Penngrove, California
Community in Sonoma County · population 2,637 (2020 Census)

- Median home
- $1,196,000
- Household income
- $107,147
- Jan low / Jul high
- 39° / 81°
- Snow a year
- 0 in
- Tornadoes ≤10 mi since 1950
- 3
- Median age
- 50.8
Penngrove is a community of 2,637 people in Sonoma County, California. The median home is worth $1,196,000, above the typical California town ($596,900). It ranks more of a college town than 96% of California towns, better for retirees than 89% of California towns, more seaside character than 87% of California towns.
How Penngrove ranks
Percentile among California towns with at least 500 people on The Town Files lifestyle rankings. 50 is typical for the state; 90 means better than 90% of California towns.
Homes and cost of living
The median home in Penngrove is worth $1,196,000, above the typical California town ($596,900). Homes cost about 11.2 times the median household income of $107,147, which is more affordable than 5% of California towns. Median rent is $2,130 a month. 75.5% of households own their home.
| Housing | Penngrove | Typical California town |
|---|---|---|
| Median home value | $1,196,000 | $596,900 |
| Median rent | $2,130 | $1,827 |
| Median household income | $107,147 | $91,557 |
| Home value ÷ income | 11.2× | 6.4× |
| Homeownership | 75.5% | 67.4% |
| Median year built | 1972 | 1977 |
| Seasonal / vacation homes | 0.0% | — |
Who lives in Penngrove
| People | Penngrove | Typical California town |
|---|---|---|
| Median age | 50.8 | 40.2 |
| Age 65 and over | 32.0% | 17.7% |
| Under 18 | 21.2% | — |
| Bachelor's degree or higher | 51.6% | 27.7% |
| Below the poverty line | 8.2% | 10.3% |
| Veterans | 6.6% | — |
| Born outside the U.S. | 3.8% | — |
| Work from home | 14.0% | 13.4% |
| Average commute | 35.2 min | 27.5 min |
| Homes with broadband | 93.4% | 93.3% |
Weather in Penngrove
July highs average 80.8°F and January lows 39.0°F. About 25.6 inches of rain and melted snow fall a year, with 0.0 inches of snow (typical California town: 0.0 in). Expect about 21 days a year at 90°F or hotter and 21 nights at or below freezing.
Tornadoes, storms and disasters
3 tornadoes have passed within 10 miles of Penngrove since 1950, compared with 2 for the typical California town. 1 rated (E)F2 or stronger. The strongest, an F2, struck on June 1, 1958 about 8.1 miles from the town center. The most recent was on December 23, 1996.
Severe weather in Sonoma County since 1996
Sonoma County has been included in 36 federal disaster or emergency declarations since 1953, most often for fire, flood, drought.
| Declared | Incident | Declaration |
|---|---|---|
| April 3, 2023 | Severe Storm | DR-4699: Severe Winter Storms, Straight-Line Winds, Flooding, Landslides, And Mudslides |
| March 10, 2023 | Flood | EM-3592: Severe Winter Storms, Flooding, Landslides, And Mudslides |
| January 14, 2023 | Flood | DR-4683: Severe Winter Storms, Flooding, Landslides, And Mudslides |
| January 9, 2023 | Flood | EM-3591: Severe Winter Storms, Flooding, And Mudslides |
| October 16, 2020 | Fire | DR-4569: Wildfires |
Jobs and pay in Sonoma County
Sonoma County had 206,849 jobs in 2024, paying an average of $71,422 a year. Unemployment was 3.6% in 2023; in Penngrove itself the ACS puts it at 7.2%.
Public schools in Penngrove
1 public school with 477 students, about 25.1 students per teacher.
| School | Grades | Students | Per teacher |
|---|---|---|---|
| Penngrove Elementary (charter) | K-6 | 477 | 25.1 |
Towns near Penngrove
- Sonoma State University, CA2.8 mi · 2,679 people · home —
- Cotati, CA2.9 mi · 7,584 people · home $746,800
- Rohnert Park, CA3.6 mi · 44,390 people · home $666,300
- Petaluma, CA4.6 mi · 59,776 people · home $878,600
- El Verano, CA9.7 mi · 3,867 people · home $909,300
- Boyes Hot Springs, CA9.9 mi · 6,215 people · home $783,300
- Fetters Hot Springs-Agua Caliente, CA10.1 mi · 4,233 people · home $823,800
- Santa Rosa, CA10.2 mi · 178,127 people · home $713,900
Penngrove questions
Is Penngrove, California a good place to retire?
On The Town Files lifestyle rankings, Penngrove scores better for retirees than 89% of California towns and quieter than 60%. 32.0% of residents are 65 or older (median age 50.8).
How much does a house cost in Penngrove?
The median owner-occupied home in Penngrove is valued at $1,196,000 (Census ACS 2020–2024), against a median household income of $107,147, so homes cost about 11.2 times income. Median rent is $2,130 a month.
What is the weather like in Penngrove?
July highs average 80.8°F and January lows 39.0°F (NOAA 1991–2020 normals). It gets about 25.6 inches of precipitation a year and 0.0 inches of snow.
Does Penngrove get tornadoes?
3 tornadoes have passed within 10 miles of Penngrove since 1950 (NOAA Storm Events); the strongest was a F2 on June 1, 1958. The typical California town has had 2.
- U.S. Census Bureau, American Community Survey 5-year estimates (2020–2024)
- U.S. Census Bureau, 2020 Census and 2025 Gazetteer (2020 / 2025)
- NOAA NCEI U.S. Climate Normals (1991–2020)
- NOAA NCEI Storm Events Database (1950–2026)
- FEMA OpenFEMA Disaster Declarations (this product uses the FEMA OpenFEMA API but is not endorsed by FEMA) (1953–2026)
- NCES Common Core of Data (2023–24)
- BLS Quarterly Census of Employment and Wages; USDA ERS county unemployment (BLS LAUS) (2000–2024)
- The Town Files lifestyle rankings, built from federal demographic, school, crime and housing data (2025)