St. John the Baptist Parish, Louisiana Demographics 2026

Name: St. John the Baptist Parish, Louisiana Demographics
Creator: U.S. Census Bureau
License: https://www.census.gov/data/developers/about/terms-of-service.html

St. John the Baptist Parish, Louisiana has a population of 40,743, the 27th most populous county in Louisiana. The median household income is $66,630 and the median home value is $193,200. The poverty rate is 14.4%.

Data vintage: U.S. Census Bureau ACS 2020–2024 5-Year Estimates · refreshed July 2026 · Methodology & source notes

St. John the Baptist Parish Quick Facts

Population 40,743

Median Household Income $66,630

Median Home Value $193,200

Poverty Rate 14.4%

Unemployment Rate 10.9%

Median Age 40.1 years

Homeownership Rate 77.5%

Affordability Ratio 2.9x

Bachelor's Degree+ 18.2%

High School Graduation 85.5%

Cities/Places 6

Population 40,743 27th of 64

Median Income $66,630 10% higher than state

Poverty Rate 14.4%

Unemployment 10.9%

How St. John the Baptist Parish Changed

Change from the 2019–2023 ACS period to 2020–2024. These are rolling five-year estimates, not year-over-year measurements.

Metric	2019–2023	2020–2024	Change
Population	41,342	40,743	-1.4%
Median household income	$67,418	$66,630	-1.2%
Median home value	$184,000	$193,200	+5.0%

Median Household Income

St. John the Baptist Parish

$66,630

$60,756

National

$80,734

Median Home Value

St. John the Baptist Parish

$193,200

$216,500

National

$332,700

Economy & Housing

Household Income Distribution

Under $25K 18.7%

$25K-$50K 21.1%

$50K-$100K 32.8%

$100K+ 27.4%

Detailed income brackets

Under $10K

4.0%

$10K-$15K

5.1%

$15K-$20K

5.4%

$20K-$25K

4.1%

$25K-$30K

2.7%

$30K-$35K

6.4%

$35K-$40K

5.4%

$40K-$45K

3.9%

$45K-$50K

2.8%

$50K-$60K

7.2%

$60K-$75K

9.2%

$75K-$100K

16.4%

$100K-$125K

9.9%

$125K-$150K

6.4%

$150K-$200K

5.6%

$200K+

5.5%

Employment

10.9% Unemployment Rate State: 6.3%|National: 5.2%

60.0% Labor Force Participation

Housing Overview

Owner 77.5%

Renter 22.5%

Affordability Index Very Affordable

2.9x home value to income ratio

Median gross rent $1,334/mo 24.0% of median household income annually

People & Demographics

Age Distribution

Under 18

24.1%

18-34

21.1%

35-54

24.9%

55-74

24.3%

75+

5.5%

Race & Ethnicity

Diversity Index

High Diversity

A diverse community with significant representation from multiple racial and ethnic groups.

State average: 59 | National average: 61

Education

Educational Attainment (Adults 25+)

Cities & Places in St. John the Baptist Parish

City	Population	Median Income	Poverty	Home Value
Laplace	28,343	$69,030	13.1%	$199,900
Reserve	7,791	$55,450	19.1%	$154,100
Garyville	2,119	$88,060	18.6%	$171,600
Edgard	1,482	$68,953	11.2%	$182,900
Wallace	791	$38,389	12.9%	$184,700
Pleasure Bend	217	$68,958	0.0%	$147,700

Explore Louisiana Rankings

Cities by Population All cities ranked by size Richest Cities Ranked by median income Most Educated By bachelor's degree rate Most Affordable By housing affordability

Population Overview

St. John the Baptist Parish is located in Louisiana with a total population of 40,743. It is the 27th most populous county out of 64 in Louisiana. The county encompasses 6 Census-designated places.

Age Demographics

The median age in St. John the Baptist Parish is 40.1 years. This is 6% higher than the state median of 38.0 years.

Economy, Income & Housing

The median household income in St. John the Baptist Parish is $66,630. This is 10% higher than the state median of $60,756. It is also 17% lower than the national median of $80,734. The poverty rate stands at 14.4%. This is 24% lower than the state poverty rate of 18.9%. The unemployment rate is 10.9%. This is 73% higher than the state rate of 6.3%. The median home value is $193,200. Housing costs are 11% lower than the state median of $216,500. With a home-value-to-income ratio of just 2.9x, St. John the Baptist Parish is one of the most affordable housing markets in the area. 77.5% of occupied housing units are owner-occupied. This homeownership rate is 15% higher than the state average of 67.4%.

Race & Ethnicity

The largest racial or ethnic group in St. John the Baptist Parish is Black or African American, making up 56.8% of the population. White (non-Hispanic) residents account for 29.5%. The Black or African American population is significantly higher than the state average (56.8% vs 30.5%).

Education

18.2% of residents aged 25 and older hold a bachelor's degree or higher. This is 33% lower than the state rate of 27.0%. Nationally, 35.7% of adults hold at least a bachelor's degree. The high school graduation rate (or equivalent) is 85.5%.

Data Sources & Methodology

All figures for St. John the Baptist Parish come from the U.S. Census Bureau's American Community Survey (ACS) 2020–2024 5-Year Estimates, with comparisons drawn against Louisiana and national averages from the same dataset. See our methodology page for how each metric is defined, or data.census.gov for official tables with margins of error.

Frequently Asked Questions

What is the population of St. John the Baptist Parish, Louisiana?

St. John the Baptist Parish has a population of 40,743, making it the 27th most populous county in Louisiana.

What is the median income in St. John the Baptist Parish?

The median household income in St. John the Baptist Parish is $66,630 with a poverty rate of 14.4%.

How many cities are in St. John the Baptist Parish, Louisiana?

St. John the Baptist Parish contains 6 Census-designated places.