St. Martinville, LA demographics:
population, income, and more

Total population
5,297
-1.3% year-over-year change
Median household income
$36,130/yr
9.1% year-over-year change
Housing units
3,466
4.3% year-over-year change

St. Martinville population

How many people live in St. Martinville

St. Martinville is home to 5,297 residents, according to the most recent Census data. Gender-wise, 45.4% of St. Martinville locals are male, and 54.6% are female.

Total population
5,297
-1.3% year-over-year change
Gender ratio
Male
45.4%
2,405
Female
54.6%
2,892
Value Percent YoY change
Male 2,405 45.4% 0.2%
Female 2,892 54.6% -2.5%
A higher population often means more rental variety and livelier areas. The gender balance—how many men live here compared to women—can reveal a lot about the community and the lifestyles of its residents. Use this info to get a sense of the area's pace and personality.

Age demographics

The median age in St. Martinville is 49, with the population distributed as follows: about 9.2% are children under 15, then 11.2% are in the 15 to 24 age group. Adults between 25 and 44 make up 25.7% of the population, while another 25.1% fall into the 45 to 64 bracket. Finally, around 28.8% are 65 or older.

Median age
49.4
Age breakdown
Under 15
9.2%
15 to 24
11.2%
25 to 44
25.7%
45 to 64
25.1%
Over 65
28.8%
Value Percent YoY change
Under 15 489 9.2% -24.3%
15 to 24 594 11.2% -2.8%
25 to 44 1,360 25.7% 6.2%
45 to 64 1,330 25.1% -8.0%
Over 65 1,524 28.8% 10.0%
The age composition helps you get insight into who lives in the area. A younger population might mean a more active, fast-paced vibe, while an older one could suggest a quieter, slower lifestyle. If there's a balanced makeup, you’re likely to find a variety of services, housing types, and community spaces that cater to different life stages.

Racial makeup

In St. Martinville, 97.1% of the population are US-born citizens, while 1.9% have gained naturalized citizenship. At the same time, 1% of residents are non-citizens. As for race, 45.2% of locals are Caucasian, 48.9% are African American and 0.4% have Asian roots. There’s also a share of 4.3% that includes residents with two or more races.

Citizenship
U.S.-born citizens
97.1%
Non-U.S.-born citizens
1.9%
Non-citizens
1%
Value Percent YoY change
U.S.-born citizens 5,145 97.1% -3.0%
Non-U.S.-born citizens 100 1.9% 150.0%
Non-citizens 52 1% 136.4%
Racial breakdown
White
45.2%
Black or African American
48.9%
American Indian and Alaska Native
0%
Asian
0.4%
Native Hawaiian and other Pacific Islander
0%
Two or more races
4.3%
Other
1.2%
Value Percent
White 2,396 45.2%
Black or African American 2,588 48.9%
Asian 22 0.4%
Two or more races 229 4.3%
Other 62 1.2%

Households in St. Martinville

A peek inside St. Martinville households

St. Martinville has 2,848 households, with an average of 2 members in each. Of these, 52.8% are families, while the remaining 47.2% are made up of individuals living alone or with non-relatives, such as roommates.

Households stats

Total households
2,848
4.1% year-over-year change
Average people per household
2
Non-family households
1,343
Family households
1,505
Value Percent YoY change
Non-family households 1,343 47.2% -5.9%
Family households 1,505 52.8% 15.1%
The mix between family and non-family households gives a glimpse into daily life. A higher percentage of families might mean more parks and schools, while more non-family setups can mean flexible housing and diverse living styles. For renters, this can signal what kinds of homes are common and can help you figure out if the area matches your lifestyle.

Housing in St. Martinville

The housing landscape of St. Martinville

St. Martinville's housing consists of 3,466 units, with 76.7% being detached single-family homes ideal for those wanting space. Attached options, including duplexes and townhouses, make up 0.8% and offer a more compact, shared living style. Then there are the multifamily buildings in the area, and for those seeking flexibility, non-traditional options like mobile homes account for 10.2% of the housing landscape.

Housing units
3,466
4.3% year-over-year change
Housing types
Value Percent
1 unit, detached 2,658 76.7%
1 unit, attached 29 0.8%
2 units 131 3.8%
3 or 4 units 164 4.7%
5 to 9 units 55 1.6%
50 or more units 74 2.1%
Mobile home 355 10.2%
Homes built since 2020
127
41.1% year-over-year change

The age of buildings in St. Martinville

In St. Martinville, the median construction year is 1969. About 6.1% of homes were built before the 1940s, with another 15.6% going up by 1949. Most development happened in the second half of the 20th century. Then, 5.5% of homes were added from 2000 to 2009, 4% between 2010 and 2019, and 3.7% are part of the newest wave of development.

