ZIP Code 94931
ZIP Code Tabulation Area in Sonoma County, California.
- Population
- 9,320
- Median household income
- $103,105
- Median home value
- $788,200
+4.4%’19–’23
+28.6%’19–’23
+41.8%’19–’23
ZIP Code 94931 is a ZIP Code Tabulation Area in Sonoma County, California, home to about 9,320 residents. Its median household income of $103,105 runs in line with the Sonoma County figure of $102,840.
Between 2019 and 2023, ZIP Code 94931's population grew 4.4% from 8,926 to 9,320, while its median gross rent rose 9.2% from $1,630 to $1,780.
Owners occupy 60.2% of the area's occupied homes. The median resident is 39.8 years old.
Demographics
ACS 2019–2023- Population
- 9,320
- Median age
- 39.8 yrs
- Median household income
- $103,105
- Median home value
- $788,200
- Median gross rent
- $1,780
- Housing units
- 4,244
- Homeownership rate
- 60.2%
- Bachelor's degree or higher
- 39.0%
- Unemployment rate
- 3.2%
Trends
ACS 5-year · 2019–20238,9269,320
$80,186$103,105
$555,800$788,200
$1,630$1,780
| Year | Population | Median household income | Median home value | Median gross rent |
|---|---|---|---|---|
| 2019 | 8,926 | $80,186 | $555,800 | $1,630 |
| 2020 | 9,097 | $85,698 | $595,100 | $1,559 |
| 2021 | 8,966 | $95,131 | $663,100 | $1,568 |
| 2022 | 8,945 | $98,475 | $720,400 | $1,708 |
| 2023 | 9,320 | $103,105 | $788,200 | $1,780 |
Each year is a US Census Bureau ACS 5-year estimate ending that year.
Age distribution
Under 55.3%
5 to 1712.1%
18 to 247.6%
25 to 3414.1%
35 to 4418.6%
45 to 549.9%
55 to 6414.5%
65 to 749.9%
75 and over7.9%
| Count | Share | |
|---|---|---|
| Under 5 | 497 | 5.3% |
| 5 to 17 | 1,131 | 12.1% |
| 18 to 24 | 712 | 7.6% |
| 25 to 34 | 1,311 | 14.1% |
| 35 to 44 | 1,729 | 18.6% |
| 45 to 54 | 927 | 9.9% |
| 55 to 64 | 1,355 | 14.5% |
| 65 to 74 | 924 | 9.9% |
| 75 and over | 734 | 7.9% |
Race & ethnicity
| Count | Share | |
|---|---|---|
| White (non-Hispanic) | 6,509 | 69.8% |
| Black or African American | 124 | 1.3% |
| American Indian & Alaska Native | 3 | 0.0% |
| Asian | 201 | 2.2% |
| Native Hawaiian & Pacific Islander | 1 | 0.0% |
| Some other race | 105 | 1.1% |
| Two or more races | 585 | 6.3% |
| Hispanic or Latino (any race) | 1,792 | 19.2% |
Educational attainment (age 25+)
No high school diploma3.2%
High school graduate18.1%
Some college or associate's39.7%
Bachelor's degree27.9%
Graduate or professional degree11.1%
| Count | Share | |
|---|---|---|
| No high school diploma | 225 | 3.2% |
| High school graduate | 1,262 | 18.1% |
| Some college or associate's | 2,772 | 39.7% |
| Bachelor's degree | 1,949 | 27.9% |
| Graduate or professional degree | 772 | 11.1% |
Commute to work
- Mean travel time to work
- 30 min
Drove alone70.5%
Carpooled7.3%
Public transit3.4%
Walked1.0%
Bicycle0.7%
Worked from home16.2%
Other means1.0%
How workers get to work
| Count | Share | |
|---|---|---|
| Drove alone | 3,599 | 70.5% |
| Carpooled | 375 | 7.3% |
| Public transit | 173 | 3.4% |
| Walked | 49 | 1.0% |
| Bicycle | 38 | 0.7% |
| Worked from home | 825 | 16.2% |
| Other means | 49 | 1.0% |
Travel time
| Count | Share | |
|---|---|---|
| Under 15 min | 1,144 | 26.7% |
| 15 to 29 min | 1,157 | 27.0% |
| 30 to 44 min | 867 | 20.2% |
| 45 to 59 min | 543 | 12.7% |
| 60+ min | 572 | 13.4% |
Households
- Average household size
- 2.25
- Poverty rate
- 7.6% (705 of 9,280)
| Count | Share | |
|---|---|---|
| Family households | 2,128 | 51.7% |
| Nonfamily households | 1,991 | 48.3% |
Housing
- Median year structure built
- 1983
Occupancy
| Count | Share | |
|---|---|---|
| Occupied | 4,119 | 97.1% |
| Vacant | 125 | 2.9% |
Tenure (of occupied units)
| Count | Share | |
|---|---|---|
| Owner-occupied | 2,481 | 60.2% |
| Renter-occupied | 1,638 | 39.8% |
1-unit, detached62.4%
1-unit, attached9.6%
2 to 4 units10.3%
5 to 19 units10.4%
20 or more units5.5%
Mobile home & other1.8%
Units in structure
| Count | Share | |
|---|---|---|
| 1-unit, detached | 2,648 | 62.4% |
| 1-unit, attached | 406 | 9.6% |
| 2 to 4 units | 436 | 10.3% |
| 5 to 19 units | 442 | 10.4% |
| 20 or more units | 234 | 5.5% |
| Mobile home & other | 78 | 1.8% |
Geography
- ZCTA
- 94931
- Land area
- 7.74 sq mi
- Water area
- 0.01 sq mi
- Center point
- 38.3252, -122.7170
Counties this ZIP covers
1Compare with nearby ZIP codes
6National ZIP rankings
21- Largest by population
- Most densely populated
- Highest median household income
- Highest median home value
- Most affordable home values
- Highest median gross rent
- Cheapest median gross rent
- Oldest by median age
- Youngest by median age
- Most college-educated
- Highest poverty rate
- Lowest poverty rate
- Highest homeownership rate
- Lowest homeownership rate
- Longest commutes
- Shortest commutes
- Largest households
- Newest housing
- Oldest housing
- Fastest-growing (2019–2023)
- Fastest-shrinking (2019–2023)