Each edition grades its towns against each other only.
A town of 1,379.
Eldridge’s best subject grades are an A for walkability and an A− for health; its weakest is a D− for hazard risk. Eldridge’s median household income is $122,000, above both the California town median ($95,000) and the median of U.S. towns ($80,000). Only 85 of California’s 1,064 towns score lower on the outdoors. Sonoma State Home-Main Building is on the National Register of Historic Places. Eldridge has fewer than 2,500 residents, so it gets subject grades but no overall grade.
Where Eldridge beats most towns, and one thing worth knowing.
In a town this size, neighbors are the best guide. Ask them anything.
Each subject compared with towns across the country (schools within California), ordered by how far Eldridge is from typical.
How TownRatings grades towns →
Census counts: 1,144 in 1990, 1,312 in 2020. The archive holds 2 old photos and papers going back to 2009 and 4 maps from 1944 on.
1 place on the National Register of Historic Places.
Explore the history →Museums, parks, gardens and other places to visit around Eldridge. Close and well known come first.
Big draw35 mi MuseumAlcatraz Federal Penitentiary
Big draw37 mi LandmarkLombard Street
Big draw40 mi Stadium & arenaChase Center
Big draw37 mi GardenPresidio of San Francisco
Big draw39 mi Stadium & arenaOracle Park
30 mi National MonumentMuir Woods National Monument757K visitors a yearAlcatraz Federal Penitentiary: druchoy, CC BY-SA 2.0 · Lombard Street: The original uploader was Y6y6y6 at English Wikipedia., Public domain · Chase Center: Gregory Varnum, CC BY-SA 4.0 · Presidio of San Francisco: Robert Campbell, CC BY-SA 3.0 · Oracle Park: User Coasttocoast on en.wikipedia, CC BY-SA 3.0 · Muir Woods National Monument: Unknown, CC BY-SA 3.0
Eldridge is unincorporated, so Sonoma 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.
Ordered by what stands out in Eldridge.
Expected storm and flood damage is higher than in 95% of U.S. communities.
FEMA National Risk Index · OpenFEMA
Eldridge beats the California average on 11 of 32 CDC measures and trails it on 2. 30% of Eldridge adults feel lonely, below both California’s towns (36%) and U.S. towns (33%). 27% of adults have obesity in Eldridge.
| Eldridge | California towns | U.S. towns | |
|---|---|---|---|
| Feel lonely (CDC PLACES) | 30% | 36% | 33% |
| Obesity (CDC PLACES) | 27% | 29% | 35% |
| Smoke cigarettes (CDC PLACES) | 9.4% | 11% | 14% |
| Frequent mental distress (CDC PLACES) | 15% | 17% | 17% |
| What stands out | Eldridge | CA |
|---|---|---|
| Fewer older adults who have lost all their teeth | 6.6% | 10.6% |
| Fewer adults facing food insecurity | 12.6% | 17.9% |
| More adults who have had cancer | 9% | 6.4% |
CDC PLACES 2025 · modeled estimates for adults · CMS · HRSA
Most working residents leave Eldridge for work: only 1% work in town. Since 2013, Eldridge has added 54 jobs, to 115 in 2023. Eldridge’s average trip to work is 29 minutes.
| Eldridge | California towns | U.S. towns | |
|---|---|---|---|
| Working residents who work in town | 1.1% | 6.6% | 8% |
| Average trip to work | 29 minutes | 28 minutes | 25 minutes |
Census LEHD 2023 · ACS
Eldridge has mild winters and warm summers. The July high in Eldridge is 84°F.
NOAA U.S. Climate Normals, 1991–2020
Adults 18 to 34 are 19% of residents (24% statewide). 28% of adults 25 and older have a bachelor’s degree or more, vs 37% across California.
| Eldridge | California towns | U.S. towns | |
|---|---|---|---|
| Median age | 41.7 years | 39 years | 40.5 years |
| Under 18 | 21% | 22% | 22% |
55% women, 45% men
About 83 men for every 100 women (the survey’s margin: ±3.4 points). Across California, 50.1% of residents are women.
| Eldridge | CA | U.S. | |
|---|---|---|---|
| Under 10 | 18.6% | 11.4% | 11.6% |
| 10 to 17 | 2.7% | 10.5% | 10.3% |
| 18 to 24 | 8% | 9.1% | 9.1% |
| 25 to 34 | 10.6% | 14.8% | 13.7% |
| 35 to 44 | 13.3% | 13.9% | 13.2% |
| 45 to 54 | 10.4% | 12.5% | 12.2% |
| 55 to 64 | 18% | 12.1% | 12.7% |
| 65 to 74 | 7.2% | 9.2% | 10.2% |
| 75 and older | 11.4% | 6.5% | 7% |
| No diploma | 11% | 15.3% | 10.4% |
| High school | 16.7% | 20.5% | 26% |
| Some college | 34.7% | 19.3% | 19.1% |
| Associate’s | 9.5% | 7.9% | 8.8% |
| Bachelor’s | 16.8% | 22.7% | 21.6% |
| Graduate | 11.3% | 14.4% | 14.1% |
U.S. Census Bureau · ACS 2020-2024 5-year estimates · in a town of 1,400, single groups can be off by several points
| Biggest places to walk | Trails | Acres |
|---|---|---|
| 1. Moran Goodman Park | — | 1 |
Trails & parks © OpenStreetMap contributors · Conserved land: USGS PAD-US
Zillow Home Value Index · Redfin Data Center
3 within 15 miles of the center of Eldridge
About 7 of every 100 Eldridge residents are enrolled in college, about the same as California.
Where Eldridge’s working residents go each day. Line width shows the share.
Census LEHD 2023
Census-designated place in California, United States
Eldridge is a census-designated place (CDP) in Sonoma County, California, United States. The population was 1,312 at the 2020 census. It was notably the home to the Sonoma Developmental Center, the largest facility serving the needs of persons with developmental disabilities in the state.
From Wikipedia, licensed CC BY-SA 4.0 · facts via Wikidata (CC0)
Short answers, built from the data on this page.
Yes. That is 7.3 years of the area's median household income ($104,674 across the Santa Rosa-Petaluma, CA metro area). Cost of living, which also weighs rents, property taxes and how many households pay 30% or more of their income for housing, grades C−.
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