Construction year breakdown by decade
Value Percent YoY change
Built in 1939 or earlier 210 6.1% 10.5%
Built between 1940 and 1949 542 15.6% 18.6%
Built between 1950 and 1959 519 15% -1.5%
Built between 1960 and 1969 508 14.7% -22.6%
Built between 1970 and 1979 430 12.4% -23.4%
Built between 1980 and 1989 517 14.9% 36.0%
Built between 1990 and 1999 284 8.2% 15.4%
Built between 2000 and 2009 191 5.5% 29.1%
Built between 2010 and 2019 138 4% 102.9%
Built in 2020 or later 127 3.7% 41.1%
As a renter, knowing when homes were built helps you understand the potential condition and design of rental units. Newer builds may have more contemporary layouts, while older homes can offer character or larger lots, depending on the area.

St. Martinville occupancy rates

Out of the 2,848 occupied housing units in St. Martinville, 56.8% are owner-occupied, while 43.2% are lived in by tenants. Meanwhile, 17.8% of all homes on the local market sit vacant.

Occupied housing units
2,848
4.1% year-over-year change
Occupancy breakdown
Renter occupied
1,229
Owner occupied
1,619
Value Percent YoY
change
Renter occupied 1,229 43.2% -1.2%
Owner occupied 1,619 56.8% 8.6%
Unoccupied housing units
17.8%
Unoccupied housing units refer to homes that are currently without residents—whether they're waiting for renters or owners, used seasonally, or simply unclaimed. A higher share of empty homes may mean more housing availability, while a low number can reflect a tighter market with more competition. This, along with the renter-vs.-owner mix, helps paint a clearer picture of what types of housing and services are likely to be available in the area.

St. Martinville housing costs

Housing costs in St. Martinville come to a median of $610 per month, while tenants specifically pay a median gross rent of $765.

Median housing costs per month
$610/month
This figure sums up typical monthly housing costs for all households in the area. If you own, it includes mortgage payments in addition to property taxes, insurance and HOA fees. If you rent, it accounts for rent plus extras like utilities. It’s useful for seeing how local living expenses stack up compared to other places.
Median gross rent in St. Martinville
$765/month
Gross rent gives a more complete look at what renters actually pay, including not just base rent, but also utilities and fees. It’s a key number for evaluating rental affordability in your area of interest and understanding how it compares to nearby locations.

Education in St. Martinville

St. Martinville education at a glance

About 56.6% of the population in St. Martinville went to high school, while 13.5% pursued college studies. Another 4.5% earned an associate degree and 11.9% hold a bachelor’s. Meanwhile, 5.5% went even further, earning a master’s or doctorate.

Education level
Value Percent YoY change
No high school 374 8% 25.5%
High school diploma 2,647 56.6% -3.1%
College diploma 630 13.5% -2.9%
Associate degree 211 4.5% -11.7%
Bachelor's degree 556 11.9% 30.2%
Graduate degree 258 5.5% 7.0%
A community’s education mix can offer insights into the local economy and housing market. Higher levels of education often align with more job opportunities and stable incomes, which can increase demand for homes and influence both rent prices and rental availability.

Income in St. Martinville

How much people earn in St. Martinville

The average annual household income in St. Martinville was $55,944 in 2024, the most recent annual data available, according to the U.S. Census Bureau. This marked a +4% change from the previous year. At the same time, the median income stood at $36,130, reflecting a +9% shift over the same period.

Average household income in St. Martinville
$55,944/year
4.0% year-over-year change
Median household income in St. Martinville
$36,130/year
9.1% year-over-year change

St. Martinville income by age

In St. Martinville, households led by residents aged 25 to 44 — usually in the early to mid stages of their careers — have a median income of $73,560. Those with someone between 45 and 64 in charge, often well established professionally, earn $36,113 overall. Overall, 77.5% of the locals in this community live above the poverty line.

Income breakdown by age
Value YoY change
25 - 44 $73,560 N/A
45 - 64 $36,113 6.5%
Over 65 $23,611 -18.6%
Above poverty level
4,003
Below poverty level
1,163
Value Percent YoY
change
Above poverty level 4,003 77.5% 1.6%
Below poverty level 1,163 22.5% -8.7%

Average renter income in St. Martinville

To get a better sense of what renters earn on average in St. Martinville, their median household income was $23,500 according to 2022 Census data. In addition, the rent-to-income ratio in the area, at 39.1%, shows what portion of their earnings goes toward housing expenses.

Renter median household income
$23,500
Rent-to-income ratio
39.1%
Understanding the rent-to-income ratio can help renters gauge if local housing costs align with their earnings. A ratio under 30% usually signals affordability, while exceeding this mark means rent is taking a larger-than-recommended bite out of income. That could make it harder for you to cover other costs like transportation, healthcare, or child care.

Employment in St. Martinville

Workforce and job types in St. Martinville

The job market in St. Martinville is powered by 2,160 working residents, spread across a range of industries and roles. 64% of the working population are employed in professional or administrative positions, while 36% are in hands-on or service-based jobs. Also, 10.4% run their own businesses, 70.1% are employed by private companies, and 15.6% work in the public sector.

