St. John the Baptist County, LA demographics:
population, income, and more

Total population
48,256
-2.2% year-over-year change
Median household income
$68,459/yr
-1.3% year-over-year change
Housing units
21,261
-0.1% year-over-year change

St. John the Baptist County population

How many people live in St. John the Baptist County

St. John the Baptist County is home to 48,256 residents, according to the most recent Census data. Gender-wise, 49.3% of St. John the Baptist County locals are male, and 50.7% are female.

Total population
48,256
-2.2% year-over-year change
Gender ratio
Male
49.3%
23,772
Female
50.7%
24,484
Value Percent YoY change
Male 23,772 49.3% -2.7%
Female 24,484 50.7% -1.8%
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. John the Baptist County is 43, with the population distributed as follows: about 18.4% are children under 15, then 13.1% are in the 15 to 24 age group. Adults between 25 and 44 make up 25.6% of the population, while another 26.7% fall into the 45 to 64 bracket. Finally, around 16.2% are 65 or older.

Median age
43
Age breakdown
Under 15
18.4%
15 to 24
13.1%
25 to 44
25.6%
45 to 64
26.7%
Over 65
16.2%
Value Percent YoY change
Under 15 8,894 18.4% -3.1%
15 to 24 6,317 13.1% -4.7%
25 to 44 12,342 25.6% -1.9%
45 to 64 12,869 26.7% -3.7%
Over 65 7,834 16.2% 3.2%
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. John the Baptist County, 94.5% of the population are US-born citizens, while 3.2% have gained naturalized citizenship. At the same time, 2.3% of residents are non-citizens. As for race, 34.5% of locals are Caucasian, 54.9% are African American and 0.8% have Asian roots. There’s also a share of 5.3% that includes residents with two or more races.

Citizenship
U.S.-born citizens
94.5%
Non-U.S.-born citizens
3.2%
Non-citizens
2.3%
Value Percent YoY change
U.S.-born citizens 45,593 94.5% -2.5%
Non-U.S.-born citizens 1,538 3.2% -17.4%
Non-citizens 1,125 2.3% 50.0%
Racial breakdown
White
34.5%
Black or African American
54.9%
American Indian and Alaska Native
0.6%
Asian
0.8%
Native Hawaiian and other Pacific Islander
0%
Two or more races
5.3%
Other
3.9%
Value Percent
White 16,650 34.5%
Black or African American 26,490 54.9%
American Indian and Alaska Native 268 0.6%
Asian 378 0.8%
Native Hawaiian and other Pacific Islander 1 0%
Two or more races 2,576 5.3%
Other 1,893 3.9%

Households in St. John the Baptist County

A peek inside St. John the Baptist County households

St. John the Baptist County has 18,215 households, with an average of 2 members in each. Of these, 69.3% are families, while the remaining 30.7% are made up of individuals living alone or with non-relatives, such as roommates.

Households stats

Total households
18,215
1.2% year-over-year change
Average people per household
2
Non-family households
5,591
Family households
12,624
Value Percent YoY change
Non-family households 5,591 30.7% 3.8%
Family households 12,624 69.3% 0.0%
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. John the Baptist County

The housing landscape of St. John the Baptist County

St. John the Baptist County's housing consists of 21,261 units, with 79.5% being detached single-family homes ideal for those wanting space. Attached options, including duplexes and townhouses, make up 1.5% 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 10.3% of the housing landscape.

Housing units
21,261
-0.1% year-over-year change
Housing types
Value Percent
1 unit, detached 16,907 79.5%
1 unit, attached 316 1.5%
2 units 479 2.2%
3 or 4 units 701 3.3%
5 to 9 units 228 1.1%
10 to 19 units 107 0.5%
20 to 49 units 112 0.5%
50 or more units 144 0.7%
Mobile home 2,193 10.3%
Boat, RV, van, etc. 74 0.4%
Homes built since 2020
284
49.5% year-over-year change

The age of buildings in St. John the Baptist County

In St. John the Baptist County, the median construction year is 1982. About 3% of homes were built before the 1940s, with another 2.4% going up by 1949. Most development happened in the second half of the 20th century. Then, 20% of homes were added from 2000 to 2009, 3.9% between 2010 and 2019, and 1.3% are part of the newest wave of development.

