Map the Block › Places › Louisiana › St. Mary Parish
St. Mary Parish, Louisiana: crime rate, income and local data
St. Mary Parish averaged 5.6 reported violent crimes per 1,000 residents a year in 2021-2025, close to the Louisiana rate (5.8). Households here have a median income of $52,576 and the unemployment rate was 4.3% in August 2026. Population: about 47,828 (Census, 2020-2024).
Last updated . Crime: FBI 2021-2025. Income and housing: Census ACS 2020-2024. Unemployment: BLS August 2026. Road work: October 11, 2026.
Also on the map: income · hazard risk · Superfund · dams
What is the crime rate in St. Mary Parish?
Over 2021-2025, the county's police agencies sent the FBI reports of about 221 violent and 802 property crimes per year. That is 5.6 violent crimes per 1,000 residents, close to the Louisiana rate (5.8), and 52% higher than the U.S. rate (3.7). Burglary, theft and car theft together come to 20.2 per 1,000 residents, compared with 24.4 across Louisiana. Most violent crimes here are aggravated assaults (85%). CDC death records show about 6 homicide deaths a year in the county (11.5 per 100,000), a count that includes cases police may classify differently.
| Offense (yearly average, 2021-2025) | St. Mary Parish | Per 1,000 | Louisiana per 1,000 | U.S. per 1,000 |
|---|---|---|---|---|
| Violent crime | 221 | 5.6 | 5.8 | 3.7 |
| Murder | 4 | 0.10 | 0.14 | 0.06 |
| Rape | 19 | 0.48 | 0.41 | 0.40 |
| Robbery | 10 | 0.25 | 0.51 | 0.62 |
| Aggravated assault | 188 | 4.8 | 4.7 | 2.6 |
| Property crime | 802 | 20.2 | 24.4 | 18.1 |
| Burglary | 193 | 4.9 | 4.3 | 2.4 |
| Larceny-theft | 555 | 14.1 | 17.2 | 13.0 |
| Motor vehicle theft | 55 | 1.4 | 2.8 | 2.6 |
Most crime never reaches the police, so these are reported crimes, a floor rather than the full count. In 2024 about half of violent crimes (48%) and about 3 in 10 property crimes (31%) were reported to police (U.S. Justice Department, National Crime Victimization Survey). Rates also depend on how completely each agency reports to the FBI. County figures add up the city police and sheriff reports in the county (5 agencies; 82% of residents covered).
What is the median household income in St. Mary Parish?
The median household in St. Mary Parish earns $52,576 a year, 13% lower than the Louisiana median ($60,756). Owner-occupied homes have a median value of $138,900, and the median rent is $848 a month. 22.8% of households received SNAP benefits in the past year (state: 17.3%). The newest monthly figure from the Bureau of Labor Statistics is 4.3% for August 2026 (preliminary), with 796 people out of work and looking.
| Census ACS 2020-2024 | St. Mary Parish | Louisiana | United States |
|---|---|---|---|
| Population | 47,828 | 4,611,961 | 334,922,499 |
| Median household income | $52,576 | $60,756 | $80,734 |
| Median home value (owner-occupied) | $138,900 | $216,500 | $332,700 |
| Median gross rent | $848 | $1,064 | $1,413 |
| Unemployment rate (2020-2024 average) | 5.4% | 6.3% | 5.2% |
| People below the poverty line | 20.8% | 18.9% | 12.5% |
| Households receiving SNAP (food stamps) | 22.8% | 17.3% | 12.1% |
| Adults 25+ with a bachelor's degree or higher | 13.6% | 27.0% | 35.7% |
| Homeowner households | 68.6% | 67.4% | 65.2% |
| Median age | 39.7 | 38.0 | 38.9 |
| Households with broadband internet | 87.4% | 86.6% | 91.0% |
| People without health insurance | 8.5% | 7.8% | 8.4% |
What natural hazards and environmental sites are in St. Mary Parish?
FEMA's National Risk Index rates the overall natural-hazard risk for St. Mary Parish as “Relatively Moderate”. Of the seven hazards on our map, FEMA rates these highest: hurricanes (Relatively High) and coastal flooding (Relatively High). The index compares counties with each other and also weighs how vulnerable and resilient a community is, so it is a long-run estimate, not a forecast.
Superfund sites
EPA lists no Superfund site in St. Mary Parish, active or completed (October 2026).
Industrial chemical releases
14 facilities in the county filed Toxics Release Inventory reports for 2024, together reporting 918,802 pounds of listed chemicals released on site. Reported releases are legal permitted amounts in most cases.
Disasters, air and water
St. Mary Parish was covered by 9 federal major disaster declarations from 2016 through 2025 (Hurricane 7, Severe Ice Storm 1, Flood 1), not counting COVID-19. Of 12 community water systems, 1 had an open health-based drinking-water violation in EPA's records (September 2026). EPA puts the county in radon zone 3 (low). NHTSA counted 7 traffic deaths in the county in 2024, including 1 pedestrian.
Is there road construction in St. Mary Parish?
St. Mary Parish had 2 highway work zones in the October 11, 2026 feed from the state DOT (1 active that day). Roads listed: US 90. The map's construction layer is refreshed every morning.
See today's work zones on the map →
How many schools, nursing homes and parks are in St. Mary Parish?
St. Mary Parish has 23 public schools (2024-25) and 3 private schools (2023-24) in federal school lists. 3 nursing homes are certified by Medicare or Medicaid here; star ratings for each are on the map and on Medicare's Care Compare. USGS mapping shows 17 fire or EMS stations and 9 police or sheriff stations.
