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/OR/MONROE

Monroe ZIP code, Oregon

The ZIP code for Monroe, OR is 97456, and its area code is 541.

USPS city name
1 ZIP code
Population
1,102
Area code
541
State
Oregon

Monroe in numbers

About 1,102 people live in Monroe, in 337 households. The median household income is $78,646 a year, 5% below the Oregon median of $83,011 (US: $80,734). The median owner-occupied home is valued at $348,700 (27% below the Oregon median), and median gross rent is $1,359 a month. The median age is 28.9; 27.4% of adults 25 and over hold a bachelor's degree or higher (36.8% across Oregon); the average commute takes 40 minutes.

Population1,102Monroe1,102
Households337Monroe337
Median age28.9Monroe28.9Oregon40.4US 38.9
Median household income$78,646Monroe$78,646Oregon$83,011US $80,734
Median home value$348,700Monroe$348,700Oregon$477,600US $332,700
Median gross rent$1,359Monroe$1,359Oregon$1,525US $1,413
Bachelor's degree or higher27.4%Monroe27.4%Oregon36.8%US 35.7%
Mean commute39.5 minMonroe39.5 minOregon23.0 minUS 26.4 min
Population density2,140 / sq miMonroe2,140 / sq mi

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

ZIP codes addressed as Monroe

ZIP codes with the USPS city name Monroe
ZIP City Type Population Median income Median home
97456 Monroe , OR Standard 3,422 $71,111 $407,700

Map of Monroe ZIP codes

97456

The ZIP codes of Monroe, OR, 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 Monroe

The nearest larger towns are Harrisburg (3,681 people, 7.5 mi), Junction City (6,947 people, 8.7 mi) and Halsey (1,491 people, 10 mi).

Towns near Monroe
TownPopulationDistance
Harrisburg 3,681 7.5 mi
Junction City 6,947 8.7 mi
Philomath 5,642 15.8 mi
Santa Clara 10,551 16.2 mi
Corvallis 59,960 17.5 mi
River Road 8,862 18.1 mi
Veneta 5,200 18.8 mi
Eugene 179,591 20.1 mi
Albany 56,839 23.6 mi
Springfield 61,499 24.1 mi
Lebanon 19,344 24.3 mi
Millersburg 3,366 27.4 mi

More nearby: every ZIP code in Benton County · Oregon ZIP codes

Cite this page

zipcodes.pro. “Monroe, OR ZIP codes.” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/city/or/monroe

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