County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/45505

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