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/MI/MIDDLETOWN

Middletown ZIP codes, Michigan

No ZIP code is named for Middletown, MI; addresses there use a neighbouring town's name. 2 ZIP codes cover it: 48867 and 48817.

USPS city name
0 ZIP codes
Overlapping the city
2 more
Population
799

Middletown in numbers

About 799 people live in Middletown, in 323 households. The median household income is $46,250 a year, 37% below the Michigan median of $72,875 (US: $80,734). The median owner-occupied home is valued at $90,700 (61% below the Michigan median), and median gross rent is $869 a month. The median age is 43.0; 6.9% of adults 25 and over hold a bachelor's degree or higher (32.4% across Michigan); the average commute takes 27 minutes.

Population799Middletown799
Households323Middletown323
Median age43.0Middletown43.0Michigan40.2US 38.9
Median household income$46,250Middletown$46,250Michigan$72,875US $80,734
Median home value$90,700Middletown$90,700Michigan$231,600US $332,700
Median gross rent$869Middletown$869Michigan$1,129US $1,413
Bachelor's degree or higher6.9%Middletown6.9%Michigan32.4%US 35.7%
Mean commute26.8 minMiddletown26.8 minMichigan24.2 minUS 26.4 min
Population density1,704 / sq miMiddletown1,704 / sq mi

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

ZIP codes covering Middletown

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

ZIP codes overlapping Middletown
ZIP City Type Population Median income Median home
48817 Corunna , MI Standard 5,416 $55,194 $171,700
48867 Owosso , MI Standard 27,500 $59,825 $154,400

Map of Middletown ZIP codes

4881748867

The ZIP codes of Middletown, MI, 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 Middletown

The nearest larger towns are Corunna (3,037 people, 1.4 mi), Owosso (14,632 people, 1.8 mi) and Durand (3,483 people, 9.3 mi).

Towns near Middletown
TownPopulationDistance
Corunna 3,037 1.4 mi
Owosso 14,632 1.8 mi
Durand 3,483 9.3 mi
Flushing 8,284 16.1 mi
Swartz Creek 5,853 16.6 mi
Bath 2,896 19.6 mi
Haslett 18,559 20.7 mi
St. Johns 7,715 20.9 mi
Linden 4,160 21.7 mi
Williamston 3,807 22.1 mi
Fowlerville 2,918 22.9 mi
Flint 80,175 22.9 mi
Beecher 8,412 23.3 mi
Okemos 26,396 23.6 mi

More nearby: every ZIP code in Shiawassee County · Michigan ZIP codes

Cite this page

zipcodes.pro. “Middletown, MI ZIP codes.” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/city/mi/middletown

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