Island Population

2010–2026

449

2026 projection

4.7% since 2020 (increase)

0100200300400500201020122014201620182020202220242026

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 Island. Annual change is shown as a percentage. Growth is the total change since the preceding observation.
2026449+20.45%
2025447+30.68%
2024444+30.68%
202344100.00%
2022441+20.46%
2021439+102.33%
2020429-112.50%
2019440-20.45%
201844200.00%
2017442-71.56%

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

Island is growing faster than McLean County and Kentucky, and slower than the U.S.

  • United States+3.1%
  • Island+2.5%
  • Kentucky+2.2%
  • McLean County−0.8%

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.

Island Demographics

47median age

Median age

Female43.1 yrs
Male51.6 yrs

Adults

467
130 seniors (65+) · 28% of adults337 other adults

Sex

Female 54% · 311Male 46% · 265

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 6 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

Island Income

$54,375median household income

Median household income

$54,375

Half of households earn more, half earn less

Median earnings

$29,716

Typical yearly pay for a worker 25 or older.

Poverty rate

12%

About 1 in 8 residents

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

Island 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%58%53%
Never married26%28%24%
Divorced13%13%13%
Widowed6%<1%10%
Separated0%0%0%

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