Fulton, CA · standard

ZIP Code 95439

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

Reviewed by PlainZIP Editorial Team, ZIP Code Data Editors · June 15, 2026

675
95/sq mi: $721,700
Median home value: 33.9%
Bachelor's or higher

The verdict

Fulton pairs top-decile home values, in a rural, homeowner-dominated area.

Top 6%
home value, US ZIPs: 95
people per sq mi: 83%
owner-occupied homes

Source: U.S. Census Bureau ACS 5-Year Estimates (2019–2023). Percentiles rank ZIP 95439 against every reporting US ZIP.

ZIP code 95439 is classified by USPS as a standard delivery area and covers roughly 7.1 square miles in Fulton, Sonoma County, California. The area is home to 675 residents, producing a population density of 95 people per square mile, and falls within the Los Angeles time zone. These USPS and Census boundary values drive every downstream statistic on this page, including the benchmarks that compare 95439 against California and the nation.

On the economic side, the median household income for ZIP 95439 sits at —, while per-capita income is $57,821. The poverty rate stands at 7.4% and the unemployment rate at 0.0%. On housing, the median home value is $721,700 (7% below the state average) with median rent at — per month, and 83.3% of occupied units are owner-occupied, a direct signal of whether 95439 behaves more like a homeowner neighborhood or a renter-heavy ZIP.

Education and household profile round out the picture: 33.9% of adults hold a bachelor's degree or higher, the median age is 44.7, and the average commute is —. We also surface 10 nearby ZIP codes within roughly 10 miles and 6 additional ZIPs sharing Sonoma County, so you can benchmark 95439 against its immediate geography rather than a national average alone. Every figure is sourced from the U.S. Census Bureau American Community Survey 5-Year Estimates, HUD Fair Market Rents, and FHFA Home Price Index data, no estimates, no proprietary scoring. Verify with HUD →

Source: U.S. Census Bureau, American Community Survey 5-Year Estimates + ZIP Code Business Patterns + HUD FMR + FHFA HPI ACS demographics, ZBP business establishments, HUD Fair Market Rents, FHFA HPI for ZIP 95439, Fulton, CA · 2023 Accessed 2026-06-15 Census ACS 5-Year Estimates use a rolling 60-month sample for stable small-geography estimates; ZBP updated annually; HUD FMR + FHFA HPI updated quarterly/annually.

Quick Facts

675

Population

7.1

Area (sq mi)

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 95439?

44.7

Median Age

43.4%

Male

56.6%

Female

0.0%

Foreign-Born

White 88.3%

African American 0.0%

Asian 0.0%

American Indian or Alaska Native 0.0%

Native Hawaiian or Pacific Islander 0.0%

Two or More Ethnicities 0.0%

Hispanic or Latino 0.0%

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?

$57,821

Per Capita Income

7.4%

Poverty Rate

0.0%

Unemployment Rate

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

What is the education profile here?

High School Graduate or Higher 64.8%

Bachelor's Degree or Higher 33.9%

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

What does housing look like?

236

Total Housing Units

203

Occupied Units

Vacant Units

2.39

Avg Household Size

Occupancy Type

Owner 83.3%

Renter 16.7%

$721,700

Median Home Value

-7% vs state

1948

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

+6.2%

YoY Change (2021)

225

HPI Index (2000 = 100)

+125%

Total Change Since 2000

Home values in ZIP 95439 have increased 6.2% over the past year (2021). Since 2000, this ZIP has seen +125% cumulative appreciation.

Year	Annual Change	HPI Index
2016	+5.3%	173
2017	+13.5%	196
2019	—	213
2020	-0.6%	212
2021	+6.2%	225

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 2021. ZIP codes with few transactions may show missing values.

What businesses operate in this ZIP?

Census Bureau data shows 25 business establishments in ZIP 95439, employing approximately 152 people with a combined annual payroll of $9,260,000.

Businesses

152

Employees

$9.3M

Annual Payroll

Industry Sectors

Industry	Establishments	% of Total
Construction	9	36.0%
Retail trade	4	16.0%

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 95439 vs 95403 →

95403

45,164
94928

43,170
95404

39,761
95407

39,352
95401

36,981
95492

28,532
95472

28,255
95405

21,399
95436

5,418

What this shows Among its immediate neighbors, ZIP 95439 ranks #0 by population — useful context the national average alone can't give.

ZIP Code	City	Population	Distance
95403	Santa Rosa, CA	45,164	1.4 mi
95401	Santa Rosa, CA	36,981	3.2 mi
95492	Windsor, CA	28,532	3.3 mi
95407	Santa Rosa, CA	39,352	7.0 mi
95436	Forestville, CA	5,418	7.4 mi
95444	Graton, CA	748	6.4 mi
95404	Santa Rosa, CA	39,761	7.1 mi
95405	Santa Rosa, CA	21,399	7.2 mi
95472	Sebastopol, CA	28,255	8.1 mi
94928	Rohnert Park, CA	43,170	11.1 mi

More ZIP Codes in Sonoma County

Sonoma County Fulton, CA California

Frequently Asked Questions

What county is ZIP code 95439 in? ▼

ZIP code 95439 (Fulton) 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 95439? ▼

ZIP code 95439 in Fulton, CA has a population of 675 according to the Census Bureau ACS 2023 estimates.

What is the average home value in ZIP 95439? ▼

The median home value in ZIP 95439 is $721,700, which is 159% above the national average of $278,155.

What is the demographic makeup of ZIP 95439? ▼

The largest racial group in ZIP 95439 is White at 88.3%.

How many businesses are in ZIP code 95439? ▼

ZIP code 95439 has 25 business establishments employing approximately 152 people, according to Census Bureau ZIP Code Business Patterns (ZBP) 2023 data.

How have home values changed in ZIP code 95439? ▼

According to the FHFA House Price Index, home values in ZIP 95439 increased by 6.2% in 2021. Since 2000, home values in this ZIP have appreciated by approximately 125%. 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 95439? ▼

In ZIP code 95439, 64.8% of residents aged 25+ have a high school diploma or higher, and 33.9% hold a bachelor's degree or higher. These figures come from the Census Bureau ACS 5-Year Estimates (2023).

What percentage of residents own vs. rent in ZIP 95439? ▼

In ZIP code 95439, approximately 83.3% of occupied housing units are owner-occupied and 16.7% are renter-occupied, based on Census ACS 2023 data.

What is the poverty rate in ZIP code 95439? ▼

The poverty rate in ZIP code 95439 is 7.4% according to Census Bureau ACS 2023 estimates. This measures the percentage of the population living below the federal poverty threshold.