Workforce demographics

Working population
2,160
-1.0% year-over-year change
White collar
1,383
Blue collar
777
Value Percent YoY change
White collar 1,383 64% -9.7%
Blue collar 777 36% 19.5%
Employer type
Self employees
10.4%
Private companies
70.1%
Governmental workers
15.6%
Not for profit companies
3.8%
Value Percent YoY change
Self employees 225 10.4% 45.2%
Private companies 1,514 70.1% -8.2%
Governmental workers 338 15.6% 1.5%
Not for profit companies 83 3.8% 88.6%
Unemployment rate
9.0%
-43.0% year-over-year change

Available workforce

The unemployment rate in St. Martinville stands at 9%, representing the share of the workforce currently without a job and actively looking for one.

For renters, the unemployment rate helps paint a picture of job security and financial stability in the area. Rates around 4% to 5% are considered typical. A lower-than-average rate might suggest strong job prospects and a thriving local economy, while a higher rate could hint at fewer opportunities—both useful to consider when planning a move.

Transportation in St. Martinville

How people get around in St. Martinville

Commuting methods vary: 91.9% of residents travel by personal vehicle and 5.4% prefer to walk, while the remaining share relies on public transit or on two wheelers to get from A to B.

Means of transportation
Value Percent YoY change
Car 1,986 91.9% -0.1%
Bus or trolleybus 3 0.1% -81.2%
Walk 117 5.4% -24.0%
Understanding how locals get to work can help you plan your own routine. High car usage might mean you’ll need a vehicle, while strong public transit or walkability could save you the hassle. Commute times also play a big role in quality of life—shorter trips can give you more time for the things you enjoy.

What is the median and average household income in St. Martinville by zipcode?

Zipcode Population Number of households Median income Average income
70582 19,209 7,907 $49,837 $73,750

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FAQs about St. Martinville demographics 

What is the total population of St. Martinville?

St. Martinville has a total population of 5,297 residents, according to the latest release from the U.S. Census Bureau: the 2019-2023 American Community Survey (ACS) 5-year estimates. This figure changed by -1.3% compared to a year ago.

What is the gender ratio in St. Martinville?

The gender ratio in St. Martinville is as follows:
  • 45.4% males (2,405 residents)
  • 54.6% females (2,892 residents)

What is the median age in St. Martinville?

The median age in St. Martinville is 49.4.

What is the age distribution of the population in St. Martinville?

The age distribution in St. Martinville is as follows:
  • Under 15: 9.2% (489 residents)
  • Ages 15-24: 11.2% (594 residents)
  • Ages 25-44: 25.7% (1,360 residents)
  • Ages 45-64: 25.1% (1,330 residents)
  • Over 65: 28.8% (1,524 residents)

What is the racial and ethnic makeup of St. Martinville?

The racial and ethnic makeup of St. Martinville is as follows:
  • White: 45.2% (2,396 residents)
  • Black or African American: 48.9% (2,588 residents)
  • American Indian and Alaska Native: 0% (0 residents)
  • Asian: 0.4% (22 residents)
  • Native Hawaiian and Other Pacific Islander: 0% (0 residents)
  • Two or More Races: 4.3% (229 residents)
  • Other: 1.2% (62 residents)

What percentage of the population in St. Martinville are U.S.-born citizens?

U.S.-born citizens represent 97.1% of the population in St. Martinville.

How many housing units are there in St. Martinville?

There are 3,466 housing units in St. Martinville, reflecting a +4.3% change compared to the previous year, according to the latest data from the U.S. Census Bureau.

How many households are in St. Martinville and what is the average household size?

St. Martinville has a total of 2,848 households, with an average of 2 people in each.

What is the median household income in St. Martinville?

St. Martinville has a median household income of $36,130, representing a +9.1% shift from the previous year, according to the U.S. Census Bureau.

What is the employment rate and job market overview for St. Martinville?

The employment rate is 91% in St. Martinville, with a workforce of 2,160 residents. Here’s a detailed breakdown of the local job market:

Job types:
  • White-collar workers: 64% (1,383 residents)
  • Blue-collar workers: 36% (777 residents)

Places of employment:
  • Self-employed: 10.4% (225 residents)
  • Private companies: 70.1% (1,514 residents)
  • Governmental workers: 15.6% (338 residents)
  • Not-for-profit companies: 3.8% (83 residents)

Data source & methodology

The demographic data on this page was sourced from the latest U.S. Census Bureau release—the 2019–2023 American Community Survey (ACS) 5-year estimates.

The information, issued annually, is compiled and published by the Point2Homes Research Team as soon as new data becomes available.

No representation, guarantee, or warranty is made concerning the accuracy or completeness of modified or aggregated information for particular areas.

Page last updated: September 2025