Demographics of Monrovia city, California

Monrovia city, California had 38,264 people on July 1, 2025, by the Census Bureau’s estimate: +273 since July 2020. Age, income, poverty, housing and origin below come from the survey, averaged over 2020–2024, each with its margin of error.

Monrovia city, in four figures

38,264
Population: July 1, 2025, Vintage 2025 estimate. The survey’s 2020–⁠2024 figure is 37,571 ±63.; +0.7%
Change since July 2020: +273 people.; 38.3 ±1.2
Median age: ACS 2020–⁠2024.; $96,021 ±$4,856
Median household income: ACS 2020–⁠2024, in 2024 dollars.

Population, year by year

July 1 estimates from the Census Bureau’s Vintage 2025. The Bureau publishes no births, deaths or migration for a place, so the change is the difference between one July estimate and the next.

Monrovia city, California's population grew 0.7% from July 2020 to July 2025, against +3.1% nationally

The July 1 estimate of Monrovia city, California's resident population and the nation's, each year of the Census Bureau's Vintage 2025, as a share of its July 2020 level (= 100).

Source: The Census Bureau

About this chart

The figures

Monrovia city, California's population grew 0.7% from July 2020 to July 2025, against +3.1% nationally. The July 1 estimate of Monrovia city, California's resident population and the nation's, each year of the Census Bureau's Vintage 2025, as a share of its July 2020 level (= 100).
July 1	Population	Index	United States
2020	37,991	100.0	100.0
2021	37,618	99.0	100.2
2022	37,217	98.0	100.7
2023	37,288	98.1	101.6
2024	37,816	99.5	102.5
2025	38,264	100.7	103.1

Population of Monrovia city, California on July 1 of each year, Vintage 2025
July 1	Population	Change
2020	37,991	—
2021	37,618	−373
2022	37,217	−401
2023	37,288	+71
2024	37,816	+528
2025	38,264	+448

Age, 2020–2024

The median age is 38.3 ±1.2: for men 36.8 ±1.6 and for women 39.5 ±2.1. Shares are of everyone the survey counts, in the Bureau’s sex-by-age table (B01001).

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People in Monrovia city by age, ACS 2020–2024
Age	People	Share	California	United States
Under 5	2,427 ±424	6.5% ±1.1	5.5% ±<0.1	5.6% ±<0.1
5 to 17	5,722 ±656	15.2% ±1.7	16.5% ±<0.1	16.3% ±<0.1
18 to 24	2,422 ±389	6.4% ±1.0	9.1% ±<0.1	9.1% ±<0.1
25 to 44	11,351 ±820	30.2% ±2.2	28.7% ±<0.1	26.9% ±<0.1
45 to 64	10,131 ±776	27.0% ±2.1	24.6% ±<0.1	24.8% ±<0.1
65 and over	5,518 ±511	14.7% ±1.4	15.7% ±<0.1	17.2% ±<0.1

Income and poverty, 2020–2024

Median household income is $96,021 ±$4,856, and income per person $48,568 ±$3,078, in 2024 dollars. The median is $99,122 ±$310 in California and $80,734 ±$166 in the United States.

Households by income

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Households in Monrovia city by income, ACS 2020–2024
Household income	Households	Share	California	United States
Under $25,000	1,553 ±286	11.0% ±2.0	12.5% ±0.1	14.6% ±<0.1
$25,000 to $49,999	2,008 ±371	14.2% ±2.6	13.3% ±0.1	16.7% ±<0.1
$50,000 to $74,999	1,793 ±341	12.6% ±2.4	13.0% ±0.1	15.5% ±<0.1
$75,000 to $99,999	2,144 ±345	15.1% ±2.4	11.6% ±0.1	12.6% ±<0.1
$100,000 to $149,999	2,515 ±322	17.7% ±2.2	17.8% ±0.1	17.5% ±<0.1
$150,000 to $199,999	1,776 ±328	12.5% ±2.3	11.3% ±0.1	9.6% ±<0.1
$200,000 or more	2,392 ±355	16.9% ±2.4	20.5% ±0.1	13.4% ±0.1

Poverty by age

The poverty rate is the share of people whose family income is below the federal threshold for their family’s size, of everyone for whom the Bureau determines it (B17020).

