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The total population of St. Marys County is estimated to be 113,814 with 57,408 males (50.44%) and 56,406 females (49.56%). There are 1,002 less females than males in St. Marys County.
The median household income in St. Marys County was $111,182 in 2021, which marked an an increase of 2,555(2.35%) from $108,627 in 2020. This income is 149.03% of the U.S. median household income of $74,606 (all incomes in 2022 inflation-adjusted dollars).
In St. Marys County, the median income for all workers aged 15 years and older, regardless of work hours, was $73,013 for males and $44,082 for females. However, when specifically considering full-time, year-round workers within the same age group, the median income was $91,566 for males and $67,677 for females.
In St. Marys County, the demographic landscape is diverse, spanning 4 distinct racial categories among households. Among these, White households have the highest median household income at $123,209, while Some Other Race households represent the opposite end with the lowest median household income of $71,784.
In 2022, the population of St. Marys County was 114,877, a 0.19% increase year-by-year from 2021. Previously, in 2021, St. Marys County's population was 114,664, an increase of 0.59% compared to a population of 113,987 in 2020.
The median age in St. Marys County, MD is 36.7, as per 2021 ACS 5-Year Estimates. Of the total population, 20.04% were under the age of 15, 20.35% aged 15 to 29, 46.77% aged 30 to 64, 11.42% aged 65 to 84, and 1.42% were 85 years of age and older.
Racial distribution of St. Marys County population: 75.18% are White, 14.11% are Black or African American, 0.05% are American Indian and Alaska Native, 2.50% are Asian, 0.02% are Native Hawaiian and other Pacific Islander, 1.39% are some other race and 6.76% are multiracial.