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 Low-density area
- $47,021
- Median income Below-median income area
- $2,000,000+
- Median home value Above-median home value
- 100.0%
- Bachelor's or higher Above-average bachelor's attainment
National ZIP placement
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 a sparsely populated ZIP (a standard USPS delivery area) in Marshall, Marin County, California, home to just 268 residents across 59.6 square miles, a density of 5 people per square mile, in the Los Angeles time zone.
ZIP 94940 reports a modest median household income of $47,021 (54% below the average California ZIP), while per-capita income is $82,401. Both reported hardship measures are comparatively low in absolute terms: poverty is 0.0% and unemployment is 0.0%. Housing costs run above the statewide ZIP benchmark while renting is common: median home value is $2,000,000+ (159% above the average California ZIP), with only 38.1% owner-occupied homes.
This is a highly-educated ZIP: 100.0% of adults hold a bachelor's degree or higher, the median age is 57.4, and the average commute is -. The page also surfaces 8 ZIP codes within roughly 10 miles and 6 more in Marin County, so 94940 can be compared with both its immediate and county-level context.
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 →
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 94940, Marshall, 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
268
Population
59.6
Area (sq mi)
5
People / sq mi
Los Angeles
Time Zone
standard
ZIP Type
Who lives in ZIP 94940?
57.4
Median Age
24.3%
Male
75.7%
Female
0.0%
Foreign-Born
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 ZIP avg
$82,401
Per Capita Income
0.0%
Poverty Rate
0.0%
Unemployment Rate
How ZIP 94940 ranks among California ZIPs
Marshall, CA household income vs. every California ZIP code
Median household income among 1,583 reporting California ZIPs (this ZIP's population is too small for a reliable national-corpus placement)
$47,021 5th percentile higher than 5% of 1,583 California ZIPs
Each bar is a $20K-wide band; taller bars hold more California 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?
Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)
What does housing look like?
Housing stock: occupied vs vacant
162housing units
162
Total Housing Units
97
Occupied Units
65
Vacant Units
1.53
Avg Household Size
Occupancy Type
$2,000,000+
Median Home Value
+159% vs state ZIP avg
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.
- 94952
Petaluma (94952)
32,858 residents
- 94956 1,756
Point Reyes Station (94956)
1,756 residents
- 94937 837
Inverness (94937)
837 residents
- 94938 812
Lagunitas (94938)
812 residents
- 94971 337
Tomales (94971)
337 residents
- 94940 268
Marshall (94940)
268 residents
- 94929 264
Dillon Beach (94929)
264 residents
- 94950 89
Olema (94950)
89 residents
- 94972 52
Valley Ford (94972)
52 residents
What this shows Among its immediate neighbors, ZIP 94940 ranks #6 by population - useful context the national average alone can't give.
ZIP 94940 vs its nearest neighbors, by median income
Median household income of this ZIP and the closest reporting ZIP codes within ~10 miles.
- 94929
Dillon Beach (94929)
$209,536 median income
- 94971
Tomales (94971)
$119,028 median income
- 94952
Petaluma (94952)
$117,343 median income
- 94956 $82,205
Point Reyes Station (94956)
$82,205 median income
- 94937 $78,281
Inverness (94937)
$78,281 median income
- 94940 $47,021
Marshall (94940)
$47,021 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.
Nationwide ZIPs with similar ACS profiles
Two Census-derived peer sets for ZIP 94940, both outside CA so the neighborhoods are not geographic containment (Nearby and same-county blocks stay local).
Similar median household income
Nearest cross-state ZIPs by ACS median household income.
More ZIP Codes in Marin County
Related Areas
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 $2,000,000+, 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.
Related
Take this with you
What to do with ZIP 94940's numbers, next.
- See how ZIP 94940 compares to a neighboring ZIP code on the same Census fields Compare this ZIP
- Check where Marshall, CA ranks among every U.S. ZIP code on income, education, or homeownership View national rankings
- Save this ZIP to your shortlist to track alongside others you're considering View your shortlist
ZIP Code Tabulation Areas (ZCTAs) are Census Bureau approximations of USPS ZIP codes; figures describe the ZCTA area, not any single address within it.