172 years in pictures
Census counts: 23,773 in 1960, 29,581 in 2020. The archive holds 6 old photos and papers going back to 2007 and 4 maps from 1899 on.
- 1854San Lorenzo is settled
Each edition grades its towns against each other only.
Some subjects shine; others lag. Where it falls short is cost of living: the typical home is worth about $799K, 5.9 years of the San Francisco metro’s $136K median household income. Hazard risk is weaker too (D): FEMA rates its natural-hazard risk higher than 91% of U.S. communities, with earthquakes at the top. Incomes are where it shines (A) — the median household earns $113K. It also does well on walkability (A): it is more walkable than 91% of U.S. towns. Put together, the subjects come to a B− overall, ranking 239th of 841 in California. Set against the rest, it does better than 46% of U.S. towns. The biggest park or preserve is San Lorenzo Park, at 32 acres.
Figures: incomes, Census ACS, 2020–24 · home values, Zillow · FEMA National Risk Index · OpenStreetMap.
Where San Lorenzo beats most towns, and one thing worth knowing.
23,452 counted in 2010 and 29,581 in 2020.
U.S. Census 2010 & 2020 counts
Each subject compared with towns across the country (schools within California), ordered by how far San Lorenzo is from typical.
How TownRatings grades towns →
Census counts: 23,773 in 1960, 29,581 in 2020. The archive holds 6 old photos and papers going back to 2007 and 4 maps from 1899 on.
Museums, parks, gardens and other places to visit around San Lorenzo. Close and well known come first.
Big draw19 mi MuseumAlcatraz Federal Penitentiary
Big draw11 mi MuseumUSS Hornet
Big draw21 mi Stadium & arenaLevi's Stadium
Big draw15 mi Stadium & arenaChase Center
Big draw16 mi Stadium & arenaOracle Park
Big draw18 mi LandmarkLombard StreetAlcatraz Federal Penitentiary: druchoy, CC BY-SA 2.0 · USS Hornet: kitmasterbloke, CC BY 2.0 · Levi's Stadium: Matthew Roth, CC BY-SA 2.0 · Chase Center: Gregory Varnum, CC BY-SA 4.0 · Oracle Park: User Coasttocoast on en.wikipedia, CC BY-SA 3.0 · Lombard Street: The original uploader was Y6y6y6 at English Wikipedia., Public domain
San Lorenzo is unincorporated, so Alameda 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 San Lorenzo.
San Lorenzo has milder winter nights than nearly all U.S. towns, has home values still below their peak and sends most of its workers to Oakland and beyond.
Expected losses in San Lorenzo break down as 73% from earthquakes and 26% from inland flooding. Since 2002, San Lorenzo has seen 2 flood insurance claims paid out. One declared disaster, in 2022, has brought federal aid to San Lorenzo households.
FEMA flood insurance claims · FEMA disaster declarations and aid · FEMA National Risk Index · OpenFEMA
Public schools: the San Lorenzo Unified school district. Three of its 12 schools are below, each with the reason it’s listed.
| School | Level | Students | Letter |
|---|---|---|---|
| Bohannon MiddleLargest public middle schoolGrades 6–8 | Grades 6–8 | 606 | – |
| Arroyo HighLargest public high schoolGrades 9–12 | Grades 9–12 | 1,499 | – |
| KIPP King Collegiate HighTop results in townGrades 9–12 | Grades 9–12 | 662 | A |
NCES · EDFacts · graded within CA on state tests and graduation
San Lorenzo has 3,158 jobs for its 13,525 working residents: even if every job went to a resident, most would still commute out.
3.3% of San Lorenzo working residents work locally, below both California’s towns (6.6%) and U.S. towns (8%). For residents locally, the share who live below the poverty line is 4.6%. Jobs locally fell by 273 from 2013 to 2023, to 3,158. The average commute for San Lorenzo comes to 31 minutes.
| San Lorenzo | California towns | U.S. towns | |
|---|---|---|---|
| Average trip to work | 31 minutes | 28 minutes | 25 minutes |
| Median household income | $113,000 | $95,000 | $80,000 |
| Below the poverty line | 4.6% | 10% | 9.6% |
| Work from home | 8.3% | 14% | 11% |
Census LEHD 2023 · ACS
Against the 6,780 U.S. towns with household incomes like San Lorenzo’s, it is less healthy than 63%: its national edge comes with its incomes.