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Poverty rate in Monrovia city by age, ACS 2020–2024
Age	Below poverty	Rate	California	United States
All ages	3,862 ±1,031	10.3% ±2.8	12.0% ±0.1	12.5% ±0.1
Under 18	1,146 ±478	14.2% ±5.7	15.0% ±0.1	16.1% ±0.1
18 to 59	1,658 ±340	7.7% ±1.5	11.0% ±0.1	11.6% ±0.1
60 and over	1,058 ±270	13.6% ±3.3	11.5% ±0.1	11.0% ±<0.1

Housing, 2020–2024

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Housing in Monrovia city, ACS 2020–2024
Measure	Monrovia city	California	United States
Housing units	14,855 ±500	14,644,735 ±1,665	143,775,355 ±10,234
Occupied	95.5% ±4.5	92.5% ±0.1	89.9% ±0.1
Vacant	4.5% ±1.7	7.5% ±0.1	10.1% ±0.1
Owner occupied	46.3% ±3.4	55.9% ±0.3	65.2% ±0.3
Renter occupied	53.7% ±2.7	44.1% ±0.2	34.8% ±0.1
Median home value	$909,400 ±$25,157	$734,700 ±$1,307	$332,700 ±$236
Median gross rent	$2,114 ±$81	$2,036 ±$5	$1,413 ±$2
Median year built	1962 ±3	1976 ±1	1980 ±1

Occupied and vacant are shares of all housing units; owner and renter occupied are shares of occupied units. Value and rent are medians in 2024 dollars.

Origin and place of birth, 2020–2024

Hispanic or Latino origin is not a race in the Census Bureau’s tables. Here the people of Hispanic origin, of any race, are one row, and everyone else is counted by race alone (B03002), so the rows add to the whole.

Hispanic origin and race

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People in Monrovia city by Hispanic origin and race, ACS 2020–2024
Origin	People	Share	California	United States
Hispanic or Latino	16,989 ±1,248	45.2% ±3.3	40.2% ±<0.1	19.3% ±<0.1
White alone, not Hispanic	10,571 ±1,050	28.1% ±2.8	33.8% ±<0.1	57.4% ±<0.1
Black alone, not Hispanic	2,071 ±587	5.5% ±1.6	5.2% ±<0.1	11.9% ±<0.1
Asian alone, not Hispanic	5,871 ±752	15.6% ±2.0	15.3% ±<0.1	5.9% ±<0.1
American Indian and Alaska Native alone, not Hispanic	0 to 219	0% to 0.6%	0.3% ±<0.1	0.5% ±<0.1
Native Hawaiian and Other Pacific Islander alone, not Hispanic	0 to 345	0% to 0.9%	0.3% ±<0.1	0.2% ±<0.1
Some other race alone, not Hispanic	53 to 367	0.1% to 1.0%	0.6% ±<0.1	0.6% ±<0.1
Two or more races, not Hispanic	1,605 ±434	4.3% ±1.2	4.4% ±<0.1	4.3% ±<0.1

A range (the estimate less and plus its margin) where the Bureau's estimate is too uncertain to state as one number: a coefficient of variation over 30%.

Place of birth and citizenship

“Born a citizen outside the states” counts people born in Puerto Rico, the island areas, or abroad to American parents. Naturalized citizens and those who are not citizens together make up the people born abroad (B05002).

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People in Monrovia city by place of birth and citizenship, ACS 2020–2024
Born	People	Share	California	United States
Born in the state	22,028 ±884	58.6% ±2.4	56.5% ±0.1	57.3% ±<0.1
Born in another state	5,313 ±689	14.1% ±1.8	15.0% ±0.1	26.9% ±<0.1
Born a citizen outside the states	338 ±115	0.9% ±0.3	1.5% ±<0.1	1.7% ±<0.1
Born abroad	9,892 ±742	26.3% ±2.0	27.0% ±0.1	14.1% ±<0.1
Naturalized citizens	6,035 ±678	16.1% ±1.8	14.7% ±0.1	7.4% ±<0.1
Not citizens	3,857 ±658	10.3% ±1.8	12.3% ±0.1	6.8% ±<0.1

Monrovia city among the places of California

226th of 661 places of 5,000 or more by the survey’s 2020–2024 count. Every one is listed on the California page.

Places of California near Monrovia city in population, ACS 2020–2024
Place	ACS 2020–⁠2024
Calexico city	38,585 ±22
San Gabriel city	38,392 ±84
Bell Gardens city	38,229 ±40
Adelanto city	37,964 ±46
Montclair city	37,810 ±61
Monrovia city	37,571 ±63
Wildomar city	37,277 ±75
Pacifica city	37,261 ±56
La Puente city	37,142 ±60
Martinez city	36,903 ±41
Claremont city	36,595 ±55

Elsewhere on the site

Reported crime in Monrovia city, California

Rankings this appears in

No. 117 Places in California by poverty rate
No. 120 Places in California by median home value
No. 157 Places in California by foreign-born share
No. 157 Places in California by median rent
No. 190 Places in California by Hispanic or Latino share
No. 191 Places in California by per capita income

Sources

Census Bureau population estimates — incorporated places and New England towns — U.S. Census Bureau · U.S. Government work · retrieved September 25, 2026
American Community Survey 5-year estimates — table-based Summary File · U.S. Government work

Compiled automatically from Census Bureau population estimates — incorporated places and New England towns and American Community Survey 5-year estimates — table-based Summary File by a checked SQL query · Editor: Kian O'Connor · How this site is built

Data retrieved September 25, 2026