Rochester Population

2010–2026

113

2026 projection

0.9% since 2020 (decrease)

050100150200201020122014201620182020202220242026

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 Rochester. Annual change is shown as a percentage. Growth is the total change since the preceding observation.
202611300.00%
202511300.00%
202411300.00%
2023113+21.80%
202211100.00%
2021111-32.63%
2020114-43.39%
2019118-21.67%
2018120-54.00%
2017125-21.57%

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

Rochester is growing about as fast as Butler County, and slower than Kentucky and the U.S.

  • United States+3.1%
  • Kentucky+2.2%
  • Rochester+1.8%
  • Butler County+1.6%

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.

Rochester Demographics

41.3median age

Median age

Female38.4 yrs
Male43.5 yrs

Adults

113
17 seniors (65+) · 15% of adults96 other adults

Sex

Female 51% · 79Male 49% · 76

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 2 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

Rochester Income

$78,542median household income

Median household income

$78,542

Half of households earn more, half earn less

Median earnings

$52,500

Typical yearly pay for a worker 25 or older.

Poverty rate

13.6%

About 1 in 7 residents

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

Rochester 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%67%48%
Never married30%23%36%
Divorced6%10%2%
Widowed8%0%15%
Separated0%0%0%

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