What tribal lands and sacred sites are in St. Mary Parish?
Census tribal areas that reach into St. Mary Parish: United Houma Nation SDTSA and Chitimacha Reservation.
Tribal areas are Census statistical boundaries, shown for reference; they are not legal boundaries.
See them on the map: tribal lands →
Gun shops, liquor stores and Planned Parenthood in St. Mary Parish
Gun shops
5 gun shops with a public storefront are on the map in St. Mary Parish, plus 9 more licensed dealers without a public storefront (not shown). On the ATF list: Bayou Teche Firearms LLC (Morgan City), Control Fire & Safety LLC (Morgan City), Savoie's Coatings LLC (Cypremort Point), Southland Firearms LLC (Morgan City) and Tiger Island Hardware LLC (Morgan City).
Liquor stores
One liquor store is on the map in St. Mary Parish: Liquor Factory (Patterson). Louisiana has no complete public liquor licence list we can use, so this count also draws on OpenStreetMap and Overture Maps and may miss some stores or include closed ones.
Planned Parenthood
There is no Planned Parenthood health center in St. Mary Parish on the map.
See them on the map: gun shops · liquor stores →
Sources: ATF licensee list (Sept 2026); state liquor licence lists, OpenStreetMap and Overture Maps (non-official; partial in some states); HHS Title X directory and CMS NPPES.
Common questions
What is the crime rate in St. Mary Parish?
St. Mary Parish averaged 221 reported violent crimes a year in 2021-2025, or 5.6 per 1,000 residents, close to the Louisiana rate (5.8). The property-crime rate was 20.2 per 1,000 (FBI Uniform Crime Reporting).
What is the median household income in St. Mary Parish?
$52,576 (Census American Community Survey, 2020-2024 average), compared with $60,756 for Louisiana and $80,734 nationally.
What is the unemployment rate in St. Mary Parish?
The newest monthly figure from the Bureau of Labor Statistics is 4.3% for August 2026 (preliminary), with 796 people out of work and looking.
What natural hazards affect St. Mary Parish?
FEMA's National Risk Index rates the overall natural-hazard risk for St. Mary Parish as “Relatively Moderate”. Of the seven hazards on our map, FEMA rates these highest: hurricanes (Relatively High) and coastal flooding (Relatively High).
Is there road construction in St. Mary Parish right now?
St. Mary Parish had 2 highway work zones in the October 11, 2026 feed from the state DOT (1 active that day). Roads listed: US 90.
How many nursing homes are in St. Mary Parish?
3 Medicare- or Medicaid-certified nursing homes (CMS provider data, September 2026).
How does St. Mary Parish compare with neighboring counties?
| County | Population | Violent crimes per 1,000 (2021-25) | Median household income |
|---|---|---|---|
| Assumption Parish | 20,484 | – | $51,423 |
| Iberia Parish | 68,599 | 7.0 | $56,961 |
| St. Martin Parish | 51,353 | 4.2 | $55,960 |
| Terrebonne Parish | 106,186 | 4.6 | $64,836 |
More: Louisiana statewide numbers · Sex-offender registry search (U.S. Justice Department, NSOPW)
Where do these numbers come from?
- Crime: FBI Uniform Crime Reporting 2021-2025 (agency level, Return A), averaged and summed by county by Map the Block; Census population; state and national rates: FBI estimated crimes 2021-2025.
- Income, housing, education: U.S. Census Bureau, American Community Survey 2020-2024 5-year, table B19013 (median household income) and related tables.
- Monthly unemployment: U.S. Bureau of Labor Statistics, Local Area Unemployment Statistics (LAUS), county data, not seasonally adjusted. Public domain.
- Hazards: FEMA National Risk Index v1.20 (December 2025), county scores; disasters: FEMA OpenFEMA Disaster Declarations Summaries.
- Superfund: U.S. EPA, Superfund site boundaries and NPL status (October 2026). Dams: U.S. Army Corps of Engineers, National Inventory of Dams (public map service, October 2026). Chemical releases: U.S. EPA Toxics Release Inventory, reporting year 2024 (basic data file).
- Air and water: U.S. EPA AirData, annual AQI by county 2024; EPA Air Quality Design Values 2023-2025 (June 2026); U.S. EPA SDWIS via ECHO drinking-water download (September 30, 2026). Traffic deaths: NHTSA Fatality Analysis Reporting System (FARS) 2024; Census population.
- Work zones: State departments of transportation, via the U.S. DOT Work Zone Data Exchange (WZDx) and state 511 feeds; refreshed every morning (snapshot October 11, 2026).
- Schools: National Center for Education Statistics, EDGE public school locations 2024-25; budgets: U.S. Census Bureau, Annual Survey of School System Finances, fiscal year 2024; National Center for Education Statistics, EDGE Private School geocodes (Private School Survey 2023-24). Nursing homes: U.S. Centers for Medicare & Medicaid Services, Nursing Home Provider Information and Penalties (September 2026). Stations: U.S. Geological Survey, National Structures Dataset (Fire Stations/EMS Stations), October 2026 pull.
- Parks: USGS Protected Areas Database of the U.S. (PAD-US 4.1); state park agencies' open data (CA, NY, PA, TN, TX, FL, NJ, KY, HI, UT, MT and others); OpenStreetMap contributors for some hours, phones, fees and camping; U.S. National Park Service: unit boundaries (Land Resources Division), Acreage Report (Sept 30, 2026), park pages on nps.gov (hours, fees), Visitor Use Statistics (2025).
Map the Block shows public statistics about places, not people, and does not rate or rank neighborhoods as places to live. Figures are as published by each source; check the source before relying on a number.
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