Mercer County, PA Demographics

The total population of Mercer County is estimated to be 110,600 with 54,917 males (49.65%) and 55,683 females (50.35%). There are 766 more females than males in Mercer County.
The median household income in Mercer County was $57,083 in 2021, which marked an a decrease of 173(0.30%) from $57,256 in 2020. This income is 76.51% of the U.S. median household income of $74,606 (all incomes in 2022 inflation-adjusted dollars).
Per the latest American Community Survey by the Census Bureau, Mercer County sees its highest median household income among householders in the age group of 25 to 44 years old, at $73,604. Overall, the median household income for the county of Mercer County stands at $57,618.
In Mercer County, the median income for all workers aged 15 years and older, regardless of work hours, was $37,272 for males and $25,288 for females. However, when specifically considering full-time, year-round workers within the same age group, the median income was $57,059 for males and $43,464 for females.
In Mercer County, there are just three different racial groups among households. Among these, Two or More Races households report a median household income of $64,644, followed by White households at $60,324, and Black or African American households with a median household income of $31,925.
In 2022, the population of Mercer County was 109,220, a 0.66% decrease year-by-year from 2021. Previously, in 2021, Mercer County's population was 109,950, a decline of 0.53% compared to a population of 110,534 in 2020.
The median age in Mercer County, PA is 44.8, as per 2021 ACS 5-Year Estimates. Of the total population, 15.45% were under the age of 15, 18.75% aged 15 to 29, 44.11% aged 30 to 64, 18.16% aged 65 to 84, and 3.52% were 85 years of age and older.
Racial distribution of Mercer County population: 89.90% are White, 6% are Black or African American, 0.11% are American Indian and Alaska Native, 0.60% are Asian, 0.02% are Native Hawaiian and other Pacific Islander, 0.54% are some other race and 2.82% are multiracial.