South Monrovia Island, CA ZIP Codes
2 ZIP codes serve South Monrovia Island, California: 91016 and 91010. Together they are home to 68,729 residents in 24,074 households. That is more than the 6,830 people counted inside South Monrovia Island Census-designated place, because these ZIP codes reach past its boundary. Median household income ranges from $96,540 in 91016 to $102,705 in 91010.
South Monrovia Island Census-designated place
| Measure | Census figure |
|---|---|
| Residents | 6,830 |
| Households | 1,608 |
| Median household income | $104,444 |
| Median home value | $680,900 |
| Median age | 33.8 |
| Median rent | $1,814 |
All 2 ZIP codes together
| Measure | Value |
|---|---|
| Residents (sum of ZIP codes) | 68,729 |
| Households (sum of ZIP codes) | 24,074 |
| Median household income, range across ZIP codes | $96,540 (91016) to $102,705 (91010) |
| Household-weighted average of ZIP medians (an approximation, not a true median) | $98,791 |
| Homeowners | 52.7% |
| Households with kids under 18 | 31.2% |
| Moved in the past year | 9.1% |
| Carrier routes in EDDM2GO's route library | 39 routes, 26,122 homes (2 of 2 ZIP codes) |
Top facts
- Highest median household income in South Monrovia Island: 91010 ($102,705)
- Most residents: 91016 (41,140 people)
- Highest homeownership: 91010 (61.0% own their home)
- Most households with kids: 91016 (32.4% of households)
- Most new movers: 91016 (9.5% moved in last year)
- Youngest median age: 91016 (38.4 years)
- Highest median home value: 91016 ($896,700)
Every ZIP code in South Monrovia Island
| ZIP | Mailing city | Residents | Households | Median income | Home value | Homeowners | With kids | New movers | Carrier routes | Mailboxes | Why listed |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 91016 | Monrovia | 41,140 | 15,285 | $96,540 | $896,700 | 47.9% | 32.4% | 9.5% | 27 | 18,627 | 2% of its land |
| 91010 | Duarte | 27,589 | 8,789 | $102,705 | $756,500 | 61.0% | 29.0% | 8.4% | 12 | 9,626 | 5% of its land |
A ZIP code is listed for South Monrovia Island when at least 10% of its land lies inside the South Monrovia Island Census-designated place, when it holds at least 10% of the place's land, or when its USPS mailing city is South Monrovia Island. The table shows which applies. Totals add up whole ZIP codes, so they include any parts outside South Monrovia Island.
Counties
- Los Angeles County — 298 ZIP codes
Nearby cities sharing these ZIP codes
Price a mailing to South Monrovia Island ZIP codes
EDDM guides
Pick carrier routes on the EDDM route map
Frequently asked questions
- What ZIP codes are in South Monrovia Island, CA?
- 91016 and 91010. A ZIP code is listed for South Monrovia Island when at least 10% of its land lies inside the South Monrovia Island Census-designated place, when it holds at least 10% of the place's land, or when its USPS mailing city is South Monrovia Island.
- What is the population of South Monrovia Island, CA?
- The Census Bureau counts 6,830 residents inside South Monrovia Island Census-designated place (ACS 2020–2024). The 2 ZIP codes that serve South Monrovia Island hold 68,729 residents in all.
- What is the median household income in South Monrovia Island, CA?
- $104,444 inside South Monrovia Island Census-designated place, per the Census Bureau. Across its ZIP codes the medians run from $96,540 to $102,705.
- Which South Monrovia Island ZIP code has the highest median household income?
- 91010, at $102,705, among ZIP codes with at least 1,000 residents.
- How many carrier routes and mailboxes are in South Monrovia Island, CA?
- For the 2 of 2 ZIP codes in EDDM2GO's stored route library: 39 carrier routes reaching 26,122 residential and 2,130 business mailboxes.
This product uses the Census Bureau Data API but is not endorsed or certified by the Census Bureau.