Collinsville Population

2010–2026

2,120

2026 projection

13.1% since 2020 (increase)

05001K1.5K2K2.5K201020122014201620182020202220242026

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 Collinsville. Annual change is shown as a percentage. Growth is the total change since the preceding observation.
20262,120+442.12%
20252,076+231.12%
20242,053+291.43%
20232,024-20.10%
20222,026+814.16%
20211,945+703.73%
20201,875-834.24%
20191,958+673.54%
20181,891+1005.58%
20171,791+623.59%

Showing 10 of 17 years.

Collinsville Demographics

35.4median age

Median age

Female36.8 yrs
Male35.2 yrs

Adults

1,477
234 seniors · 16%1,243 other adults

Sex

Female 47.6% · 981Male 52.4% · 1,079

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 21 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

Collinsville Income

$60,417median household income

Median household income

$60,417

Half of households earn more, half earn less

Median earnings

$45,625

Typical yearly pay for a worker 25 or older.

Poverty rate

11.5%

About 1 in 9 residents

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

Collinsville Marital Status

56% of residents age 15 and older are married.

MarriedNever married
Overall
Male
Female
Marital status of residents age 15 and older
StatusOverallMaleFemale
Married56%56%55%
Never married27%31%22%
Divorced10%12%7%
Widowed5%<1%10%
Separated3%0%6%

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