PlainZIP

Penngrove, CA · standard

ZIP Code 94951

Sonoma County, California - Census ACS demographics, housing tenure, and business patterns, benchmarked against every US ZIP.

4,124
109/sq mi
$106,332
Median income
$1,207,000
Median home value
46.5%
Bachelor's or higher

The verdict

Penngrove pairs an upper-quartile household income with top-decile home values, in a rural, homeowner-dominated area.

Top 15%
household income, US ZIPs
Top 1%
home value, US ZIPs
109
people per sq mi
71%
owner-occupied homes

Source: U.S. Census Bureau ACS 5-Year Estimates (2019–2023). Percentiles rank ZIP 94951 against every reporting US ZIP.

ZIP code 94951 covers 38.0 square miles in Penngrove, Sonoma County, California (a standard USPS delivery area), with a modest 4,124 residents on file, a density of 109 people per square mile, in the Los Angeles time zone.

ZIP 94951 lands in the middle-income range, with a median household income of $106,332 (5% above the California average), while per-capita income is $70,956. 8.2% of residents live below the poverty line, and the unemployment rate reads 4.0%. Housing costs here run $1,207,000 for a typical home value (56% above the state average), with rent averaging $1,904 a month; 71.4% of homes are owner-occupied.

A solid share of residents have a four-year degree: 46.5% of adults hold a bachelor's degree or higher, the median age is 44.2, and the average commute is 30 minutes. Beyond these figures, 10 nearby ZIP codes within about 10 miles are surfaced below, along with 6 more sharing Sonoma County, letting you compare 94951 to its immediate surroundings rather than a national baseline alone.

Every figure on this page is sourced from the U.S. Census Bureau American Community Survey 5-Year Estimates (including median rent) and the FHFA House Price Index, no estimates, no proprietary scoring. Verify with Census →

Top industries in ZIP 94951

Top 5 sectors by establishment count in Penngrove, CA

Which industries have the most business establishments in ZIP 94951.

establishments

What this shows Establishment counts come from the Census ZIP Code Business Patterns program, which counts physical business locations rather than employees or revenue.

Source U.S. Census Bureau · ZIP Code Business Patterns (ZBP) As of 2023

Source: U.S. Census Bureau, American Community Survey 5-Year Estimates + ZIP Code Business Patterns + FHFA HPI ACS demographics and median rent, ZBP business establishments, FHFA HPI for ZIP 94951, Penngrove, CA · 2023 Census ACS 5-Year Estimates use a rolling 60-month sample for stable small-geography estimates; ZBP updated annually; FHFA HPI updated quarterly/annually.

Quick Facts

4,124

Population

38.0

Area (sq mi)

109

People / sq mi

Los Angeles

Time Zone

standard

ZIP Type

Neighborhood Scorecard
Get an A-F grade across income, safety, housing, rent, education, commute, and childcare for this ZIP code.
View Scorecard →

Who lives in ZIP 94951?

44.2

Median Age

44.1%

Male

55.9%

Female

6.1%

Foreign-Born

White 73.7%
African American 1.1%
Asian 0.6%
American Indian or Alaska Native 0.0%
Native Hawaiian or Pacific Islander 0.0%
Two or More Ethnicities 22.4%
Hispanic or Latino 17.0%

Hispanic or Latino is an ethnicity category from the Census Bureau and may overlap with other categories above.

Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)

How much do residents earn?

$106,332

Median Household Income

+5% vs state

$70,956

Per Capita Income

8.2%

Poverty Rate

4.0%

Unemployment Rate

29.6 min

Mean Commute Time

How ZIP 94951 ranks nationally

Penngrove, CA household income vs. every US ZIP code

Median household income, the full national distribution, with this ZIP marked

$106,332 Top 15% higher than 85% of 30,318 US ZIPs

$0–$20,000: 118 US ZIPs (0%). Below this entry. $20,000–$40,000: 1,573 US ZIPs (5%). Below this entry. $40,000–$60,000: 7,092 US ZIPs (23%). Below this entry. $60,000–$80,000: 9,980 US ZIPs (33%). Below this entry. $80,000–$100,000: 5,778 US ZIPs (19%). Below this entry. $100,000–$120,000: 2,855 US ZIPs (9%). This entry sits in this band. $120,000–$140,000: 1,362 US ZIPs (4%). Above this entry. $140,000–$160,000: 686 US ZIPs (2%). Above this entry. $160,000–$180,000: 364 US ZIPs (1%). Above this entry. $180,000–$200,000: 186 US ZIPs (1%). Above this entry. $200,000–$220,000: 324 US ZIPs (1%). Above this entry. This ZIP $0 $200K+ every reporting US ZIP, bucketed by value

Each bar is a $20K-wide band; taller bars hold more US ZIPs. The dashed line + filled bar mark this entry. Hover or tap any bar for its full count, share, and where it sits relative to this entry.

Source U.S. Census Bureau, ACS 5-Year Estimates · 2019–2023

Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)

What is the education profile here?

High School Graduate or Higher 56.8%
Bachelor's Degree or Higher 46.5%

Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)

What does housing look like?

1,548

Total Housing Units

1,419

Occupied Units

129

Vacant Units

2.29

Avg Household Size

Occupancy Type

Owner 71.4%
Renter 28.6%

$1,207,000

Median Home Value

+56% vs state

$1,904

Median Rent

1974

Median Year Built

Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)

How have home values changed over time?

FHFA House Price Index, annual appreciation data based on repeat sales and appraisals

+16.1%

YoY Change (2024)

250

HPI Index (2000 = 100)

+150%

Total Change Since 2000

Home values in ZIP 94951 have increased 16.1% over the past year (2024). Since 2000, this ZIP has seen +150% cumulative appreciation.

