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/MO/HAMILTON

Hamilton ZIP code, Missouri

The ZIP code for Hamilton, MO is 64644, and its area code is 816.

USPS city name
1 ZIP code
Population
1,755
Area code
816

Hamilton in numbers

About 1,755 people live in Hamilton, in 715 households. The median household income is $65,213 a year, 8% below the Missouri median of $70,702 (US: $80,734). The median owner-occupied home is valued at $165,700 (28% below the Missouri median), and median gross rent is $685 a month. The median age is 36.1; 28.1% of adults 25 and over hold a bachelor's degree or higher (32.4% across Missouri); the average commute takes 24 minutes.

Population1,755Hamilton1,755
Households715Hamilton715
Median age36.1Hamilton36.1Missouri39.0US 38.9
Median household income$65,213Hamilton$65,213Missouri$70,702US $80,734
Median home value$165,700Hamilton$165,700Missouri$230,300US $332,700
Median gross rent$685Hamilton$685Missouri$1,033US $1,413
Bachelor's degree or higher28.1%Hamilton28.1%Missouri32.4%US 35.7%
Mean commute24.1 minHamilton24.1 minMissouri23.5 minUS 26.4 min
Population density1,195 / sq miHamilton1,195 / sq mi

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

ZIP codes addressed as Hamilton

ZIP codes with the USPS city name Hamilton
ZIP City Type Population Median income Median home
64644 Hamilton , MO Standard 2,923 $74,408 $193,600

Map of Hamilton ZIP codes

The ZIP codes of Hamilton, MO, 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 Hamilton

The nearest larger towns are Cameron (8,519 people, 12 mi), Lathrop (2,560 people, 21 mi) and Chillicothe (8,923 people, 24 mi).

Towns near Hamilton
TownPopulationDistance
Cameron 8,519 12.2 mi
Lathrop 2,560 21.0 mi
Chillicothe 8,923 24.3 mi
Lawson 2,905 24.4 mi

More nearby: every ZIP code in Caldwell County · Missouri ZIP codes

Cite this page

zipcodes.pro. “Hamilton, MO ZIP codes.” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/city/mo/hamilton

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