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CITY

South Monrovia Island

California · 6,830 residents · 0.55 sq mi
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The short version

South Monrovia Island is home to 6,830 people in California. The typical home is worth $680,900. Few US cities rank higher on income. Density works out to 12,464 people per square mile. This skews young, with a median age of 33.8. The foreign-born share is 27%.

At a glance
Wealthier
above the US median
US median: $82,259
Younger
median age 33.8
US median: 38.9
Less educated
25% hold a bachelor's degree
US average: 36%
Stable housing
home values roughly flat, inflation adjusted
US median home: $376,019
Section 01

Population & growth

6,830
−3%since 2023
from 7,072 in 2023
2010 – 2024
12,464 / sq mi
−3%since 2023
from 12,905 / sq mi in 2023
US average: 281
33.8
−2%since 2023
from 34.4 in 2023
US average: 38.9
Land area
0.55 sq mi
Population, 20102024
6K6K7K7K7K201020202024South Monrovia Island
20247K
201020202024
Age distribution, 2024
Under 56.5%(447)
US avg: 5.6%
5 to 96.8%(463)
US avg: 6%
10 to 149.1%(620)
US avg: 6.4%
15 to 196.7%(461)
US avg: 6.6%
20 to 245.6%(383)
US avg: 6.5%
25 to 3417.6%(1,202)
US avg: 13.7%
35 to 4411.6%(791)
US avg: 13.2%
45 to 5412.4%(846)
US avg: 12.2%
55 to 6412.7%(866)
US avg: 12.7%
65 to 745.3%(363)
US avg: 10.2%
75 to 844.6%(314)
US avg: 5.1%
85 and over1.1%(74)
US avg: 1.9%
BAR + DOT: THIS PLACE · TICK: US AVERAGE
Section 02

Income & economy

$104,444
−8%inflation adjusted, since 2023
from $109,730 in 2023
US average: $82,259
2010 – 2024
$27,603
−7%since 2023
from $29,829 in 2023
US average: $44,673
Households earning $100K+
72.0%
−2.2 ptssince 2023
from 74.2% in 2023
US average: 53.3%
7.2%
+1.2 ptssince 2023
from 6.0% in 2023
US average: 12.5%
0.318
−2%since 2023
from 0.326 in 2023
US average: 0.476
Workforce by industry, 2024
Information11%
US avg: 10.8%
Wholesale trade9.6%
US avg: 6.9%
Retail trade8.1%
US avg: 9.9%
Finance & insurance7.1%
US avg: 5.9%
Professional, scientific, technical5.1%
US avg: 5.1%
Other services3.9%
US avg: 6.7%
Public administration3.9%
US avg: 4.8%
Arts, entertainment, food2.1%
US avg: 1.9%
Education & health services2%
US avg: 0.9%
Transportation & warehousing1.4%
US avg: 2.2%
Agriculture, forestry, fishing0.9%
US avg: 1.6%
Construction0.9%
US avg: 1.2%
Manufacturing0%
US avg: 0.4%
BAR + DOT: THIS PLACE · TICK: US AVERAGE
Section 03

Housing

$680,900
Unchangedinflation adjusted, since 2023
from $660,800 in 2023
US average: $376,019
2010 – 2024
$1,814
−11%inflation adjusted, since 2023
from $1,985 in 2023
US average: $1,442
66.2%
−0.6 ptssince 2023
from 66.7% in 2023
33.8% rent
0.0%
Unchangedsince 2023
from 0.0% in 2023
US average: 10.0%
4.14 people
+2%since 2023
from 4.06 people in 2023
US average: 2.54
27.8%
+8.5 ptssince 2023
from 19.3% in 2023
US average: 22.9%
19.5%
−6.8 ptssince 2023
from 26.2% in 2023
US average: 47.4%
6.5
+8%since 2023
from 6.0 in 2023
2010 – 2024
Years of local income it takes to buy a local home, on a scale of about 0 to 15. Lower is more affordable.
77
Our index, 0 to 100. Higher means faster recent growth in incomes, home values, and college degrees.
Section 04

Race & ethnicity

2023
White, non-Hispanic11.5%(814)
Black3.8%(269)
Hispanic / Latino70.4%(4,980)
Asian8.4%(591)
Other5.9%(418)
2024
White, non-Hispanic11.1%(761)
Black4.6%(316)
Hispanic / Latino72.6%(4,960)
Asian4.9%(337)
Other6.7%(456)
56
−6%since 2023
from 60 in 2023
2011 – 2024
Our index, 0 to 100. Higher means a more even mix of racial and ethnic groups.
Section 04 · Origins

Detailed origins & ancestry

Hispanic origin
Mexican57.4%(3,918)
Salvadoran4.9%(338)
Guatemalan4.3%(293)
Peruvian1%(65)
Ecuadorian0.7%(50)
Honduran0.6%(42)
Cuban0.6%(41)
Nicaraguan0.6%(39)
Puerto Rican0.3%(20)
Argentine0.2%(16)
+ 1 more hispanic origin group with data
Colombian0.1%(10)
Asian origin
Taiwanese1.7%(119)
Chinese1.6%(106)
Japanese0.9%(63)
Filipino0.5%(33)
Vietnamese0.1%(8)
Korean0.1%(4)
Ancestry
English4.6%(312)
German3.4%(235)
Hungarian0.8%(57)
American0.8%(56)
Italian0.6%(44)
Irish0.6%(41)
Scottish0.6%(39)
Slovene0.5%(37)
Lithuanian0.5%(32)
Polish0.5%(32)
Swedish0.5%(31)
French0.2%(15)
+ 9 more ancestry groups with data
Dutch0.2%(12)
Scotch-Irish0.2%(11)
Swiss0.1%(7)
Welsh0.1%(7)
Armenian0.1%(5)
Romanian0.1%(5)
Ukrainian0.1%(5)
Greek0.1%(4)
Section 05