Year Annual Change HPI Index
2020 -3.9% 211
2021 +2.6% 217
2022 +21.0% 262
2023 -18.0% 215
2024 +16.1% 250

Source: Federal Housing Finance Agency (FHFA) House Price Index, All-Transactions, Five-Digit ZIP Codes (Developmental Index). Index base = 100 in year 2000. Data through 2024. ZIP codes with few transactions may show missing values.

What businesses operate in this ZIP?

Census Bureau data shows 120 business establishments in ZIP 94951, employing approximately 554 people with a combined annual payroll of $35,455,000.

120

Businesses

554

Employees

$35.5M

Annual Payroll

11

Industry Sectors

Industry Establishments % of Total
Construction 37 30.8%
Health care and social assistance 12 10.0%
Professional, scientific, and technical services 11 9.2%
Other services (except public administration) 11 9.2%
Manufacturing 9 7.5%
Retail trade 8 6.7%
Administrative and support and waste management and remediation services 8 6.7%
Educational services 5 4.2%
Accommodation and food services 5 4.2%
Transportation and warehousing 4 3.3%
Information 3 2.5%

Source: U.S. Census Bureau, ZIP Code Business Patterns (ZBP), 2023. Employment figures may include noise for disclosure avoidance.

Nearby ZIP Codes

Want a side-by-side? Compare 94951 vs 94928 →

ZIP 94951 vs its nearest neighbors, by population

Resident population of this ZIP and the closest reporting ZIP codes within ~10 miles.

residents

What this shows Among its immediate neighbors, ZIP 94951 ranks #9 by population - useful context the national average alone can't give.

Source U.S. Census Bureau · ACS 5-Year Estimates As of 2019–2023

ZIP 94951 vs its nearest neighbors, by median income

Median household income of this ZIP and the closest reporting ZIP codes within ~10 miles.

median income

What this shows By household income, ZIP 94951 ranks #6 of 9 neighboring ZIPs, local affluence varies block to block, not just metro to metro.

Source U.S. Census Bureau · ACS 5-Year Estimates As of 2019–2023
ZIP Code City Population Distance
94928 Rohnert Park, CA 43,170 3.1 mi
94931 Cotati, CA 8,470 3.8 mi
95405 Santa Rosa, CA 21,399 8.1 mi
95404 Santa Rosa, CA 39,761 10.0 mi
95431 Eldridge, CA 631 7.3 mi
94954 Petaluma, CA 37,365 7.5 mi
95407 Santa Rosa, CA 39,352 7.4 mi
95409 Santa Rosa, CA 27,187 10.0 mi
95442 Glen Ellen, CA 3,178 8.2 mi
94952 Petaluma, CA 32,858 8.5 mi

More ZIP Codes in Sonoma County

95403 standard
Santa Rosa, CA
Pop: 45,164
94928 standard
Rohnert Park, CA
Pop: 43,170
95404 standard
Santa Rosa, CA
Pop: 39,761
95407 standard
Santa Rosa, CA
Pop: 39,352
94954 standard
Petaluma, CA
Pop: 37,365
95401 standard
Santa Rosa, CA
Pop: 36,981

Related Areas

Sonoma County Penngrove, CA California

Frequently Asked Questions

What county is ZIP code 94951 in? ▼
ZIP code 94951 (Penngrove) is located in Sonoma County, California. Sonoma County contains multiple ZIP codes, see the full list at /counties/sonoma-ca.
What is the population of ZIP code 94951? ▼
ZIP code 94951 in Penngrove, CA has a population of 4,124 according to the Census Bureau ACS 2023 estimates.
What is the median household income in ZIP 94951? ▼
The median household income in ZIP 94951 is $106,332, which is 39% above the national average of $76,288.
What is the average home value in ZIP 94951? ▼
The median home value in ZIP 94951 is $1,207,000, which is 334% above the national average of $278,155.
What is the demographic makeup of ZIP 94951? ▼
The largest racial group in ZIP 94951 is White at 73.7%. Hispanic or Latino residents make up 17.0% of the population.
How many businesses are in ZIP code 94951? ▼
ZIP code 94951 has 120 business establishments employing approximately 554 people, according to Census Bureau ZIP Code Business Patterns (ZBP) 2023 data.
What are the main industries in ZIP code 94951? ▼
The top industries by establishment count in ZIP 94951 are: Construction (37), Health care and social assistance (12), Professional, scientific, and technical services (11). There are 11 industry sectors represented in total.
How have home values changed in ZIP code 94951? ▼
According to the FHFA House Price Index, home values in ZIP 94951 increased by 16.1% in 2024. Since 2000, home values in this ZIP have appreciated by approximately 150%. This is a developmental index based on repeat sales and appraisal data from Fannie Mae and Freddie Mac.
What is the education level in ZIP code 94951? ▼
In ZIP code 94951, 56.8% of residents aged 25+ have a high school diploma or higher, and 46.5% hold a bachelor's degree or higher. These figures come from the Census Bureau ACS 5-Year Estimates (2023).
What is the average commute time in ZIP 94951? ▼
The mean commute time for workers in ZIP code 94951 is 29.6 minutes according to Census ACS data. The national average is roughly 26 minutes, so commuters here spend more time traveling to work than typical.
What percentage of residents own vs. rent in ZIP 94951? ▼
In ZIP code 94951, approximately 71.4% of occupied housing units are owner-occupied and 28.6% are renter-occupied, based on Census ACS 2023 data.
What is the poverty rate in ZIP code 94951? ▼
The poverty rate in ZIP code 94951 is 8.2% according to Census Bureau ACS 2023 estimates. This measures the percentage of the population living below the federal poverty threshold.

Read our methodology to see how this data is sourced, computed, and verified.