Plain

Residential delivery area · California

ZIP Code 94938: Lagunitas, CA

ZIP code 94938 uses the postal name Lagunitas, California and lies entirely in Marin County (Census 2020 ZIP-county file). About 440 people live there (Census Bureau, ACS 2020-2024). By Census place, 11% of its land lies in Lagunitas-Forest Knolls (a census-designated place); 89% is outside any Census place.

  • ACS2020-24
  • Census2020
  • FHFA2022
  • ZBP2023
9national area: California, Alaska, Hawaii, Oregon, Washington and 7 more
949sectional center: North Bay, CA (SCF 949)
38delivery area within it
Town
Lagunitas · its only residential ZIP
Census places
Lagunitas-Forest Knolls census-designated place
Metro area
San Francisco-Oakland-Fremont, CA
House district
CA-2 119th Congress
Time zone
Pacific
Land area
9.5 sq mi · 46 people per sq mi

Where is ZIP code 94938?

94938 centers on 38.030°, -122.730° and covers 9.5 square miles of land. It borders 6 ZIP codes: 94950, 94933, 94946, 94924, 94956, 94941.

94924 · Bolinas94933 · Forest Knolls94941 · Mill Valley94946 · Nicasio94950 · Olema94956 · Point Reyes Station94938 · Lagunitas (this ZIP)94938949469492494956949509493394924 · Bolinas94933 · Forest Knolls94941 · Mill Valley94946 · Nicasio94950 · Olema94956 · Point Reyes Station94938 · Lagunitas (this ZIP)94938949469492494956949509493394924 · Bolinas94933 · Forest Knolls94941 · Mill Valley94946 · Nicasio94950 · Olema94956 · Point Reyes Station94938 · Lagunitas (this ZIP)949389494694924949569495094933
Shaded by median household income, in national fifths (ACS 2020-2024); 94938 outlined. Census 2020 ZCTA boundaries. <$54.1k$98.1k+no figure

The map draws ZIP code areas only. For the streets inside 94938, open its center on OpenStreetMap.

Source: U.S. Census Bureau, 2020 ZCTA cartographic boundaries and the 2023 Gazetteer (2020 ZCTAs); ZIP-to-county shares, Census places and House districts (119th Congress) from the Census 2020 relationship files (shares of land); metro area from the OMB delineation (July 2023); town name and time zone from simplemaps US ZIP Codes (CC BY 4.0).

How does 94938 compare with the rest of Marin County?

Rank of 94938 among the residential ZIP codes of its town, county and state (1 = the most; income and home value among ZIP codes of 1,000+ people living in households)
Measure94938In Marin CountyIn CA
People (ACS 2020-2024)43724th of 291,550th of 1,802
Median household income–not rankednot ranked
Median home value$1.15Mnot rankednot ranked

94938's income and home value are not ranked: it has fewer than 1,000 residents (437). Rankings use ZIP codes of 1,000 or more people living in households, with margins at most 25% of the figure.

It is denser than 41% of U.S. residential ZIP codes. ZIP codes at the ACS caps ($250,000 or more for household income, $2,000,000 or more for home value) share the top rank.

Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B01003, B19013, B25077); ranks by PlainZIP over residential ZIP codes (ZCTAs).

How many people live in 94938?

The 2020 Census counted 683 people in 94938; the ACS, which samples households over 2020-2024, estimates 437. Its boundary changed between the 2010 and 2020 censuses, so the two counts are not compared.

People, ACS 2020-2024
437±137 (90% margin)
2020 Census count
683
Households
223
Median age
43.5

Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B01003, B01002, B11001); 2020 Census (DHC P1); 2010 Census (SF1 P1).

Who lives in 94938?

Of the 437 people the ACS estimates in 94938, 16.2% are under 18 and 22.9% are 65 or older. The largest group by race and Hispanic origin is White (not Hispanic) (98.2%).

  • Under 1816.2%
  • 18 to 6460.9%
  • 65 and older22.9%
Age of the people of 94938 (ACS 2020-2024, B01001)
  • White, not Hispanic98.2%
  • Other or two or more1.8%
  • Hispanic or Latino0.0%
  • Black, not Hispanic0.0%
  • Asian, not Hispanic0.0%
Race and Hispanic origin in 94938 (ACS 2020-2024, B03002); each person counted once

Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B01001 age by sex, B03002 Hispanic or Latino origin by race); shares of the estimated population, small ZIP codes carry wide margins.

What are homes worth in 94938?

Median home value (owners' estimate)
$1,149,700
Median gross rent
–
Homes owned by their occupants
68.6%
Housing units
300
0 100 200 300 400 500 1991200020102022 0 100 200 300 400 500 1991200020102022 0 100 200 300 400 500 1991200020102022
Index = 100 in 1991, the first year FHFA reports for 94938; 2022: 479.7. Annual, not seasonally adjusted; FHFA calls its ZIP-level indexes developmental. FHFA's series for 94938 stops in 2022: it publishes no ZIP index for a year with too few repeat sales.

Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B25077, B25064, B25003, B25001); FHFA House Price Index, annual five-digit ZIP, updated 2026-03-31.

What businesses are in 94938?

18 business establishments had a location in this ZIP code in 2023, 1 fewer than in 2018; the most are in construction (ZIP Code Business Patterns).

  • Construction7

Source: U.S. Census Bureau, ZIP Code Business Patterns 2023 and 2018 (establishments with paid employees, by the business's ZIP code).

Which ZIP codes are next to 94938?

ZIP codes that share a boundary with 94938, then the nearest by center
ZIPTownPeopleHousehold incomeDistance
94950Olema22–1.9 mi
94933Forest Knolls1,033$133k2.4 mi
94946Nicasio715$155k3.6 mi
94924Bolinas1,372$102k4.4 mi
94956Point Reyes Station1,080$82k4.9 mi
94941Mill Valley32,706$210k10.1 mi
94963San Geronimo739$211k3.9 mi (near)
94973Woodacre1,689$231k5.1 mi (near)
94930Fairfax8,406$145k7.5 mi (near)

Source: PlainZIP from the Census 2020 ZCTA boundaries (shared edges) and internal points; figures ACS 2020-2024.