Monrovia Population

1890–2026

38,220

2026 projection

0.6% since 2020 (increase)

010K20K30K40K1900192019401960198020002020

Source: U.S. Census Bureau decennial counts and annual estimates. 2026 is a projection. Values between recorded years are interpolated.

Use the left and right arrow keys to inspect population observations.

Population by year

Population estimates for Monrovia. Annual change is shown as a percentage. Growth is the total change since the preceding observation.
202638,220-440.11%
202538,264+4481.18%
202437,816+5281.42%
202337,288+710.19%
202237,217-4011.07%
202137,618-3730.98%
202037,991+5901.58%
201937,401-3350.89%
201837,736-2920.77%
201738,028+3370.89%

Showing 10 of 29 years.

Monrovia Demographics

38.3median age

Median age

Female39.5 yrs
Male36.8 yrs

Adults

29,422
5,518 seniors · 19%23,904 other adults

Sex

Female 50.8% · 19,095Male 49.2% · 18,476

Population by age

MaleFemale85+ years, male: 20885+ years, female: 42280–84 years, male: 20980–84 years, female: 35875–79 years, male: 39175–79 years, female: 54470–74 years, male: 55470–74 years, female: 78765–69 years, male: 1,03965–69 years, female: 1,00660–64 years, male: 1,13860–64 years, female: 1,19455–59 years, male: 1,52555–59 years, female: 1,43150–54 years, male: 1,20050–54 years, female: 1,18645–49 years, male: 1,22145–49 years, female: 1,23640–44 years, male: 1,04040–44 years, female: 1,27135–39 years, male: 1,35435–39 years, female: 1,67730–34 years, male: 1,60630–34 years, female: 1,90725–29 years, male: 1,08225–29 years, female: 1,41420–24 years, male: 1,15820–24 years, female: 59515–19 years, male: 1,10415–19 years, female: 87710–14 years, male: 1,35410–14 years, female: 1,1755–9 years, male: 9935–9 years, female: 8880–4 years, male: 1,3000–4 years, female: 1,12785+80–8475–7970–7465–6960–6455–5950–5445–4940–4435–3930–3425–2920–2415–1910–145–90–45005001K1K1.5K1.5K

Hover or tap an age group to see exact counts. Use the up and down arrow keys to inspect age groups.

U.S. Census Bureau, 2024 ACS 5-year estimates · Table S0101

Race and ethnicity

Tap a square or a group below to highlight it.

Each square is about 1% of residents (roughly 376 people).

Hispanic or Latino residents can be of any race. All other groups exclude Hispanic residents.

U.S. Census Bureau, 2024 ACS 5-year estimates · Table B03002

Monrovia Income

$96,021median household income

Median household income

$96,021

Half of households earn more, half earn less

Median earnings

$57,477

Typical yearly pay for a worker 25 or older.

Poverty rate

10.3%

About 1 in 10 residents

U.S. Census Bureau, 2024 ACS 5-year estimates · Tables S1901, S1501, S1701

Monrovia Marital Status

44% of residents age 15 and older are married.

MarriedNever married
Overall
Male
Female
Marital status of residents age 15 and older
StatusOverallMaleFemale
Married44%48%41%
Never married37%41%33%
Divorced11%8%15%
Widowed6%3%9%
Separated2%1%2%

U.S. Census Bureau, 2024 ACS 5-year estimates · Table S1201

Sources

10 sources, all from the U.S. Census Bureau

Population

American Community Survey, 2024 5-year