# St. Mary's, Maryland — #2,491 of 3,144 counties

> Liberty Moving composite score 5.55 of 10. FIPS 24037. Population 115,281. v4 — beta, 30 October 2026, sourced values.

About 115,300 people live in St. Mary's, Maryland. It ranks #2,491 of 3,144 counties for liberty, and #5 of 24 in Maryland. The combined sales tax is 6%, lower than in 62% of counties. Property tax takes about 0.77% of a home's value each year, more than in 52% of counties. Local government employs a smaller share of working residents than in 79% of counties. The homicide rate is higher than in 64% of counties. Life expectancy is about 77.4 years, longer than in 69% of counties. Air quality is better than in 74% of counties (a typical day's air quality index is 37), and flood and hurricane risk is higher than in 78% of counties. On this site's state scores, Maryland gets 6.52 of 10 for economic freedom, based on the Fraser Institute's ranking, and 1 of 10 for gun rights.

## Scores

| Factor | Level | Score (0–10) | Flag |
|---|---|---|---|
| Fraser Institute state ranking | state | 6.52 |  |
| 2A | state | 1.00 |  |
| Air quality | county | 6.34 |  |
| GOP + LP vote for President | county | 5.77 |  |
| Homicide rate | county | 7.76 |  |
| Sales tax | county | 4.55 |  |
| Property tax | county | 6.15 |  |
| Floods / hurricanes | county | 1.49 |  |
| Life expectancy | county | 7.40 |  |
| Government employees | county | 7.90 |  |
| Single-parent households | county | 4.96 |  |

"est" marks a derived or placeholder value with no published county figure.

## Neighbors

- #2967 Charles, Maryland — https://libertymoving.org/counties/24017.md
- #2552 Calvert, Maryland — https://libertymoving.org/counties/24009.md

## Links

- Page: https://libertymoving.org/counties/24037
- Compare: https://libertymoving.org/compare?a=24037
- Methodology: https://libertymoving.org/methodology
- Sources and terms: https://libertymoving.org/privacy