Monticello Population

1880–2026

15,916

2026 projection

9.8% since 2020 (increase)

05K10K15K20K18801900192019401960198020002020

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 Monticello. Annual change is shown as a percentage. Growth is the total change since the preceding observation.
202615,916+2461.57%
202515,670+1941.25%
202415,476+5964.01%
202314,880+350.24%
202214,845+2181.49%
202114,627+1380.95%
202014,489+6404.62%
201913,849+970.71%
201813,752+1651.21%
201713,587+1591.18%

Showing 10 of 30 years.

Monticello Demographics

34.1median age

Median age

Female34.1 yrs
Male34.1 yrs

Adults

10,940
1,602 seniors · 15%9,338 other adults

Sex

Female 50.7% · 7,534Male 49.3% · 7,324

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 149 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

Monticello Income

$79,534median household income

Median household income

$79,534

Half of households earn more, half earn less

Median earnings

$50,965

Typical yearly pay for a worker 25 or older.

Poverty rate

6.8%

About 1 in 15 residents

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

Monticello Marital Status

50% of residents age 15 and older are married.

MarriedNever married
Overall
Male
Female
Marital status of residents age 15 and older
StatusOverallMaleFemale
Married50%51%48%
Never married34%40%28%
Divorced11%6%16%
Widowed4%2%7%
Separated<1%<1%<1%

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