Collinsville Population

2010–2026

2,127

2026 projection

3.3% since 2020 (increase)

05001K1.5K2K2.5K201020122014201620182020202220242026

Source: U.S. Census Bureau decennial counts and annual estimates, including 2010–2020 intercensal 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.
20262,127+60.28%
20252,121+301.43%
20242,091+281.36%
20232,063+251.23%
20222,038-100.49%
20212,048-110.53%
20202,059+80.39%
20192,051+120.59%
20182,039+150.74%
20172,024+180.90%

Showing 10 of 17 years.

The 2020 row compares the April 1 Census count with the July 1, 2019 estimate (about nine months). Its Growth and Annual change therefore do not represent a full year.

Growth since 2020, compared

Collinsville is growing slower than DeKalb County, Alabama, and the U.S.

  • DeKalb County+3.4%
  • Alabama+3.2%
  • United States+3.1%
  • Collinsville+2.7%

Change from July 1, 2020 to July 1, 2025 population estimates—not annualized growth or site projections.

Source: U.S. Census Bureau. U.S. totals are summed from the 50 states and D.C.; unavailable comparisons are omitted.

Collinsville Demographics

49.1median age

Median age

Female54.2 yrs
Male37.3 yrs

Adults

1,338
395 seniors (65+) · 30% of adults943 other adults

Sex

Female 47.6% · 847Male 52.4% · 934

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 18 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

$31,652median household income

Median household income

$31,652

Half of households earn more, half earn less

Median earnings

$23,430

Typical yearly pay for a worker 25 or older.

Poverty rate

26%

About 1 in 4 residents

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

Collinsville Marital Status

43% of residents age 15 and older are married.

MarriedNever married
Overall
Male
Female
Marital status of residents age 15 and older
StatusOverallMaleFemale
Married43%43%43%
Never married33%45%20%
Divorced12%7%18%
Widowed10%3%16%
Separated3%2%3%

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