St. Joseph County, IN Demographics

The total population of St. Joseph County is estimated to be 272,388 with 133,435 males (48.99%) and 138,953 females (51.01%). There are 5,518 more females than males in St. Joseph County.
The median household income in St. Joseph County was $63,340 in 2021, which marked an an increase of 1,660(2.69%) from $61,680 in 2020. This income is 84.90% 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, St. Joseph County sees its highest median household income among householders in the age group of 45 to 64 years old, at $79,294. Overall, the median household income for the county of St. Joseph County stands at $60,627.
In St. Joseph County, the median income for all workers aged 15 years and older, regardless of work hours, was $41,255 for males and $27,133 for females. However, when specifically considering full-time, year-round workers within the same age group, the median income was $56,362 for males and $45,787 for females.
In St. Joseph County, the demographic landscape is diverse, spanning 6 distinct racial categories among households. Among these, White households have the highest median household income at $65,956, while Black or African American households represent the opposite end with the lowest median household income of $40,264.
In 2022, the population of St. Joseph County was 272,234, a 0.04% decrease year-by-year from 2021. Previously, in 2021, St. Joseph County's population was 272,341, a decline of 0.12% compared to a population of 272,672 in 2020.
The median age in St. Joseph County, IN is 36.8, as per 2021 ACS 5-Year Estimates. Of the total population, 19.57% were under the age of 15, 22.04% aged 15 to 29, 42.65% aged 30 to 64, 13.60% aged 65 to 84, and 2.14% were 85 years of age and older.
Racial distribution of St. Joseph County population: 75.31% are White, 12.74% are Black or African American, 0.32% are American Indian and Alaska Native, 2.53% are Asian, 0.05% are Native Hawaiian and other Pacific Islander, 2.63% are some other race and 6.42% are multiracial.