St. Tammany Parish, LA Demographics

The total population of St. Tammany Parish is estimated to be 266,168 with 130,486 males (49.02%) and 135,682 females (50.98%). There are 5,196 more females than males in St. Tammany Parish.
The median household income in St. Tammany Parish was $76,730 in 2021, which marked an a decrease of 3,417(4.26%) from $80,147 in 2020. This income is 102.85% 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. Tammany Parish sees its highest median household income among householders in the age group of 45 to 64 years old, at $94,615. Overall, the median household income for the county of St. Tammany Parish stands at $76,269.
In St. Tammany Parish, the median income for all workers aged 15 years and older, regardless of work hours, was $46,134 for males and $29,345 for females. However, when specifically considering full-time, year-round workers within the same age group, the median income was $70,207 for males and $52,482 for females.
In St. Tammany Parish, the demographic landscape is diverse, spanning 5 distinct racial categories among households. Among these, Asian households have the highest median household income at $92,042, while Black or African American households represent the opposite end with the lowest median household income of $55,557.
In 2022, the population of St. Tammany Parish was 273,263, a 1.18% increase year-by-year from 2021. Previously, in 2021, St. Tammany Parish's population was 270,087, an increase of 1.93% compared to a population of 264,986 in 2020.
The median age in St. Tammany Parish, LA is 40.4, as per 2021 ACS 5-Year Estimates. Of the total population, 19.57% were under the age of 15, 17.32% aged 15 to 29, 46.04% aged 30 to 64, 15.30% aged 65 to 84, and 1.77% were 85 years of age and older.
Racial distribution of St. Tammany Parish population: 79.70% are White, 11.88% are Black or African American, 0.74% are American Indian and Alaska Native, 1.44% are Asian, 0.23% are Native Hawaiian and other Pacific Islander, 1.32% are some other race and 4.69% are multiracial.