Demographics in Rochester, IL

Population, age, race, ethnicity, and household statistics — 2023 ACS Data

Where is Rochester?

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Population

Source: U.S. Census Bureau ACS (2023)

Total Population

3,784

Male

1,823

48.2%

Female

1,961

51.8%

Median Age

39.2

Age Distribution

Source: U.S. Census Bureau ACS (2023)

Race & Ethnicity

Source: U.S. Census Bureau ACS (2023)

White

94.7%

Black

0.4%

Hispanic

1.7%

Asian

2.6%

Two or More

2.3%

Education & Household

Source: U.S. Census Bureau ACS (2023)

Bachelor's or Higher

33.6%

High School or Higher

49.2%

Foreign Born

0.9%

Veterans

6.7%

Married

50.0%

Avg Household Size

2.7

Marital Status by Age

Source: U.S. Census Bureau ACS (2023)

Rochester, IL has a population of 3,784 with a median age of 39.2. The racial makeup is 94.7% White, 1.7% Hispanic, 0.4% Black, 2.6% Asian. About 33.6% of residents hold a bachelor's degree or higher. The foreign-born population is 0.9%.