Education

25.2%
−2.0 ptssince 2023
from 27.2% in 2023
US average: 35.6%
High school or higher
73.4%
−2.2 ptssince 2023
from 75.6% in 2023
US average: 89.6%
9.0%
−1.2 ptssince 2023
from 10.3% in 2023
US average: 14.0%
Section 06

Commute & transportation

25.5 min
−5%since 2023
from 27.0 min in 2023
US average: 26.5
77.3%
+2.5 ptssince 2023
from 74.8% in 2023
US average: 68.9%
8.8%
−3.9 ptssince 2023
from 12.7% in 2023
US average: 8.5%
2.1%
+0.7 ptssince 2023
from 1.4% in 2023
US average: 3.2%
7.5%
+0.6 ptssince 2023
from 6.9% in 2023
US average: 15.0%
1.5%
+0.4 ptssince 2023
from 1.2% in 2023
US average: 2.4%
0.5%
Unchangedsince 2023
from 0.5% in 2023
US average: 0.4%
4.2%
+0.2 ptssince 2023
from 4.0% in 2023
US average: 8.3%
Section 07

Work & employment

6.9%
+1.5 ptssince 2023
from 5.4% in 2023
US average: 5.2%
64.5%
−0.4 ptssince 2023
from 64.9% in 2023
US average: 63.5%
Women 20-64 in the labor force
75.2%
US average: 74.6%
20.4%
+3.5 ptssince 2023
from 17.0% in 2023
US average: 13.1%
26.3%
−3.2 ptssince 2023
from 29.4% in 2023
US average: 42.5%
Section 08

People & community

53.1%
−2.2 ptssince 2023
from 55.3% in 2023
46.9%
+2.2 ptssince 2023
from 44.7% in 2023
27.2%
−2.6 ptssince 2023
from 29.8% in 2023
US average: 14.1%
2.7%
+0.9 ptssince 2023
from 1.8% in 2023
US average: 6.2%
7.6%
+1.4 ptssince 2023
from 6.2% in 2023
US average: 13.3%
7.2%
−2.2 ptssince 2023
from 9.4% in 2023
US average: 8.4%
92.4%
+1.7 ptssince 2023
from 90.7% in 2023
US average: 91.0%
Computer in household
96.6%
US average: 95.5%
93.7%
US average: 87.7%
40.5%
+3.0 ptssince 2023
from 37.6% in 2023
US average: 77.7%
54.6%
+1.0 ptssince 2023
from 53.6% in 2023
US average: 13.6%
Marital status
Men 15+
Never married48%(1,278)
Married45%(1,197)
Widowed3.3%(88)
Divorced3.7%(99)
Women 15+
Never married37.6%(993)
Married48.7%(1,284)
Widowed6.7%(178)
Divorced6.9%(183)
SHARE WITHIN EACH SEX · POPULATION 15 AND OVER · 2024
Section 09

Health coverage

7.2%
−2.2 ptssince 2023
from 9.4% in 2023
US average: 8.4%
46.7%
US average: 54.8%
Direct-purchase
6.3%
US average: 13.8%
11.0%
US average: 18.4%
37.0%
US average: 20.9%
VA health care
0.5%
US average: 2.2%
Any private
52.4%
US average: 67.1%
Any public
45.2%
US average: 36.7%

Shares are "alone or in combination": a person with both Medicare and Medicaid counts in each, so categories overlap and do not sum to 100%.

Section 09 · Service history

Veterans

Veterans by period of service, 2024
Gulf War (2001 or later)10.6%(14)
US avg: 26.4%
Gulf War (1990s)11.4%(15)
US avg: 24.3%
Vietnam era18.9%(25)
US avg: 33.1%
Korean War7.6%(10)
US avg: 4.5%
World War II0%(0)
US avg: 1%

Share of the 132 veterans here. A veteran who served across eras counts in each, so shares can total more than 100%. Peacetime-only service is included in the total but not shown as an era.

BAR + DOT: THIS PLACE · TICK: US AVERAGE
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Frequently asked

How many people live in South Monrovia Island, California?

South Monrovia Island, California has about 6,830 residents according to the 2024 American Community Survey.

What is the median household income in South Monrovia Island, California?

The typical household in South Monrovia Island, California earns about $104,444 a year. Half of households make more than that, and half make less.

Is South Monrovia Island, California expensive?

In South Monrovia Island, California, the median home is worth about $680,900, and the typical rent is about $1,814 a month.

How educated are people in South Monrovia Island, California?

About 25.2% of adults age 25 and over in South Monrovia Island, California hold a bachelor's degree or higher.

What is the poverty rate in South Monrovia Island, California?

About 7.2% of people in South Monrovia Island, California live below the federal poverty line.

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DATA: US CENSUS BUREAU ACS 5-YEAR + DECENNIAL CENSUS · UPDATED 2024

How we source and harmonize this data →