94951 ZIP Code — Penngrove, CA

Sonoma County, California

ZIP code 94951 is located in Penngrove, California, within Sonoma County. It covers approximately 12.86 square miles and serves a population of 3,574 residents. This is a standard ZIP code in the Pacific (PT) timezone, served by area code 707.

About ZIP code 94951

The housing stock consists of predominantly single-family detached homes. Most homes were built in the pre-1940, giving the area an established character. Median home value is $1,153,700. Owner-occupancy sits near the national average at 70%.

The gap between median ($110,296) and mean household income suggests income inequality — a small number of higher earners pull the average up. The poverty rate of 7% is below the national average. 47% of households receive Social Security income, suggesting a notable retiree or disability population.

The dominant occupation class is management, business, and professional, with education and healthcare as the leading industry. The average commute of 25 minutes is near the national average.

Educational attainment is near the national average, with 41% of residents holding a bachelor's degree or higher.

3,574

population

12.86

sq mi land

Standard

ZIP type

Pacific (PT)

timezone

94951 ZIP code map

Cities in ZIP code 94951

Below are the cities the US Postal Service accepts for ZIP code 94951. Using any city not on this list may result in mail delivery delays.

City	Status
Penngrove	Preferred

Nearby ZIP codes

94931 Cotati (3.5 mi) 94926 Rohnert Park (3.6 mi) 94928 Rohnert Park (3.6 mi) 94999 Petaluma (6 mi) 95442 Glen Ellen (7.8 mi) 95407 Santa Rosa (7.8 mi) 94954 Petaluma (8 mi) 95405 Santa Rosa (8.4 mi) 95404 Santa Rosa (9.2 mi) 95452 Kenwood (9.4 mi) 95409 Santa Rosa (9.8 mi) 95409 Santa Rosa (9.8 mi)

Demographics updated 05/2026

Population
Total population	3,574
Population density	278 / sq mi
State FIPS	06
County FIPS	097

Geography
Land area	12.86 sq mi
Water area	0.00 sq mi
Latitude	38.3196
Longitude	-122.6402
Timezone	Pacific (PT)
Area code	707

Total population by age

Gender

Race & ethnicity

Economics updated 05/2026

Household income

Income range	This ZIP	County avg	State avg
Under $50k	20.3%	27.9%	32.6%
$50k – $100k	39.2%	29.7%	27.7%
$100k – $200k	26.3%	30.2%	26.4%
Over $200k	14.2%	12.2%	13.3%

Demographics & statistics

3,574

Population

278

People per sq mi

54.8

Median age

$110,296

Median household income

$64,777

Per capita income

$1,153,700

Median home value

$1,811

Median monthly rent

69.6%

Home ownership

6.5%

Poverty rate

5.2%

Unemployment

1,118

Housing units

41.2%

Bachelor's or higher

Age distribution

Male Female

Under 5

111

5–9

118

10–14

144

107

15–19

130

20–24

169

25–34

206

112

35–44

138

103

45–54

125

55–59

153

184

60–64

224

336

65–74

410

117

75–84

143

85+

← Male

Female →

Age summary

Group	Count	%
Under 18	765	21.4%
18 and over	2,809	78.6%
65 and over	1,095	30.6%
Median age	54.8 years

Race & ethnicity

White 70.9%

Hispanic or Latino 11.6%

Two or more races 10.9%

Asian 2.8%

Other race 2.4%

Native Hawaiian / Pacific Islander 1.3%

Group	Count	%
White	2,868	70.9%
Hispanic or Latino	469	11.6%
Two or more races	442	10.9%
Asian	112	2.8%
Other race	99	2.4%
Native Hawaiian / Pacific Islander	53	1.3%

Household income

Income range	This ZIP	County avg	State avg
Under $50k	20.3%	27.9%	32.6%
$50k – $100k	39.2%	29.7%	27.7%
$100k – $200k	26.3%	30.2%	26.4%
Over $200k	14.2%	12.2%	13.3%

Under $10k 4.3%

$15k–$25k 2.5%

$25k–$35k 7.0%

$35k–$50k 2.8%

$50k–$75k 17.2%

$75k–$100k 11.3%

$100k–$150k 23.9%

$150k–$200k 6.5%

$200k+ 24.5%

Range	% of households
Under $10k	4.3%
$15k–$25k	2.5%
$25k–$35k	7.0%
$35k–$50k	2.8%
$50k–$75k	17.2%
$75k–$100k	11.3%
$100k–$150k	23.9%
$150k–$200k	6.5%
$200k+	24.5%
Median income	$110,296

Housing

Home values

Under $50k 1.0%

$300k–$500k 0.9%

$500k–$1M 27.2%

$1M+ 70.9%

Housing overview

Metric	Value
Median home value	$1,153,700
Median rent / month	$1,811
Owner occupied	69.6%
Renter occupied	30.4%
Vacant	6.1%
Single-family detached	94.8%
Large apartment buildings	0.0%
Mobile homes	1.3%
Median rooms	5.6
Avg household size (owned)	2.73

Year built

Era	%
2020 or later	0.0%
2010–2019	4.2%
2000–2009	8.4%
1990–1999	14.5%
1980–1989	13.3%
1970–1979	13.9%
1960–1969	11.3%
1950–1959	5.5%
1940–1949	5.0%
1939 or earlier	24.0%

Bedrooms

Size	% of units
No bedroom (studio)	8.2%
1 bedroom	7.0%
2 bedrooms	23.1%
3 bedrooms	40.7%
4 bedrooms	18.7%
5+ bedrooms	2.2%

