St. Tammany Parish, LA Population

Overview

262,799

Total Population

40.4

Median age

51.14%

Female population %

95.6:100

Gender ratio (M:F)

10-14 years

Largest age group

57.8

Total dependency ratio

White

Largest racial group

15,533

Hispanic population

Sources: U.S. Census Bureau, American Community Survey (ACS) 2021

TABLE OF CONTENTS

Age

St. Tammany Parish's population is old compared to the rest of the country:

The median age in St. Tammany Parish is 40.4, compared to 38.8 nationwide, according to the American Community Survey 2017 - 2021 5 Year estimates.
St. Tammany Parish's population under 18 was 24.02%, compared to the 22.51% nationwide.
St. Tammany Parish's elderly or the senior population (over 65 age) was 17.07% as compared to 16.04% nationwide.
Of the total population in St. Tammany Parish, 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.

There are 5,977 more females than males in St. Tammany Parish:

The female percentage in the USA is 50.50% while the male percentage is 49.50%, compared to 51.14% females and 48.86% males in St. Tammany Parish, LA.
The St. Tammany Parish, LA gender ratio is 95.6:100 i.e. 95.6 men to 100 women (0.956).
For male population, the largest age group is 10-14 years with a population of 10,461.
For the female population, the largest age group is 60-64 years with a population of 10,038.

St. Tammany Parish's population has become increasingly diverse:

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.
St. Tammany Parish's racial breakdown clearly shows that there is an absolute majority of White population in the county.
By ethnicity, 15,533 is Hispanic or Latino (of any race), and 247,266 (94.09% of the total population) is Non-Hispanic.
The largest racial group in St. Tammany Parish is White with a population of 209,458 (79.70% of the total population).

St. Tammany Parish's population has not reached its peak yet and is showing a trend of further growth:

The peak population was 273,263 in the year 2022
From 2000 to 2010, St. Tammany Parish's population increased by 42,369 (22.04%), as compared to the national growth of 9.63%.
From 2010 to 2020, St. Tammany Parish's population increased by 30,422 (12.97%), according to Census Bureau's Population Estimates Program. For the same period, the rate of growth for the United States was 7.17%.
Between the year 2000 and 2022, St. Tammany Parish's population was lowest in year 2000 at 192,195.