Cost of Living in St. Martinville, LA

Population 5,367 · Louisiana · Data vintage 2023

Cost Index
(100 = US avg)

Page updated: April 2026 · Data vintage: 2023 ACS 5-Year

Sources: Census ACS·BLS·NOAA·EPA·Zillow · Methodology

Household incomes in St. Martinville run well below national norms — a median of $33,132 versus the $74,580 US figure. Housing costs partially offset that gap (typical home values around $92,000). At 14.6%, the local unemployment rate runs well above the US figure, pointing to structural rather than cyclical labor-market issues.

Located 13 miles east of Lafayette, St. Martinville falls within that metro's commuting orbit. Median home values run roughly 64% lower than Lafayette's $251,000.

Cost Overview

Housing 30

Rent 59

Scale: 100 = US national average. Green < 90, Red > 110.

About the Cost of Living in St. Martinville

The median home value in St. Martinville is $91,700 — 70% below the national median of $305,000. Median rent runs $770/month, 41% lower than the national median of $1,314/month. The median household income of $33,132/year is 56% lower than the US median of $74,580. The local unemployment rate is 14.6%, above the national average of 4.8%. Louisiana's top state income tax rate is 4.3% and the combined sales tax is 9.5%. Overall, St. Martinville has a cost of living index of 41 versus the US average of 100, meaning it is 59% less expensive.

📍

St. Martinville has limited residential data

Detailed housing and income data is limited for this location. Here are the nearest cities with full cost of living data:

Broussard, LA

Median home: $301,000

Rent: $982/mo

Income: $116,613

New Iberia, LA

Median home: $150,300

Rent: $878/mo

Income: $50,802

Youngsville, LA

Median home: $263,200

Rent: $1,318/mo

Income: $113,164

Lafayette, LA

Median home: $251,300

Rent: $1,065/mo

Income: $61,454

Carencro, LA

Median home: $211,200

Rent: $924/mo

Income: $70,217

🏠 Housing

Median Home Value

$91,700

70% below avg

Zillow Home Value

$146,280

Zillow ZHVI

Median Rent

$770/mo

41% below avg

Price-to-Rent Ratio

9.9x

Favors buying

Property Tax Rate

0.6%

Effective rate

HUD Fair Market Rents by Bedroom

Studio

$731

1 BR

$816

2 BR

$988

3 BR

$1,280

4 BR

$1,513

Owner-occupied 54.5%

Renter-occupied 45.5%

💰 Estimated Monthly Budget

Rent median rent

$770

Groceries national estimate

$400

Utilities local estimate

$88

Transportation local gas prices

$126

Estimated Total $1,384/mo

Estimates based on median data and national averages. Actual costs vary.

🛒 Food & Groceries

National BLS average prices (2023). Local prices may vary.

🥚

Eggs (dozen)

$0.548

🍞

White Bread (lb)

$1.912

🥩

Ground Beef (lb)

$5.61

🚗 Transportation

Avg Commute

26.4 min

2% below avg

Gas Price

$3.145/gal

0% below avg

Work From Home

1.9%

Commute Mode

Drove alone

88.1%

Carpooled

2.3%

Public transit

0.7%

Walked

7.0%

Work from home

1.9%

⚡ Utilities

Electricity

$0.176/kWh

0% below avg

📋 Taxes

State Income Tax 4.3%

Total Sales Tax 9.5%

State rate 4.5%

Avg local rate 5.1%

Property Tax 0.6%

💼 Income & Employment

Median Household Income

$33,132

56% below avg

Per Capita Income

$28,442

Unemployment Rate

14.6%

204% above avg

Poverty Rate

24.3%

Labor Force Participation

54.6%

🎓 Education

Bachelor's degree+ 9.2%

Graduate degree 5.7%

👥 Demographics

Median Age 48.2

Male median age 54.1

Female median age 45.1

💨 Air Quality

EPA AQS 2023 — county-level monitoring data

Median AQI 37 — Good

86.8%

Good air days/yr

112

Max AQI recorded

PM2.5 days

364

Ozone days

Frequently Asked Questions

What is the cost of living in St. Martinville, LA?

St. Martinville has a cost index of 41 (100 = national average). It is 59% below the national average.

What is average rent in St. Martinville, LA?

The median gross rent in St. Martinville is $770 per month based on 2023 Census data.

What is the average home price in St. Martinville?

The median home value in St. Martinville is $91,700 according to Zillow and Census data.

What is the median income in St. Martinville?

The median household income in St. Martinville is $33,132 per year (2023 ACS 5-year estimates).

What is the sales tax in St. Martinville, LA?

The combined state and local sales tax rate in St. Martinville is 9.5%. The Louisiana state income tax top rate is 4.3%.

Is St. Martinville, LA affordable?

Yes, St. Martinville is generally considered affordable, with a cost of living index of 41 — about 59% below the US national average of 100.

St. Martinville at a Glance

Population: 5,367
Median Income: $33,132
Home Value: $91,700
Median Rent: $770/mo
Unemployment: 14.6%
Sales Tax: 9.5%

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