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/CA/MONROVIA

Monrovia ZIP codes, California

Monrovia, CA has 2 ZIP codes (91016 and 91017) and area code 626. The largest is 91016.

USPS city name
2 ZIP codes
Overlapping the city
2 more
Population
37,571
Area code
626

Mail addressed to Monrovia uses the ZIP codes above. 2 more ZIP codes cover part of the city but are addressed as somewhere else; they are listed separately below.

Monrovia in numbers

About 37,571 people live in Monrovia, in 14,181 households. The median household income is $96,021 a year, 3% below the California median of $99,122 (US: $80,734). The median owner-occupied home is valued at $909,400 (24% above the California median), and median gross rent is $2,114 a month. The median age is 38.3; 42.7% of adults 25 and over hold a bachelor's degree or higher (37.1% across California); the average commute takes 30 minutes.

Population37,571Monrovia37,571
Households14,181Monrovia14,181
Median age38.3Monrovia38.3California37.9US 38.9
Median household income$96,021Monrovia$96,021California$99,122US $80,734
Median home value$909,400Monrovia$909,400California$734,700US $332,700
Median gross rent$2,114Monrovia$2,114California$2,036US $1,413
Bachelor's degree or higher42.7%Monrovia42.7%California37.1%US 35.7%
Mean commute30.1 minMonrovia30.1 minCalifornia28.7 minUS 26.4 min
Population density2,756 / sq miMonrovia2,756 / sq mi

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

ZIP codes addressed as Monrovia

ZIP codes with the USPS city name Monrovia
ZIP City Type Population Median income Median home
91016 Monrovia , CA Standard 41,140 $96,540 $896,700
91017 Monrovia , CA No street area — — —

Other ZIP codes overlapping Monrovia

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

ZIP codes overlapping Monrovia
ZIP City Type Population Median income Median home
91024 Sierra Madre , CA Standard 10,940 $143,547 $1,226,800
91706 Baldwin Park , CA Standard 71,082 $81,122 $609,000

Map of Monrovia ZIP codes

The ZIP codes of Monrovia, CA, 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 Monrovia

The nearest larger towns are Arcadia (55,170 people, 3.7 mi), Azusa (49,031 people, 4.5 mi) and Baldwin Park (70,138 people, 5.7 mi).

Towns near Monrovia
TownPopulationDistance
Duarte 22,184 2.0 mi
South Monrovia Island 6,830 2.9 mi
Mayflower Village 4,950 3.6 mi
Arcadia 55,170 3.7 mi
Sierra Madre 10,940 3.8 mi
Azusa 49,031 4.5 mi
North El Monte 4,086 4.8 mi
East Pasadena 5,479 5.6 mi
Baldwin Park 70,138 5.7 mi
Vincent 15,340 5.7 mi
Temple City 35,430 6.0 mi
East San Gabriel 23,410 6.4 mi
Citrus 10,904 6.4 mi
El Monte 106,109 6.7 mi

More nearby: every ZIP code in Los Angeles County · California ZIP codes

Cite this page

zipcodes.pro. “Monrovia, CA ZIP codes.” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/city/ca/monrovia

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