St. Tammany
Louisiana
266K
Population
$77K
Median Income
$285K
Median Home
R+44
Politics
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What stands out
If you had to describe St. Tammany Parish in numbers, start here: natural-hazard risk is in the top 2% of American counties (98 of 100), the average temperature is in the top 5% of American counties (70°F), and home internet speed is in the top 11% of American counties (281 Mbps). Within Louisiana it ranks 4th of 64 counties for natural-hazard risk.
Where you are
You live in St. Tammany Parish, Louisiana. 266,168 people live here with you. The population grew 0.9% last year, and more Americans moved in than out (net +1,264).
Louisiana moved to a flat 3% income tax in 2025 and has one of the highest combined sales-tax rates in the nation. The homestead exemption removes the first $75,000 of home value from property tax, which keeps property bills low. Hurricane and flood exposure drives insurance costs across the southern parishes, and several insurers have left the state since 2020.
Money
The typical household here brings in $76,914 a year, higher than 84% of American counties. Employers pay an average wage of $59,351. Unemployment runs 2.9%, lower than 67% of American counties. 11% of workers work from home.
Louisiana takes 3.0% of that median income in state income tax, about $2,307 a year.
Home
The median home costs $286K, pricier than 66% of American counties, about 2.9 years of the median household's income. A two-bedroom rents for around $1,183 a month. Property tax is 0.74% of home value, roughly $1,956 a year on that median home, lower than 60% of American counties. 79% of households own rather than rent.
Safety and health
Violent crime here is 3.5 per 1,000 residents, lower than 71% of American counties. Drug overdoses killed 32 people per 100,000 in 2024, one of the harder-hit counties in the country.
A child born here can expect to live 76.9 years, longer than 63% of American counties. There are 1,009 active physicians in the county, about 37.9 per 10,000 people. Medicare rates the local hospitals 3.0 of 5 stars. 8.2% of people under 65 have no health insurance.
School
91% of adults finished high school.
Neighbors and politics
In 2024 your neighbors voted Republican by 44 points, among the most lopsided counties in the country. 73% of eligible voters turned out. Under Louisiana law you can carry a concealed handgun without a permit, abortion is banned with narrow exceptions, and marijuana is medical only.
Weather and risk
The year averages 70°F, highs near 80 and lows near 59, warmer than 95% of American counties. About 48 inches of rain and snow fall a year. FEMA puts natural-hazard risk at 98 out of 100, riskier than 98% of American counties; the county has had 50 federal disaster declarations since 1953.
Getting around, going out
Home internet averages 281 Mbps down, faster than 89% of American counties. There are 6 airports in the county, counting general aviation. For a night or a weekend out: 0.9 full-service restaurants per 1,000 people, 2 breweries.
Written from the figures below. Percentiles compare this county with every other county that reports the same figure; missing figures are left out rather than guessed.
Economy
Housing
Sources: Zillow ZHVI · Census ACS 2022 · Tax Foundation 2023 (effective rates)
Annual tax on median home: $1,956
Affordability & Supply
Market Activity
Sources: Zillow Research monthly · Redfin
Source: Zillow Research · Updated monthly
Sale-to-List Cross-Reference
Zillow 96.5% · Redfin 97.1%
Source: Redfin · Updated monthly
Health
Education
Safety
Climate & Air Quality
Outdoor & Recreation
Brewery Scene
Internet & Remote Work
EV Infrastructure
Commute & Transit
Families & Childcare
Civic & Community
Lifestyle & Services
Debt Burden
Innovation
Politics
R+44
2024 Presidential · Louisiana was R+20 statewide
vs Louisiana State
Population & Migration
Net Domestic Migration 2023
↑ +1K
More people arriving than leaving
IRS Wealth Migration
Lower-income migration pattern (IRS: 0.82x avg income)
Economic Mobility
42%
chance a low-income child reaches the middle class
Source: Opportunity Insights
Real Estate
Find Homes in St. Tammany County
Median home value: $286K
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Full Louisiana profile
Taxes, cost of living, crime, schools, gun laws and more.
Data: Census ACS, BLS, Zillow, USDA Natural Amenities, OpenElections 2024, CMS, NCES. Vintage 2022–2025. News via Google News.