Explore South Monrovia Island, California, with this interactive street and satellite map.
| City | South Monrovia Island |
| State | California (CA) |
| County | Los Angeles County |
| Country | United States of America |
| Timezone | Pacific Time (America/Los_Angeles) |
| Latitude | 34.1234 |
| Longitude | -117.9958 |
| Population | 6,515 |
| Density | 4590.2 /km² |
| Incorporated | N/A |
| ZIP Codes | 91010, 91016 |
| Area Code | 310, 424 |
| County Seat | Los Angeles |
| School District | Duarte Unified School District |
South Monrovia Island sits firmly upon the inland plains where the earth holds the heat of the afternoon long after the sun has begun its descent. It lies 1.5 miles southwest of Duarte, CA (from Duarte, CA: bearing 224°T), and is situated 8.7 miles east of Pasadena. The Sawpit Wash defines the local drainage, carving a dry, gravel-strewn path that pulses with seasonal runoff during the rare, heavy rains of winter. To the north, the San Gabriel Mountains rise as a jagged, purple silhouette against the sky, their presence a constant reminder of the geological pressures that shaped this basin. Just two miles away, the rugged terrain of Scott Canyon offers a stark contrast to the flatter, sun-bleached stretches of the immediate landscape. The atmosphere here carries the dry, resinous scent of wild sage, particularly as the golden hour light deepens the shadows across the parched ground.
South Monrovia Island grew from the ambition of early settlers who recognized the potential of these alluvial soils for sustenance and expansion. The local economy shifted over decades from modest agricultural ventures to the disciplined rhythms of light manufacturing and regional commerce, tethered to the steady pulse of the inland transport grid. Modern industrial spaces now occupy the legacy of those initial plots, maintaining a quiet, functional purpose that mirrors the work ethic of the surrounding basin. Prosperity in South Monrovia Island remains tied to the capacity of the land to support infrastructure while resisting the encroaching aridness of the regional climate. Workers here navigate a landscape shaped by the necessity of water management, observing the quiet survival of native scrub as it waits for the next cycle of rain.
Cultural character in South Monrovia Island is defined by a deliberate, measured pace that favors steady persistence over the frantic energy of denser metropolitan hubs. Pamela County Park serves as the central gathering point, providing a shared space where the community finds refuge beneath the shade of drought-tolerant trees. Residents often venture toward the distant, cooling heights of the San Gabriel Mountains or seek the solitude of the Upper Winter Creek Trail for a connection to the high-country air. While the region remains distinct from the sprawling urban centers, it holds its own quiet history, marked by those who have quietly contributed to the regional identity without seeking the glare of fame. The evening air often brings a sudden, sharp clarity, cooling the pavement and settling over the yards as the day’s heat finally surrenders to the coming dark.
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This page provides an embedded street and satellite map of South Monrovia Island, California. Coordinates: 34.1234, -117.9958. Live weather conditions are sourced directly from the National Weather Service. Real-time local and world news feeds keep the page current.
Detailed location data for South Monrovia Island includes the ZIP code (91010, 91016), telephone area code (310, 424), county seat of Los Angeles County (Los Angeles), and school district assignment (Duarte Unified School District).
Location data is drawn from the USGS Geographic Names Information System (GNIS) and cross-verified against 2020 US Census records by coordinate proximity. Population figures are sourced from the 2020 US Census.
| Page generated | August 2026 |
| Location data | SimpleMaps US Cities Database; coordinates matched to USGS GNIS definitive data |
| Wikipedia validation | Article content matched to USGS GNIS coordinates via Wikipedia geosearch API. |