San Geronimo

Population: 562
Median household income: $206,375
Median home value: $1,220,800

San Geronimo is a community in Marin County, California, home to 562 residents. Its median household income of $206,375 runs above the Marin County figure of $142,785.

Between 2019 and 2023, San Geronimo's population grew 40.9% from 399 to 562, while its median home value rose 39.2% from $877,200 to $1,220,800.

Households average 2.87 people. 87.8% of adults 25 and older hold a bachelor's degree or higher.

Demographics

ACS 2019–2023

Population: 562
Median age: 46.4 yrs
Median household income: $206,375
Median home value: $1,220,800
Median gross rent: —
Housing units: 195
Homeownership rate: 88.7%
Bachelor's degree or higher: 87.8%
Unemployment rate: 0.0%

Trends

ACS 5-year · 2019–2023

Population

399562

Median household income

$112,277$206,375

Median home value

$877,200$1,220,800

Year	Population	Median household income	Median home value
2019	399	$112,277	$877,200
2020	176	—	$891,900
2021	292	—	$927,500
2022	427	$217,375	$1,160,700
2023	562	$206,375	$1,220,800

Each year is a US Census Bureau ACS 5-year estimate ending that year.

Age distribution

Under 50.0%

5 to 1718.9%

18 to 2421.5%

25 to 343.9%

35 to 440.0%

45 to 5423.8%

55 to 6412.1%

65 to 745.3%

75 and over14.4%

	Count	Share
Under 5	0	0.0%
5 to 17	106	18.9%
18 to 24	121	21.5%
25 to 34	22	3.9%
35 to 44	0	0.0%
45 to 54	134	23.8%
55 to 64	68	12.1%
65 to 74	30	5.3%
75 and over	81	14.4%

Race & ethnicity

	Count	Share
White (non-Hispanic)	540	96.1%
Black or African American	0	0.0%
American Indian & Alaska Native	0	0.0%
Asian	0	0.0%
Native Hawaiian & Pacific Islander	0	0.0%
Some other race	0	0.0%
Two or more races	0	0.0%
Hispanic or Latino (any race)	22	3.9%

Educational attainment (age 25+)

No high school diploma0.0%

High school graduate0.0%

Some college or associate's12.2%

Bachelor's degree9.9%

Graduate or professional degree77.9%

	Count	Share
No high school diploma	0	0.0%
High school graduate	0	0.0%
Some college or associate's	41	12.2%
Bachelor's degree	33	9.9%
Graduate or professional degree	261	77.9%

Commute to work

Mean travel time to work: 18 min

Drove alone76.4%

Carpooled0.0%

Public transit0.0%

Walked4.7%

Bicycle0.0%

Worked from home18.9%

Other means0.0%

How workers get to work

	Count	Share
Drove alone	210	76.4%
Carpooled	0	0.0%
Public transit	0	0.0%
Walked	13	4.7%
Bicycle	0	0.0%
Worked from home	52	18.9%
Other means	0	0.0%

Travel time

	Count	Share
Under 15 min	126	56.5%
15 to 29 min	65	29.1%
30 to 44 min	32	14.3%
45 to 59 min	0	0.0%
60+ min	0	0.0%

Households

Average household size: 2.87
Poverty rate: 0.0% (0 of 560)

	Count	Share
Family households	143	73.3%
Nonfamily households	52	26.7%

Housing

Median year structure built: 1977

Occupancy

	Count	Share
Occupied	195	100.0%
Vacant	0	0.0%

Tenure (of occupied units)

	Count	Share
Owner-occupied	173	88.7%
Renter-occupied	22	11.3%

1-unit, detached82.6%

1-unit, attached17.4%

2 to 4 units0.0%

5 to 19 units0.0%

20 or more units0.0%

Mobile home & other0.0%

Units in structure

	Count	Share
1-unit, detached	161	82.6%
1-unit, attached	34	17.4%
2 to 4 units	0	0.0%
5 to 19 units	0	0.0%
20 or more units	0	0.0%
Mobile home & other	0	0.0%

Geography

Place GEOID: 0667070
Type (LSAD): 57
Land area: 1.51 sq mi
Water area: 0 sq mi
Center point: 38.0067, -122.6633