County crime profile · 2024 · mid-size county · property-led
St. Mary County (49,406 people) sits in the mid-size county band in Louisiana. This page opens with reported offense counts, then rates where a Census join exists.
Data updated 2026-09-05
St. Mary County, LA reported 180 violent crimes per 100,000 in FBI UCR 2024
According to the FBI Uniform Crime Reporting (UCR) Program for 2024, St. Mary County, LA agencies reported 89 violent and 433 property offenses. That equals about 180 violent and 876 property crimes per 100,000 using a verified Census population join. Table 10 coverage is a voluntary subset of U.S. counties.
2020–2024 direction
Across 5 comparable reporting years, the rate moved from 412.9 per 100,000 in 2020 to 180.1 in 2024 (-56.4%). The highest observed value was 412.9 in 2020 and the lowest 127.5 in 2023. Years whose submission failed the completeness test are left out of this comparison rather than plotted as change.
Position in the state cohort
At 180.1 reported violent offenses per 100,000 residents in 2024, St. Mary County ranks 36 of 52 — above 16 of the 51 other Louisiana counties whose 2024 submission passes this site’s completeness test and carries a matched Census denominator. That is -27.0% against the cohort median of 246.6. Counties that did not report, or that reported implausibly low totals, are excluded from this cohort rather than counted as low-crime.
Offense mix
Violent offenses are 17.0% of the 522 Part I offenses reported in St. Mary County for 2024, against a median of 22.9% across comparable Louisiana counties — a gap of 5.8 points. Offense mix is shaped by which agencies report and how incidents are classified as well as by the underlying offenses, so it describes the reported record rather than a settled difference in conditions.
Mid-size county rows still aggregate voluntary UCR submissions. Per-100,000 rates need a matched 2020 Census population; unmatched stay count-only. County-wide totals rarely describe any single town inside the line.
| Category | Count |
|---|---|
| Property Crime | 433 |
| Burglary | 109 |
| Larceny-Theft | 292 |
| Motor Vehicle Theft | 32 |
| Arson | 6 |
| Violent Crime | 89 |
| Murder | 2 |
| Rape | 12 |
| Robbery | 2 |
| Aggravated Assault | 73 |
A per-capita rate is easiest to read against places of similar scale, so these are the Louisiana counties closest to St. Mary County in population. Their populations run from 43,764 to 52,549, against 49,406 here. Or launch the side-by-side compare tool to benchmark two jurisdictions directly.
State atlas: Louisiana · Compare · Rankings
Source: FBI Uniform Crime Reporting (UCR) Program, Crime in the United States (CIUS) Table 10.
FBI Table 10 supplies county offense counts but no resident population. Where this page shows a per-100,000 rate, the denominator is a separately matched 2020 U.S. Census Bureau county population; unmatched county rows remain count-only. Statewide comparisons draw on the state UCR program. Verify with FBI.gov UCR and Census.gov QuickFacts.
Read our methodology , how this data is sourced, computed, and verified.
Put this to use
Use the St. Mary County, LA FBI UCR county record to open cities inside the county, compare the state file, or look up another place.
County Table 10 totals are voluntary agency filings: incomplete coverage is not a county crime measure, and a countywide figure is not a neighbourhood verdict.
Every figure on PlainCrime is rendered directly from FBI Uniform Crime Reporting (UCR) source data, no number is typed in by an editor. This page draws directly on FBI Uniform Crime Reporting source data, no figure is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error.