Average Rent in St. Mary Parish, LA↑ Rents rising 4.9% YoY

St. Mary Parish, LA has rental prices ranging from $762/month to $1,622/month in 2025, depending on unit size. The typical 1-bedroom apartment rents for $767/month — 45% below the national average of $1,400/month. With a median household income of $51,768/year, spending $767/month on a 1-bedroom represents 18% of gross income — within the recommended 30% threshold.

How St. Mary Parish Compares

With an average 2-bedroom rent of $1,006/month, St. Mary Parish ranks #10 most expensive of the 47 cities tracked in Louisiana — pricier than 65% of all US cities in our data.

The St. Mary Parish Rental Market

The St. Mary Parish, LA area has a population of about 48,455 and 30% of households renting rather than owning. That is close to the US average renter share of ~34%.

Rent Trends

2-bedroom rents in St. Mary Parish, LA have risen by $47/month (4.9%) over the past year, from $959 to $1,006. This modest growth is consistent with broader inflationary trends seen across US rental markets.

Affordability

To afford a 1-bedroom apartment in St. Mary Parish, LA without exceeding the 30% housing cost guideline, a renter needs an annual income of approximately $30,680. The local median household income of $51,768 exceeds that threshold by $21,088, making St. Mary Parish relatively accessible compared to local wages.

Economy & Jobs

St. Mary Parish, LA has an unemployment rate of 4.9%, 1.0 percentage point above the national average of 3.9%. A higher unemployment rate can moderate rental demand over time, which may help keep rent growth in check compared to tighter job markets.

Is St. Mary Parish, LA Affordable?

Income needed to rent or buy, price history, and how this city compares to nearby metros.

Rent or Buy in St. Mary Parish?

Break-even analysis and mortgage estimates based on local market data.

Living in St. Mary Parish

Cost of living, job market, crime rates, and moving cost estimates.