Construction year breakdown by decade
Value Percent YoY change
Built in 1939 or earlier 642 3% -9.2%
Built between 1940 and 1949 506 2.4% 1.0%
Built between 1950 and 1959 1,487 7% 12.2%
Built between 1960 and 1969 1,584 7.4% -25.0%
Built between 1970 and 1979 4,394 20.7% -8.4%
Built between 1980 and 1989 4,378 20.6% 1.6%
Built between 1990 and 1999 2,896 13.6% 17.8%
Built between 2000 and 2009 4,254 20% 5.8%
Built between 2010 and 2019 836 3.9% -3.4%
Built in 2020 or later 284 1.3% 49.5%
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. John the Baptist County occupancy rates

Out of the 18,215 occupied housing units in St. John the Baptist County, 78.6% are owner-occupied, while 21.4% are lived in by tenants. Meanwhile, 14.3% of all homes on the local market sit vacant.

Occupied housing units
18,215
1.2% year-over-year change
Occupancy breakdown
Renter occupied
3,891
Owner occupied
14,324
Value Percent YoY
change
Renter occupied 3,891 21.4% 10.8%
Owner occupied 14,324 78.6% -1.2%
Unoccupied housing units
14.3%
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. John the Baptist County housing costs

Housing costs in St. John the Baptist County come to a median of $903 per month, while tenants specifically pay a median gross rent of $1,154.

Median housing costs per month
$903/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. John the Baptist County
$1,154/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. John the Baptist County

St. John the Baptist County education at a glance

About 49% of the population in St. John the Baptist County went to high school, while 20.5% pursued college studies. Another 9.3% earned an associate degree and 12.1% hold a bachelor’s. Meanwhile, 6.1% went even further, earning a master’s or doctorate.

Education level
Value Percent YoY change
No high school 1,117 3% 1.2%
High school diploma 18,161 49% -3.1%
College diploma 7,591 20.5% -0.8%
Associate degree 3,452 9.3% 3.6%
Bachelor's degree 4,476 12.1% -5.6%
Graduate degree 2,244 6.1% 0.4%
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. John the Baptist County

How much people earn in St. John the Baptist County

The average annual household income in St. John the Baptist County was $82,237 in 2024, the most recent annual data available, according to the U.S. Census Bureau. This marked a +0.8% change from the previous year. At the same time, the median income stood at $68,459, reflecting a -1.3% shift over the same period.

Average household income in St. John the Baptist County
$82,237/year
0.8% year-over-year change
Median household income in St. John the Baptist County
$68,459/year
-1.3% year-over-year change

St. John the Baptist County income by age

In St. John the Baptist County, households led by residents aged 25 to 44 — usually in the early to mid stages of their careers — have a median income of $90,748. Those with someone between 45 and 64 in charge, often well established professionally, earn $68,553 overall. Overall, 86.6% of the locals in this community live above the poverty line.

Income breakdown by age
Value YoY change
25 - 44 $90,748 2.3%
45 - 64 $68,553 -6.1%
Over 65 $60,132 10.7%
Above poverty level
41,054
Below poverty level
6,358
Value Percent YoY
change
Above poverty level 41,054 86.6% -3.8%
Below poverty level 6,358 13.4% 7.5%

Employment in St. John the Baptist County

Workforce and job types in St. John the Baptist County

70.7% of the working population are employed in professional or administrative positions, while 29.3% are in hands-on or service-based jobs. Also, 10.4% run their own businesses, 65.2% are employed by private companies, and 17.2% work in the public sector.

