170 years in pictures
The archive holds 2 old photos and papers going back to 1870 and 3 maps from 1942 on.
- 1856Bloomfield is settled
Each edition grades its towns against each other only.

The town, settled in 1856, counts 324 residents.
65% of adults 25 and older hold a bachelor’s degree or more in Bloomfield, against 29% in California’s towns and 29% across U.S. towns. Bloomfield has fewer than 1,000 residents, too few for fair grades; the figures below are still real.
The archive holds 2 old photos and papers going back to 1870 and 3 maps from 1942 on.
In a town this size, neighbors are the best guide. Ask them anything.
Ordered by what stands out in Bloomfield.
Bloomfield’s FEMA hazard score stands at 94 of 100. 46% of the town’s expected losses from natural hazards come from earthquakes, followed by inland flooding at 34%.
FEMA National Risk Index · OpenFEMA
The top destinations are Santa Rosa (16%), Sebastopol (8%) and Petaluma (6%). The share of residents in Bloomfield who live below the poverty line: 3.4%. Most working residents leave Bloomfield for work: only 1% work in town. Also worth knowing: between 2013 and 2023, jobs locally rose by 54, to 86.
| Bloomfield | California towns | U.S. towns | |
|---|---|---|---|
| Average trip to work | 47 minutes | 28 minutes | 25 minutes |
| Below the poverty line | 3.4% | 10% | 9.6% |
| Working residents who work in town | 0.8% | 6.6% | 8% |
Census LEHD 2023 · ACS
Bloomfield’s peak summer temperature is 76°F.
NOAA U.S. Climate Normals, 1991–2020
Bloomfield: 13% of adults report frequent physical distress. On the CDC’s 32 measures, Bloomfield is ahead of California on 16 and behind on 4. Two figures for adults here: 31% sleep under 7 hours, 18% get no exercise outside work.
| Bloomfield | California towns | U.S. towns | |
|---|---|---|---|
| Obesity (CDC PLACES) | 25% | 29% | 35% |
| Sleep under 7 hours (CDC PLACES) | 31% | 35% | 36% |
| Get no exercise (CDC PLACES) | 18% | 24% | 25% |
| Frequent mental distress (CDC PLACES) | 15% | 17% | 17% |
| What stands out | Bloomfield | CA |
|---|---|---|
| Fewer adults facing food insecurity | 8.9% | 17.9% |
| Fewer uninsured adults | 5.3% | 10.6% |
| More adults who have had cancer | 11.2% | 6.4% |
CDC PLACES 2025 · modeled estimates for adults · CMS · HRSA
Museums, parks, gardens and other places to visit around Bloomfield. Close and well known come first.
26 mi Ancient siteFort Ross
32 mi National MonumentMuir Woods National Monument757K visitors a year
10 mi National SeashorePoint Reyes National Seashore2.4M visitors a year
31 mi MountainMount Tamalpais
37 mi LakeLake Berryessa
35 mi Theme parkSix Flags Discovery KingdomFort Ross: Frank Schulenburg, CC BY-SA 4.0 · Muir Woods National Monument: Unknown, CC BY-SA 3.0 · Point Reyes National Seashore: King of Hearts, CC BY-SA 4.0 · Mount Tamalpais: Originally uploaded by Nelso (Transferred by DimiTalen), CC BY-SA 3.0 · Lake Berryessa: Unknown, Public domain · Six Flags Discovery Kingdom: Tinned Elk, CC BY-SA 3.0
Bloomfield 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.
Where Bloomfield’s working residents go each day. Line width shows the share.
Census LEHD 2023
2 within 15 miles of the center of Bloomfield
About 3 of every 100 Bloomfield residents are enrolled in college, against 8 across California.
Census-designated place in California, United States
Bloomfield is a census-designated place in Sonoma County, California, United States. As of the 2020 census, Bloomfield had a population of 338. It is located in a rural area about 11 miles (18 km) southwest of Santa Rosa at the junction of Bloomfield Road and Valley Ford Road. Americano Creek flows westward along the south edge of the town.
From Wikipedia, licensed CC BY-SA 4.0 · facts via Wikidata (CC0)
Short answers, built from the data on this page.
Bloomfield has fewer than 1,000 residents, too few for fair grades; the figures below are still real.
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