Rio OsoCA
Home to 437 people, the town was settled in 1920.
Is Rio Oso a good place to live?
Rio Oso’s typical July afternoon high is 96°F, above both California’s towns (89°F) and U.S. towns (85°F). Rio Oso has fewer than 1,000 residents, too few for fair grades; the figures below are still real.
437 people, and everyone knows the way
In a town this size, neighbors are the best guide. Ask them anything.
Moving to Rio Oso: who provides what
Rio Oso is unincorporated, so Sutter 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 Rio Oso.
With 0.4 jobs for every working resident, most of Rio Oso’s workers commute out
For half of commuters, work is under 25 miles away. Rio Oso: 1.2% of working residents work locally. The top destinations are Sacramento (13%), Roseville (6%) and San Francisco (4%).
| Rio Oso | California towns | U.S. towns | |
|---|---|---|---|
| Below the poverty line | 4.1% | 10% | 9.6% |
| Working residents who work in town | 1.2% | 6.6% | 8% |
| Average trip to work | 27 minutes | 28 minutes | 25 minutes |
Where working residents work
Census LEHD 2023 · ACS
The schools Rio Oso’s kids attend
Its one school is below. 143 students attend Rio Oso’s public school.
| School | Level | Students | Letter |
|---|---|---|---|
| Browns ElementaryLargest public elementary schoolGrades K–8 | Grades K–8 | 143 | B− |
NCES · EDFacts
Typical low → high °F
NOAA U.S. Climate Normals, 1991–2020
The typical home in Rio Oso: about $627K
For households in Rio Oso, the share who own their home is 84%. Over the 12 months to September 2026, the typical home gained 8.2% in value. The going rate for rent for Rio Oso comes to $1,625 a month.
| Rio Oso | California towns | U.S. towns | |
|---|---|---|---|
| Households that own their home | 84% | 64% | 73% |
| Median rent | $1,625 a month | $1,896 a month | $1,185 a month |
Typical home value
Census ACS, 2020–24 · Zillow Home Value Index · Redfin Data Center
How healthy Rio Oso is
35% of adults feel lonely in Rio Oso. Of 32 CDC measures, Rio Oso beats the California average on 5 and trails it on 8. Among adults in the town, 74% had a checkup this year and 15% report frequent physical distress.
| Rio Oso | California towns | U.S. towns | |
|---|---|---|---|
| Sleep under 7 hours (CDC PLACES) | 32% | 35% | 36% |
| Yearly checkup (CDC PLACES) | 74% | 72% | 79% |
| Frequent physical distress (CDC PLACES) | 15% | 14% | 14% |
| Depression (CDC PLACES) | 24% | 22% | 23% |
| What stands out | Rio Oso | CA |
|---|---|---|
| Fewer uninsured adults | 7.5% | 10.6% |
| Fewer adults facing housing insecurity | 11.6% | 14.9% |
| More adults with COPD | 7.8% | 5.1% |
CDC PLACES 2025 · modeled estimates for adults · CMS · HRSA
The biggest natural risk in Rio Oso is drought, at a moderate overall level
Expected damage from storms and floods is lower here than in 56% of U.S. communities. Of the losses FEMA expects in Rio Oso, 79% come from drought and 11% from inland flooding.
FEMA National Risk Index · OpenFEMA
0.3% of Rio Oso is conserved land
5.2 miles of trail. Rio Oso’s trail density is 0.8 miles per square mile.
| Rio Oso | California towns | U.S. towns | |
|---|---|---|---|
| Conserved land | 0.3% | 4.3% | 4.3% |
| Miles of trail per square mile | 0.8 miles per square mile | 1.0 | 0.4 |
Trails & parks © OpenStreetMap contributors · Conserved land: USGS PAD-US
Everything we know about Rio Oso
Colleges nearby
1 within 15 miles of the center of Rio Oso
About 7 of every 100 Rio Oso residents are enrolled in college, about the same as California.
99% of working residents leave Rio Oso for work
Where Rio Oso’s working residents go each day. Line width shows the share.
Census LEHD 2023
Questions about Rio Oso
Short answers, built from the data on this page.
Is Rio Oso, CA a good place to live?
Rio Oso has fewer than 1,000 residents, too few for fair grades; the figures below are still real.