Workforce demographics

White collar
14,900
Blue collar
6,164
Value Percent YoY change
White collar 14,900 70.7% -3.6%
Blue collar 6,164 29.3% -8.5%
Employer type
Self employees
10.4%
Private companies
65.2%
Governmental workers
17.2%
Not for profit companies
7.1%
Value Percent YoY change
Self employees 2,197 10.4% 27.2%
Private companies 13,742 65.2% -11.0%
Governmental workers 3,623 17.2% -0.2%
Not for profit companies 1,502 7.1% 6.7%

Transportation in St. John the Baptist County

How people get around in St. John the Baptist County

In St. John the Baptist County, the average commute time is 31 minutes. Commuting methods vary: 98.8% of residents travel by personal vehicle and 0.4% prefer to walk, while the remaining share relies on public transit or on two wheelers to get from A to B.

Commute time
31 min
-6.1% year-over-year change
Means of transportation
Value Percent YoY change
Car 18,247 98.8% -6.8%
Bus or trolleybus 106 0.6% 34.2%
Motorcycle 2 0% 0.0%
Bicycle 38 0.2% 216.7%
Walk 81 0.4% -13.8%
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. John the Baptist County by zipcode?

Zipcode Population Number of households Median income Average income
70049 1,482 616 $68,953 $83,000
70051 1,878 669 $87,888 $87,664
70068 32,720 11,943 $68,459 $85,405
70076 100 37 $0 $0
70084 5,629 2,245 $62,047 $67,600
70090 6,447 2,705 $61,654 $87,515

Find your place

Explore more communities

FAQs about St. John the Baptist County demographics 

What is the total population of St. John the Baptist County?

St. John the Baptist County has a total population of 48,256 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 -2.2% compared to a year ago.

What is the gender ratio in St. John the Baptist County?

The gender ratio in St. John the Baptist County is as follows:
  • 49.3% males (23,772 residents)
  • 50.7% females (24,484 residents)

What is the median age in St. John the Baptist County?

The median age in St. John the Baptist County is 43.

What is the age distribution of the population in St. John the Baptist County?

The age distribution in St. John the Baptist County is as follows:
  • Under 15: 18.4% (8,894 residents)
  • Ages 15-24: 13.1% (6,317 residents)
  • Ages 25-44: 25.6% (12,342 residents)
  • Ages 45-64: 26.7% (12,869 residents)
  • Over 65: 16.2% (7,834 residents)

What is the racial and ethnic makeup of St. John the Baptist County?

The racial and ethnic makeup of St. John the Baptist County is as follows:
  • White: 34.5% (16,650 residents)
  • Black or African American: 54.9% (26,490 residents)
  • American Indian and Alaska Native: 0.6% (268 residents)
  • Asian: 0.8% (378 residents)
  • Native Hawaiian and Other Pacific Islander: 0% (1 residents)
  • Two or More Races: 5.3% (2,576 residents)
  • Other: 3.9% (1,893 residents)

What percentage of the population in St. John the Baptist County are U.S.-born citizens?

U.S.-born citizens represent 94.5% of the population in St. John the Baptist County.

How many housing units are there in St. John the Baptist County?

There are 21,261 housing units in St. John the Baptist County, reflecting a -0.1% change compared to the previous year, according to the latest data from the U.S. Census Bureau.

How many households are in St. John the Baptist County and what is the average household size?

St. John the Baptist County has a total of 18,215 households, with an average of 2 people in each.

What is the median household income in St. John the Baptist County?

St. John the Baptist County has a median household income of $68,459, representing a -1.3% shift from the previous year, according to the U.S. Census Bureau.

What is the job market overview for St. John the Baptist County?

Here’s a detailed breakdown of the local job market:

Job types:
  • White-collar workers: 70.7% (14,900 residents)
  • Blue-collar workers: 29.3% (6,164 residents)

Places of employment:
  • Self-employed: 10.4% (2,197 residents)
  • Private companies: 65.2% (13,742 residents)
  • Governmental workers: 17.2% (3,623 residents)
  • Not-for-profit companies: 7.1% (1,502 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