Vehicles per household

Vehicles	% of households
No vehicle	4.2%
1 vehicle	23.0%
2 vehicles	33.5%
3 or more	39.2%

Heating fuel

Fuel type	%
Utility gas	53.3%
Electricity	23.0%
Propane / LP gas	10.6%
Fuel oil	0.7%
Wood	5.6%
Solar	4.2%

Households & families

Household type	Count	%
Married-couple family	742	50.5%
Cohabiting couple	139	9.5%
Male householder, no spouse	110	7.5%
Female householder, no spouse	477	32.5%
Households with children under 18	336	22.9%
Households with seniors (65+)	783	53.3%
Average household size	2.41

Marital status

Status	Male	Female
Never married	23.5%	24.6%
Married	60.7%	47.4%
Separated	0.0%	0.0%
Widowed	5.1%	10.0%
Divorced	10.7%	18.0%

Education

Less than 9th grade 2.8%

Some HS, no diploma 3.6%

HS graduate 10.6%

Some college, no degree 29.3%

Associate's degree 12.4%

Bachelor's degree 27.0%

Graduate / professional 14.3%

Metric	%
HS diploma or higher	93.6%
Bachelor's or higher	41.2%

School enrollment (ages 3–17)

Type	Count	%
Nursery / preschool	8	0.8%
Kindergarten	12	1.2%
Elementary school	405	39.9%
High school	139	13.7%
College / grad school	452	44.5%

Employment

Industry of employment

Education & healthcare 36.2%

Professional & management 14.2%

Finance & real estate 12.4%

Other services 6.6%

Retail trade 5.4%

Agriculture & mining 5.1%

Construction 5.0%

Public administration 4.6%

Transportation & utilities 3.8%

Arts, food & hospitality 2.6%

Manufacturing 2.2%

Wholesale trade 1.9%

Occupation

Category	%
Management, business & arts	55.5%
Service	20.9%
Sales & office	14.5%
Natural resources & construction	5.0%
Production & transportation	4.1%

Employment type

Type	%
Private sector	67.1%
Government	23.9%
Self-employed	9.1%
Unpaid family workers	0.0%

Commute

Method	%
Drive alone	63.1%
Carpool	12.2%
Public transit	1.8%
Walk	1.3%
Work from home	19.7%
Other means	2.0%
Avg commute (minutes)	25.2

Poverty

All people 6.5%

Under 18 years 8.1%

18 and over 6.1%

Married-couple families 2.3%

Female-led households 0.0%

Income support

Source	% of households
Social Security	46.9%
Retirement income	40.7%
Supplemental Security	2.8%
Cash public assistance	0.0%
Food stamps / SNAP	1.4%

Health indicators

Condition	%
Obesity	25.2%
High blood pressure	28.9%
High cholesterol	30.1%
Diabetes	9.1%
Heart disease	6.1%
Stroke	2.8%
Asthma	10.3%
Arthritis	24.6%
Kidney disease	2.8%
Pulmonary disease	6.6%
Cancer	6.9%

Behavior / access	%
Smoking	12.8%
Binge drinking	19.4%
No physical activity	17.8%
Less than 7 hrs sleep	29.1%
Depression	18.7%
Fair or poor health	12.8%
Poor mental health	14.2%
Poor physical health	10.2%
No health insurance	8.6%
Visited doctor (checkup)	65.4%
Visited dentist	66.4%
Cholesterol screening	92.0%
Teeth loss	9.3%

Veterans & disability

Veterans	Count	%
Civilian veterans	216	7.7%

Disability	%
Any disability	11.9%
Under 18	5.8%
18–64 years	11.4%
65 and over	16.9%

Health insurance coverage

Type	%
Private insurance	77.2%
Public insurance	39.1%
No insurance	3.3%
Uninsured under 19	2.0%

Language & origin

Language spoken at home (age 5+)

Language	Count	%
English only	3,373	94.4%
Spanish	74	2.2%
Other Indo-European	64	1.9%
Asian & Pacific Islander	8	0.2%
Other languages	2	0.1%

Place of birth & citizenship

Origin	Count	%
Native born (US)	3,331	93.2%
Born in same state	3,316	92.8%
Born in different state	2,783	77.9%
Foreign born	15	0.4%
Naturalized citizen	243	6.8%
Not a US citizen	169	69.5%

Ancestry

Ancestry	Count	%
French	524	14.7%
Italian	441	12.3%
English	80	2.2%
Arab	62	1.7%
Dutch	45	1.3%

Ancestry	Count	%
Polish	39	1.1%
Irish	21	0.6%
German	16	0.4%
Norwegian	4	0.1%

Technology access

Metric	% of households
Computer access	41.1%
Internet access	95.7%

Source: U.S. Census Bureau, American Community Survey 2025 estimates.

Frequently asked questions about ZIP code 94951

What city is ZIP code 94951 in?

ZIP code 94951 is primarily assigned to Penngrove, California.

What county is ZIP code 94951 in?

ZIP code 94951 falls within Sonoma County, California.

Does ZIP code 94951 have an older population?

31% of residents in ZIP code 94951 are 65 or older, above the national average of ~17%.

Does ZIP code 94951 have a large retiree population?

47% of households in ZIP code 94951 receive Social Security income, suggesting a significant retiree or disability population.

What is the typical home value in ZIP code 94951?

The median home value in ZIP code 94951 is $1,153,700.

What is the median household income in ZIP code 94951?

The median household income in ZIP code 94951 is $110,296, above the national median of ~$75,000.

What timezone is ZIP code 94951 in?

ZIP code 94951 observes the PST timezone.