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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/49345

49345

ZIP 49345 is Sparta, Michigan, in Kent County; area code 616; Eastern time.

Type
Standard
Time zone
America/Detroit
County
Kent
Population
13,512
Coordinates
43.1539, -85.7052
☼ Live from 49345 — Sparta, MI

Weather right now

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Local time: —

Where 49345 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 49345
  • 🔢 Type 49345 into a pocket calculator and turn it upside down: ShEGh — not quite a word, sorry.
  • ➕ As a number, 49,345 = 5 × 71 × 139. Its digits add up to 25, a total 2,242 other ZIP codes share.
  • 💾In binary, the way a computer stores it: 1100000011000001
  • 🏠 Its numerical neighbours: 49344 (Shelbyville, MI, 39 mi away) and 49346 (Stanwood, MI, 34 mi away).
  • 🔄 Backwards, 49345 becomes 54394, which is not a ZIP code at all.
  • 👥 25 other ZIP codes are made of exactly the same digits (34945, 34954, 35449, 43549, 43945, 45349, …). The farthest-flung twin is 93445 in Oceano, CA, 1,938 miles away.
  • 🧭 Farther north than 84% of all ZIP codes, and farther east than 55%.
  • 🎯704 miles northeast of the geographic center of the Lower 48, near Lebanon, Kansas.
  • 🌏 Dig straight through the Earth from 49345 and you would come out at 43.15°S, 94.29°E — 1,221 miles from Port-aux-Français, French Southern Territories, the nearest big city to that spot.
  • ☀Longest day of the year: 15h 23m of daylight. Shortest: 8h 59m.
  • 📏 At 52.2 square miles of land, 49345 is bigger than 61% of ZIP codes — room for about 40 Central Parks.
🌙 The sky over 49345 today
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🌋 Shake report
  • Checking the USGS…

Source: USGS.

People and housing

Population13,512This ZIP13,512
Households5,191This ZIP5,191
Housing units5,319This ZIP5,319
Median age41.0This ZIP41.0Michigan40.2US 38.9
Median household income$85,463This ZIP$85,463Michigan$72,875US $80,734
Median home value$274,200This ZIP$274,200Michigan$231,600US $332,700
Median gross rent$986This ZIP$986Michigan$1,129US $1,413
Bachelor's degree or higher29.2%This ZIP29.2%
Mean commute24.4 minThis ZIP24.4 min
Population density259.0 / sq miThis ZIP259.0 / sq mi

Business and tax activity

Business establishments257This ZIP257
Employees4,513This ZIP4,513
Annual payroll$234,994,000This ZIP$234,994,000
Tax returns filed6,880This ZIP6,880
Total adjusted gross income$497,079,000This ZIP$497,079,000

Land area

Land area52.18 sq miThis ZIP52.18 sq mi
Water area0.80 sq miThis ZIP0.80 sq mi

Other place names in 49345

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

ZIP codes near 49345

ZIPCityDistance
49321 Comstock Park, MI 5.7 mi
49330 Kent City, MI 6.3 mi
49351 Rockford, MI 7.7 mi
49318 Casnovia, MI 7.7 mi
49403 Conklin, MI 7.7 mi
49544 Grand Rapids, MI 8.2 mi
49306 Belmont, MI 8.9 mi
49319 Cedar Springs, MI 10.4 mi
49525 Grand Rapids, MI 10.7 mi
49341 Rockford, MI 11.0 mi

Find every ZIP code within 10 miles of 49345 →

Questions about this ZIP code

Where is ZIP code 49345?

49345 is in Sparta, Michigan, in Kent County, part of the Grand Rapids-Wyoming-Kentwood, MI metropolitan area. Its published point location is 43.1539, -85.7052.

What county is 49345 in?

49345 lies in Kent County.

What area code is 49345?

Sparta uses area code 616, from NANPA's telephone records.

What time zone is 49345 in?

49345 uses America/Detroit.

How many people live in 49345?

About 13,512 people live in ZIP code 49345, in 5,191 households, at 259.0 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 49345?

$85,463 a year, against $72,875 across Michigan.

What ZIP codes are near 49345?

The closest are 49321 (5.7 mi), 49330 (6.3 mi), 49351 (7.7 mi), 49318 (7.7 mi) and 49403 (7.7 mi).

Is 49345 a PO Box ZIP code?

49345 is a standard ZIP code. A normal ZIP code with street delivery.

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Cite this page

zipcodes.pro. “49345 ZIP Code — Sparta, Michigan (Kent County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/49345

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