South Monrovia IslandCA
A town of 6,830.
Is South Monrovia Island a good place to live?
FEMA rates its natural-hazard risk higher than 93% of U.S. communities, with earthquakes at the top. Overall it grades B−, ranked 203rd of 841 in California. It is easier to get around on foot or by transit than 90% of U.S. towns. Its weakest subject is cost of living: homes are expensive, about $681K for a typical one and 7.1 times the Los Angeles metro’s $96K median household income. South Monrovia Island’s January low is 45°F, above both the California town median (40°F) and the median of U.S. towns (22°F).
What makes South Monrovia Island stand out
Where South Monrovia Island beats most towns, and one thing worth knowing.
99% of working residents leave South Monrovia Island for work
Where South Monrovia Island’s working residents go each day. Line width shows the share.
Census LEHD 2023
How South Monrovia Island grades
Each subject compared with towns across the country (schools within California), ordered by how far South Monrovia Island is from typical.
Its grades run from A for walkability (better than 90% of comparable towns) to D− for hazard risk (better than 5%), so the B− overall blends very different results.
How TownRatings grades towns →
SoFi Stadium and 245 more within 40 miles
Museums, parks, gardens and other places to visit around South Monrovia Island. Close and well known come first.
Big draw23 mi Stadium & arenaSoFi Stadium
Big draw20 mi LandmarkHollywood Walk of Fame10.0M visitors a year
Big draw22 mi Theme parkDisneyland17.3M visitors a year
Big draw19 mi MuseumLucas Museum of Narrative Art
Big draw18 mi Stadium & arenaLos Angeles Memorial Coliseum
Big draw14 mi Stadium & arenaDodger StadiumPhoto credits
SoFi Stadium: Thank You (21 Millions+) views, CC BY 2.0 · Hollywood Walk of Fame: BenSherman, Public domain · Disneyland: HarshLight from San Jose, CA, USA, CC BY 2.0 · Lucas Museum of Narrative Art: Kriddl, CC0 · Los Angeles Memorial Coliseum: CanonStarGal, CC BY-SA 4.0 · Dodger Stadium: Frederick Dennstedt from los angeles, usa, CC BY-SA 2.0
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Moving to South Monrovia Island: who provides what
South Monrovia Island is unincorporated, so Los Angeles County and regional agencies provide most services.
EPA SDWIS (Oct 9, 2026) · HIFLD + EIA-861 2025 · Census 2020 ZCTAs · NCES 2024–25 · registration: vote.gov, updated Nov 18, 2024.
The data
Ordered by what stands out in South Monrovia Island.
South Monrovia Island has milder winter nights than nearly all U.S. towns, sends most of its workers to Los Angeles and beyond and owes part of its health edge to its incomes.
Very high risk in South Monrovia Island, with earthquakes at the top
FEMA National Risk Index · OpenFEMA
On state tests, South Monrovia Island’s schools beat 69% of California districts
Its public schools are run by the Duarte Unified school district. Its one school is below.
| School | Level | Students | Letter |
|---|---|---|---|
| Maxwell Academy (PK-8)Largest public elementary schoolGrades K–8 | Grades K–8 | 504 | C+ |
NCES · EDFacts · graded within CA on state tests and graduation
Most working residents commute out of South Monrovia Island
South Monrovia Island has 290 jobs for its 2,786 working residents: even if every job went to a resident, most would still commute out.
Most working residents leave South Monrovia Island for work: only 1% work in town. Jobs based in South Monrovia Island fell to 290 in 2023, 47 fewer than in 2013. The median household income in South Monrovia Island is $104,000.
| South Monrovia Island | California towns | U.S. towns | |
|---|---|---|---|
| Working residents who work in town | 1.3% | 6.6% | 8% |
| Median household income | $104,000 | $95,000 | $80,000 |
| Below the poverty line | 7.2% | 10% | 9.6% |
| Average trip to work | 26 minutes | 28 minutes | 25 minutes |
Where working residents work
Census LEHD 2023 · ACS
In South Monrovia Island, expect mild winters and hot summers
January nights average 44.9°, milder than in 97% of U.S. towns; July afternoons average 88.9°.
South Monrovia Island has warm winters and warm summers, with very little rain. South Monrovia Island’s July high is 89°F. Snow is almost unheard of.
Typical low → high °F
NOAA U.S. Climate Normals, 1991–2020
South Monrovia Island ranks healthier than 52% of the country’s towns
Against the 7,929 U.S. towns with household incomes like South Monrovia Island’s, it is less healthy than 75%: its national edge comes with its incomes.
South Monrovia Island beats the California average on 6 of 32 CDC measures and trails it on 9. 42% of South Monrovia Island adults feel lonely.
| South Monrovia Island | California towns | U.S. towns | |
|---|---|---|---|
| Feel lonely (CDC PLACES) | 42% | 36% | 33% |
| Yearly checkup (CDC PLACES) | 70% | 72% | 79% |
| No health insurance, 18–64 (CDC PLACES) | 15% | 9% | 8.1% |
| Depression (CDC PLACES) | 18% | 22% | 23% |
| What stands out | South Monrovia Island | CA |
|---|---|---|
| Fewer adults who have had cancer | 4.8% | 6.4% |
| Fewer older adults who have lost all their teeth | 8.9% | 10.6% |
| More uninsured adults | 15.2% | 10.6% |
CDC PLACES 2025 · modeled estimates for adults · CMS · HRSA
Conserved land covers 0.9% of South Monrovia Island
0.0 miles of trail in 1 park or preserve.
| Biggest places to walk | Trails | Acres |
|---|---|---|
| 1. Pamela Park | — | 2 |
Trails & parks © OpenStreetMap contributors · Conserved land: USGS PAD-US
For cost of living, South Monrovia Island earns a C−
Zillow Home Value Index · Redfin Data Center
Everything we know about South Monrovia Island
Colleges nearby
35 within 15 miles of the center of South Monrovia Island
About 8 of every 100 South Monrovia Island residents are enrolled in college, about the same as California.
About South Monrovia Island
Census-designated place in California, United States
South Monrovia Island () is a census-designated place in Los Angeles County, California. It sits at an elevation of 384 feet (117 m). It is bounded to the west and north by Monrovia, to the east by Duarte, and to the south by Irwindale. The 2020 United States census reported that South Monrovia Island's population was 6,515.
From Wikipedia, licensed CC BY-SA 4.0 · facts via Wikidata (CC0)
- Area
- 0.5 sq mi
- Elevation
- 384 ft
- Area code
- 626
South Monrovia Island’s neighbors
2 towns share a border with South Monrovia Island.
| Town | CA rank | Overall | Cost | Safety | Schools | Health |
|---|---|---|---|---|---|---|
| South Monrovia Island | #203 | B− | C− | — | B+ | B− |
| Monrovia | #309 | C+ | D− | C | B+ | A− |
| Irwindale | — | — | C | D− | B | B+ |
Irwindale has fewer than 2,500 residents, so it gets subject grades but no overall grade. South Monrovia Island reports no FBI crime data of its own. Compare South Monrovia Island with a neighbor →
Questions about South Monrovia Island
Short answers, built from the data on this page.
Is South Monrovia Island, CA a good place to live?
South Monrovia Island grades B− overall, better than 49% of U.S. towns and #203 of 841 in California. It grades B− for health and B+ for schools. Hazard risk is its weak spot, with a D−.
Is South Monrovia Island, CA expensive?
Yes. The typical home is worth about $681,000, 11% below the California typical home. Cost of living, which also weighs rents, property taxes and how many households pay 30% or more of their income for housing, grades C−.