Marshall, CA · standard

ZIP Code 94940

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

268
5/sq mi
$47,021
Median income
$2,000,001
Median home value
100.0%
Bachelor's or higher

The verdict

Marshall pairs one of the lowest household incomes in the country with top-decile home values, in a rural, renter-heavy area.

11th pct
household income, US ZIPs
Top 1%
home value, US ZIPs
5
people per sq mi
38%
owner-occupied homes

Source: U.S. Census Bureau ACS 5-Year Estimates (2019–2023). Percentiles rank ZIP 94940 against every reporting US ZIP.

ZIP code 94940 is classified by USPS as a standard delivery area and covers roughly 59.6 square miles in Marshall, Marin County, California. The area is home to 268 residents, producing a population density of 5 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 94940 against California and the nation.

On the economic side, the median household income for ZIP 94940 sits at $47,021 (54% below the California average), while per-capita income is $82,401. The poverty rate stands at 0.0% and the unemployment rate at 0.0%. On housing, the median home value is $2,000,001 (159% above the state average) with median rent at per month, and 38.1% of occupied units are owner-occupied, a direct signal of whether 94940 behaves more like a homeowner neighborhood or a renter-heavy ZIP.

Education and household profile round out the picture: 100.0% of adults hold a bachelor's degree or higher, the median age is 57.4, and the average commute is . We also surface 8 nearby ZIP codes within roughly 10 miles and 6 additional ZIPs sharing Marin County, so you can benchmark 94940 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 94940, Marshall, CA · 2023 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

268

Population

59.6

Area (sq mi)

5

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 94940?

57.4

Median Age

24.3%

Male

75.7%

Female

0.0%

Foreign-Born

White 100.0%
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?

$47,021

Median Household Income

-54% vs state

$82,401

Per Capita Income

0.0%

Poverty Rate

0.0%

Unemployment Rate

How ZIP 94940 ranks nationally

Household income vs. every US ZIP code

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

$47,021 11th percentile higher than 11% 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%). This entry sits in this band. $60,000–$80,000: 9,980 US ZIPs (33%). Above this entry. $80,000–$100,000: 5,778 US ZIPs (19%). Above this entry. $100,000–$120,000: 2,855 US ZIPs (9%). Above this entry. $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 100.0%
Bachelor's Degree or Higher 100.0%

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

What does housing look like?

162

Total Housing Units

97

Occupied Units

65

Vacant Units

1.53

Avg Household Size

Occupancy Type

Owner 38.1%
Renter 61.9%

$2,000,001

Median Home Value

+159% vs state

1938

Median Year Built

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

What businesses operate in this ZIP?

Census Bureau data shows 10 business establishments in ZIP 94940, employing approximately 123 people with a combined annual payroll of $8,413,000.

10

Businesses

123

Employees

$8.4M

Annual Payroll

2

Industry Sectors

Industry Establishments % of Total
Accommodation and food services 4 40.0%
Construction 3 30.0%

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 94940 vs 94937 →

ZIP 94940 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 94940 ranks #6 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 94940 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 94940 ranks #6 of 6 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
94937 Inverness, CA 837 4.8 mi
94971 Tomales, CA 337 5.4 mi
94956 Point Reyes Station, CA 1,756 8.2 mi
94929 Dillon Beach, CA 264 7.5 mi
94952 Petaluma, CA 32,858 7.6 mi
94972 Valley Ford, CA 52 9.5 mi
94950 Olema, CA 89 11.8 mi
94938 Lagunitas, CA 812 12.6 mi

More ZIP Codes in Marin County

Frequently Asked Questions

What county is ZIP code 94940 in?
ZIP code 94940 (Marshall) is located in Marin County, California. Marin County contains multiple ZIP codes, see the full list at /counties/marin-ca.
What is the population of ZIP code 94940?
ZIP code 94940 in Marshall, CA has a population of 268 according to the Census Bureau ACS 2023 estimates.
What is the median household income in ZIP 94940?
The median household income in ZIP 94940 is $47,021, which is 38% below the national average of $76,288.
What is the average home value in ZIP 94940?
The median home value in ZIP 94940 is $2,000,001, which is 619% above the national average of $278,155.
What is the demographic makeup of ZIP 94940?
The largest racial group in ZIP 94940 is White at 100.0%.
How many businesses are in ZIP code 94940?
ZIP code 94940 has 10 business establishments employing approximately 123 people, according to Census Bureau ZIP Code Business Patterns (ZBP) 2023 data.
What is the education level in ZIP code 94940?
In ZIP code 94940, 100.0% of residents aged 25+ have a high school diploma or higher, and 100.0% 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 94940?
In ZIP code 94940, approximately 38.1% of occupied housing units are owner-occupied and 61.9% are renter-occupied, based on Census ACS 2023 data.

ZIP Code Research Guides

Official Data Resources for Marshall, CA

Verify and explore additional data for this area using these official government sources.