In San Lorenzo, two in five adults feel lonely. A quarter of San Lorenzo adults have obesity, where California’s towns sit at 29% and U.S. towns at 35%.
| San Lorenzo | California towns | U.S. towns | |
|---|---|---|---|
| Feel lonely (CDC PLACES) | 40% | 36% | 33% |
| Obesity (CDC PLACES) | 25% | 29% | 35% |
| Yearly checkup (CDC PLACES) | 71% | 72% | 79% |
| Depression (CDC PLACES) | 19% | 22% | 23% |
| What stands out | San Lorenzo | CA |
|---|---|---|
| Fewer adults who have had cancer | 5.6% | 6.4% |
CDC PLACES 2025 · modeled estimates for adults · CMS · HRSA
January nights average 43.5°, milder than in 96% of U.S. towns; July afternoons average 74.5°.
San Lorenzo’s January low is 44°F. Snow is almost unheard of.
| San Lorenzo | California towns | U.S. towns | |
|---|---|---|---|
| July high | 75°F | 89°F | 85°F |
| January low | 44°F | 40°F | 22°F |
NOAA U.S. Climate Normals, 1991–2020
The trail network density in San Lorenzo is 0.2 miles per square mile. 0.6 miles of trail in 5 parks and preserves.
| San Lorenzo | California towns | U.S. towns | |
|---|---|---|---|
| Miles of trail per square mile | 0.2 miles per square mile | 1.0 | 0.4 |
| Conserved land | 4.2% | 4.3% | 4.3% |
| Biggest places to walk | Trails | Acres |
|---|---|---|
| 1. San Lorenzo Park | 0.2 mi | 32 |
| 2. Hayward Regional Shoreline | — | 28 |
| 3. Mervin Morris Park | — | 14 |
Trails & parks © OpenStreetMap contributors · Conserved land: USGS PAD-US
The typical value, about $799K, is 9% below its June 2022 peak.
Zillow values the typical San Lorenzo home at about $799,000, down 1.4% in a year, close to the California typical home. For San Lorenzo, the typical rent is $2,163 a month. Bidding over the asking price: 62% of homes sold locally.
| San Lorenzo | California towns | U.S. towns | |
|---|---|---|---|
| Median rent | $2,163 a month | $1,895 a month | $1,185 a month |
| Households that own their home | 67% | 64% | 73% |
Census ACS, 2020–24 · Zillow Home Value Index · Redfin Data Center
19 within 15 miles of the center of San Lorenzo
About 7 of every 100 San Lorenzo residents are enrolled in college, about the same as California.
Where San Lorenzo’s working residents go each day. Line width shows the share.
Census LEHD 2023
Unincorporated community in California, United States
San Lorenzo (Spanish for "Saint Laurence") is a census-designated place (CDP) located in the historic Eden Township in the East Bay of the San Francisco Bay Area in Alameda County, California, United States. The population was 29,581 at the 2020 census. It is an unincorporated community, located at the banks of San Lorenzo Creek. It was originally named Squattersville in 1851, but later renamed to San Lorenzo. In 1944, under contract to the U.S. Navy, The David D. Bohannon Company began construction of San Lorenzo Village, which was one of the nation's first planned communities, with parcels designated for schools, churches, parks, and several retail centers. Bohannon's pioneering pre-cutti…
From Wikipedia, licensed CC BY-SA 4.0 · facts via Wikidata (CC0)
4 towns share a border with San Lorenzo.
It grades higher overall than all 4 graded towns on its borders; San Leandro (C−) comes closest.
| Town | CA rank | Overall | Cost | Safety | Schools | Health |
|---|---|---|---|---|---|---|
| San Lorenzo | #239 | B− | C− | — | C+ | B+ |
| Hayward | #528 | C− | D | D | C+ | B+ |
| San Leandro | #485 | C− | D | D | B− | B+ |
| Ashland | #500 | C− | D | — | C+ | C+ |
| Cherryland | #506 | C− | C− | — | C | C+ |
San Lorenzo, Ashland and Cherryland report no FBI crime data of their own. Compare San Lorenzo with a neighbor →
Short answers, built from the data on this page.
San Lorenzo grades B− overall, better than 46% of U.S. towns and #239 of 841 in California. It grades B+ for health and C+ for schools. Hazard risk is its weak spot, with a D.
Yes. Cost of living, which also weighs rents, property taxes and how many households pay 30% or more of their income for housing, grades C−.
2 notable people were born here, including Pete Williams and Trooper Johnson.