San Geronimo is a CDP located in Marin County California. San Geronimo has a 2024 population of 424. San Geronimo is currently declining at a rate of -0.24% annually but its population has increased by 140.91% since the most recent census, which recorded a population of 176 in 2020.
The average household income in San Geronimo is $301,074 with a poverty rate of 0%. The median age in San Geronimo is 46.4 years: 46.3 years for males, and 46.5 years for females.
According to the most recent ACS, the racial composition of San Geronimo was:
Race | Population | Percentage (of total) |
|---|---|---|
| White | 562 | 100% |
| Black or African American | 0 | 0% |
| Native American | 0 | 0% |
| Asian | 0 | 0% |
| Native Hawaiian or Pacific Islander | 0 | 0% |
| Other race | 0 | 0% |
| Two or more races | 0 | 0% |
White
Black or African American
Native American
Asian
Native Hawaiian or Pacific Islander
Other race
Two or more races
Household Type | Count | Average Size | Owner | Renter |
|---|---|---|---|---|
| All | 195 | 2.87 | 88.7 | 11.3 |
| Married | 143 | 3.55 | 100 | 0 |
| Non Family | 52 | 0 | 57.7 | 42.3 |
| Male | 0 | 0 | 0 | 0 |
| Female | 0 | 0 | 0 | 0 |
3.55
Average Family Size
2.87
Average Household Size
88.7%
Rate of Home Ownership
Married
Male
Female
NonFamily
owner
renter
Male
Female
Education Attained | Count | Percentage |
|---|---|---|
| 9th to 12th Grade | 0 | 0% |
| Associates Degree | 28 | 8.36% |
| Bachelors Degree | 33 | 9.85% |
| Graduate Degree | 261 | 77.91% |
| High School Graduate | 0 | 0% |
| Less Than 9th Grade | 0 | 0% |
| Some College | 13 | 3.88% |
Less Than 9th Grade
9th to 12th Grade
High School Graduate
Some College
Associates Degree
Bachelors Degree
Graduate Degree
High School Graduation Rate
Bachelors Rate
Race | Total | High School | Bachelors |
|---|---|---|---|
| White | 313 | 313 | 272 |
| Hispanic | 22 | 22 | 22 |
The highest rate of high school graduation is among white people with a rate of 100%.
The highest rate of bachelors degrees is among hispanic people with a rate of 100%.
All
Male
Female
Name | Average | Male | Female |
|---|---|---|---|
| Bachelors Degree | $0 | $0 | $0 |
| Graduate Degree | $0 | $196,445 | $0 |
| High School Graduate | $0 | $0 | $0 |
| Less Than 9th Grade | $0 | $0 | $0 |
| Overall | $230,147 | $250,001 | $0 |
| Some College | $0 | $0 | $0 |
$230,147
Average Earnings
$250,001
Average Male
$0
Average Female
Only English
Spanish
Other Indo-European Languages
Asian and Pacific Island Languages
Other Languages
69.4% of San Geronimo residents speak only English, while 30.6% speak other languages. The non-English language spoken by the largest group is Other Indo-European, which is spoken by 30.6% of the population.
rate
Rate | Poverty |
|---|---|
| Less Than 9th Grade | 0% |
| High School | 0% |
| Some College | 0% |
| Bachelors or Greater | 0% |
rate
Rate | Poverty |
|---|---|
| Male Employed | 0% |
| Male Unemployed | 0% |
| Female Employed | 0% |
| Female Unemployed | 0% |
Households
Families
MarriedFamilies
NonFamilies
Name | Median | Mean |
|---|---|---|
| Families | $250,001 | $363,662 |
| Households | $206,375 | $301,074 |
| Married Families | $250,001 | $-999,999,999 |
| Non Families | - | $-999,999,999 |
mean
median
Married
Widowed
Divorced
Separated
NeverMarried
52.2%
Overall Marriage Rate
46.1%
Male Marriage Rate
60.2%
Female Marriage Rate
male
female
The age group where males are most likely to be married is 45-54, while the female age group most likely to be married is 45-54.
Married
Widowed
Divorced
Separated
NeverMarried
Second Gulf War
First Gulf War
Vietnam
Korea
World War II
27
Number of Veterans
27
Male Veterans
0
Female Veterans
War | Veterans |
|---|---|
| Second Gulf War | 0 |
| First Gulf War | 0 |
| Vietnam | 0 |
| Korea | 0 |
| World War II | 0 |
count
Age Group | Veterans |
|---|---|
| 75+ | 27 |
| 18 to 34 | 0 |
| 35 to 54 | 0 |
| 55 to 64 | 0 |
| 65 to 74 | 0 |
count
Name | Veterans | % of Total |
|---|---|---|
| White | 27 | 5.92% |
Less Than 9th Grade
High School Graduate
Some College
Bachelors or Greater
0%
Veteran Poverty Rate
0%
Veteran Disability Rate
LaborForceParticipation
53%
Labor Force Participation
53%
Employment Rate
0%
Unemployment Rate
LaborForceParticipation
LaborForceParticipation
Europe
Asia
Africa
Oceania
Latin America
North America
Non citizens include legal permanent residents (green card holders), international students, temporary workers, humanitarian migrants, and illegal immigrants.
Europe
Asia
Africa
Oceania
Latin America
North America
37.9%
Born in San Geronimo
83.45%
Native Born
16.55%
Foreign Born
0%
Non Citizen
16.55%
Naturalized
83.45% of San Geronimo residents were born in the United States, with 37.9% having been born in California. 0% of residents are not US citizens. Of those not born in the United States, the largest percentage are from Europe.
Year | Population | Growth | Change |
|---|---|---|---|
| 2024 | 424 | -1 | -0.24% |
| 2023 | 425 | -2 | -0.47% |
| 2022 | 427 | 135 | 46.23% |
| 2021 | 292 | 116 | 65.91% |
| 2020 | 176 | -223 | -55.89% |
| 2019 | 399 | -67 | -14.38% |
| 2018 | 466 | 22 | 4.95% |
| 2017 | 444 | -153 | -25.63% |
| 2016 | 597 | -2 | -0.33% |
| 2015 | 599 | 230 | 62.33% |
| 2014 | 369 | -22 | -5.63% |
| 2013 | 391 | -91 | -18.88% |
| 2012 | 482 | 99 | 25.85% |
| 2011 | 383 | -63 | -14.13% |
| 2010 | 446 | 0 | 0% |