Census place · GEOID 0648648 · Los Angeles County
Monrovia, CA ZIP codes
3 ZIP/ZCTAs intersecting this Census place in Los Angeles County.
U.S. Census Bureau, ACS 2019–2023 5-year (vintage 2023). Geography: Census place Monrovia (GEOID 0648648). Methodology
Combined population of ZIP/ZCTAs intersecting this place: 124,350 (3 ZIPs).
Combined population of ZIP/ZCTAs intersecting this place. Each intersecting ZIP contributes its full ZCTA population; overlap percents are descriptive only. This is not the Census place ACS headline above. Methodology
Map of Monrovia, CA

ZIP/ZCTA overlap with Monrovia
Population overlap
Share of each ZIP/ZCTA’s population located within Monrovia, based on ZIP Code Database place-overlap data. This is a population measure, not land-area overlap or the Census-place population.
ZIP Code Database place-overlap table, field percent_of_zip_population_in_place, keyed by place_geoid. Not ACS 2019–2023. Overlap vintage is the shipped overlap table and is separate from ACS. Methodology
ZIP codes intersecting Monrovia
| ZIP | City | County | Population | Income |
|---|---|---|---|---|
| 91016 | Monrovia | Los Angeles County | 41,710 | $99,555 |
| 91024 | Sierra Madre | Los Angeles County | 11,020 | $141,094 |
| 91706 | Baldwin Park | Los Angeles County | 71,620 | $79,473 |
USPS associates these ZIPs with Monrovia
These codes list Monrovia as a primary or acceptable city. They are not used for the ACS headline.
| ZIP | City | County | Population | Income |
|---|---|---|---|---|
| 91017 | Monrovia | Los Angeles County | 1,124 | — |