San Geronimo, California Population 2024

678

San Geronimo is a city located in Marin County California. San Geronimo has a 2024 population of 678. San Geronimo is currently growing at a rate of 22.83% annually and its population has increased by 285.23% since the most recent census, which recorded a population of 176 in 2020.

The average household income in San Geronimo is $347,862 with a poverty rate of 0%. The median rental costs in recent years comes to - per month, and the median house value is -. The median age in San Geronimo is 46.1 years, 33.5 years for males, and 46.2 years for females.

San Geronimo Demographics

According to the most recent ACS, the racial composition of San Geronimo was:

  • White: 100%
  • Black or African American: 0%
  • Native American: 0%
  • Asian: 0%
  • Native Hawaiian or Pacific Islander: 0%
  • Other race: 0%
  • Two or more races: 0%
Land Area (mi²)
1.5 sq mi
Density (mi²)
449.50/sq mi
Growth Since 2020
285.23% (502)
The current population of San Geronimo, California is 678 based on our projections of the latest US Census estimates.The last official US Census in 2020 recorded the population at 176.

San Geronimo, California Population 2024

Population by Race

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Race
Population
Percentage (of total)
White427100%
Black or African American00%
Native American00%
Asian00%
Native Hawaiian or Pacific Islander00%
Other race00%
Two or more races00%

White

Black or African American

Native American

Asian

Native Hawaiian or Pacific Islander

Other race

Two or more races

San Geronimo Population by Race

San Geronimo Population Pyramid 2024

San Geronimo Median Age

46.1

Total

33.5

Male

46.2

Female

San Geronimo Adults

There are 334 adults, (84 of whom are seniors) in San Geronimo.

San Geronimo Age Dependency

70.8

Age Dependency Ratio

33.6

Old Age Dependency Ratio

37.2

Child Dependency Ratio

San Geronimo Sex Ratio

Female17540.98%
Male25259.02%

San Geronimo Population by Age

San Geronimo Renter vs Owner Occupied by Household Type

Household Type
Count
Average Size
Owner
Renter
All1413.0288.711.3
Married1003.851000
Non Family4106139
Male0000
Female0000

3.85

Average Family Size

3.02

Average Household Size

88.7%

Rate of Home Ownership

Married

Male

Female

NonFamily

owner

renter

San Geronimo Households and Families

Male

Female

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Education Attained
Count
Percentage
9th to 12th Grade00%
Associates Degree208.3%
Bachelors Degree4117.01%
Graduate Degree18074.69%
High School Graduate00%
Less Than 9th Grade00%
Some College00%

Less Than 9th Grade

9th to 12th Grade

High School Graduate

Some College

Associates Degree

Bachelors Degree

Graduate Degree

San Geronimo Educational Attainment by Sex (over 25)

San Geronimo Educational Attainment by Race

High School Graduation Rate

Bachelors Rate

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Race
Total
High School
Bachelors
White225225205
Hispanic161616

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%.

San Geronimo Educational Attainment by Race

All

Male

Female

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Name
Average
Male
Female
Bachelors Degree$0$0$0
Graduate Degree$222,870$0$0
High School Graduate$0$0$0
Less Than 9th Grade$0$0$0
Overall$223,380$250,001$0
Some College$0$0$0

$223,380

Average Earnings

$250,001

Average Male

$0

Average Female

San Geronimo Earnings by Educational Attainment

San Geronimo Language by Age

Only English

Spanish

Other Indo-European Languages

Asian and Pacific Island Languages

Other Languages

San Geronimo Language

67.21% of San Geronimo residents speak only English, while 32.79% speak other languages. The non-English language spoken by the largest group is Other Indo-European, which is spoken by 32.79% of the population.

San Geronimo Language

rate

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Rate
Poverty
Less Than 9th Grade0%
High School0%
Some College0%
Bachelors or Greater0%

San Geronimo Poverty Rate by Education

rate

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Rate
Poverty
Male Employed0%
Male Unemployed0%
Female Employed0%
Female Unemployed0%

San Geronimo Poverty Rate by Employment Status and Sex

San Geronimo Income by Household Type

Households

Families

MarriedFamilies

NonFamilies

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Name
Median
Mean
Families$250,001$437,354
Households$217,375$347,862
Married Families$250,001$-999,999,999
Non Families-$-999,999,999

mean

median

Income by Household Type

San Geronimo Marital Status

Married

Widowed

Divorced

Separated

NeverMarried

Marriage Rates

49.5%

Overall Marriage Rate

43.9%

Male Marriage Rate

56.9%

Female Marriage Rate

San Geronimo Married by Age and Sex

male

female

San Geronimo Marriage

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.

San Geronimo Marital Status by Race

Married

Widowed

Divorced

Separated

NeverMarried

San Geronimo Marital Status

Second Gulf War

First Gulf War

Vietnam

Korea

World War II

19

Number of Veterans

19

Male Veterans

0

Female Veterans

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War
Veterans
Second Gulf War0
First Gulf War0
Vietnam0
Korea0
World War II0

San Geronimo Veterans by War

count

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Age Group
Veterans
75+19
18 to 340
35 to 540
55 to 640
65 to 740

San Geronimo Veterans by Age

count

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Name
Veterans
% of Total
White195.69%

San Geronimo Veterans by Race

San Geronimo Veterans by Education

Less Than 9th Grade

High School Graduate

Some College

Bachelors or Greater

0%

Veteran Poverty Rate

0%

Veteran Disability Rate

San Geronimo Veterans by Education

LaborForceParticipation

59.6%

Labor Force Participation

59.6%

Employment Rate

0%

Unemployment Rate

San Geronimo Employment by Age

LaborForceParticipation

San Geronimo Employment by Race

LaborForceParticipation

San Geronimo Employment by Education

Origin of Non-Citizens

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.

Origin of Naturalized Citizens

Europe

Asia

Africa

Oceania

Latin America

North America

35.13%

Born in San Geronimo

82.67%

Native Born

17.33%

Foreign Born

0%

Non Citizen

17.33%

Naturalized

Place of Birth

82.67% of San Geronimo residents were born in the United States, with 35.13% 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.

San Geronimo Place of Birth

Note: data after 2022 is projected based on recent change

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Year
Population
Growth
Growth Rate
202467812622.83%
202355212529.27%
202242713546.23%
202129211665.91%
2020176-223-55.89%
2019399-67-14.38%
2018466224.95%
2017444-153-25.63%
2016597-2-0.33%
201559923062.33%
2014369-22-5.63%
2013391-91-18.88%
20124829925.85%
2011383-63-14.13%
201044600%

San Geronimo Population by Year