Rocky Hill Population

2010–2026

21,815

2026 projection

5.1% since 2020 (increase)

05K10K15K20K25K201020122014201620182020202220242026

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 Rocky Hill. Annual change is shown as a percentage. Growth is the total change since the preceding observation.
202621,815+2401.11%
202521,575+2401.12%
202421,335+5202.50%
202320,815+640.31%
202220,751+230.11%
202120,728-350.17%
202020,763+6553.26%
201920,108-670.33%
201820,175-90.04%
201720,184-420.21%

Showing 10 of 17 years.

Rocky Hill Demographics

43.2median age

Median age

Female45.1 yrs
Male41.9 yrs

Adults

17,363
4,739 seniors · 27%12,624 other adults

Sex

Female 51.6% · 10,782Male 48.4% · 10,098

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 209 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

Rocky Hill Income

$99,941median household income

Median household income

$99,941

Half of households earn more, half earn less

Median earnings

$69,141

Typical yearly pay for a worker 25 or older.

Poverty rate

4.8%

About 1 in 21 residents

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

Rocky Hill Marital Status

52% of residents age 15 and older are married.

MarriedNever married
Overall
Male
Female
Marital status of residents age 15 and older
StatusOverallMaleFemale
Married52%54%50%
Never married34%38%30%
Divorced6%7%6%
Widowed8%2%14%
Separated<1%<1%<1%

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