Rock Island Population

2010–2026

764

2026 projection

6.1% since 2020 (increase)

0200400600800201020122014201620182020202220242026

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 Rock Island. Annual change is shown as a percentage. Growth is the total change since the preceding observation.
2026764+70.92%
2025757+70.93%
2024750+50.67%
2023745+81.09%
2022737+81.10%
2021729+91.25%
2020720+7311.28%
2019647-30.46%
2018650+30.46%
2017647-20.31%

Showing 10 of 17 years.

Rock Island Demographics

42.9median age

Median age

Female50.4 yrs
Male38.4 yrs

Adults

541
133 seniors · 25%408 other adults

Sex

Female 51.5% · 352Male 48.5% · 332

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 7 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

Rock Island Income

$45,114median household income

Median household income

$45,114

Half of households earn more, half earn less

Median earnings

$44,688

Typical yearly pay for a worker 25 or older.

Poverty rate

28.1%

About 1 in 4 residents

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

Rock Island Marital Status

57% of residents age 15 and older are married.

MarriedNever married
Overall
Male
Female
Marital status of residents age 15 and older
StatusOverallMaleFemale
Married57%56%57%
Never married22%31%15%
Divorced11%9%13%
Widowed9%5%13%
Separated1%0%2%

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