Caddo Parish vs St. Tammany Parish

A side-by-side comparison of Caddo Parish and St. Tammany Parish: population, income, housing, and more.

Caddo Parish and St. Tammany Parish are counties in Louisiana. This page compares them across population, income, housing, education, commuting, and how each has changed since 2019.

St. Tammany Parish has the higher population (269,331 vs 232,973 in Caddo Parish). St. Tammany Parish has the higher median household income ($79,277 vs $50,067 in Caddo Parish). St. Tammany Parish has the higher median home value ($272,200 vs $175,900 in Caddo Parish).

Population, income & housing

	Caddo Parish	St. Tammany Parish
Population	232,973	269,331
Median age	39.2 yrs	40.4 yrs
Median household income	$50,067	$79,277
Median home value	$175,900	$272,200
Median gross rent	$962	$1,305
Housing units	112,568	112,414
Homeownership rate	60.6%	78.8%
Bachelor's degree or higher	25.3%	36.6%
Unemployment rate	8.4%	4.8%

Trends (ACS 5-year, 2019–2023)

	Caddo Parish	St. Tammany Parish
Population	245,831 → 232,973 (-5.2%)	255,155 → 269,331 (+5.6%)
Median household income	$41,797 → $50,067 (+19.8%)	$68,905 → $79,277 (+15.1%)
Median home value	$149,200 → $175,900 (+17.9%)	$218,500 → $272,200 (+24.6%)
Median gross rent	$797 → $962 (+20.7%)	$1,086 → $1,305 (+20.2%)

Caddo Parish

Population

245,831232,973

Median household income

$41,797$50,067

Median home value

$149,200$175,900

Median gross rent

$797$962

St. Tammany Parish

Population

255,155269,331

Median household income

$68,905$79,277

Median home value

$218,500$272,200

Median gross rent

$1,086$1,305

Age & race/ethnicity

Age distribution (share)

	Caddo Parish	St. Tammany Parish
Under 5	6.2%	5.8%
5 to 17	17.5%	18.0%
18 to 24	8.0%	7.6%
25 to 34	13.2%	11.2%
35 to 44	12.6%	13.3%
45 to 54	11.3%	12.5%
55 to 64	12.9%	13.6%
65 to 74	11.1%	11.1%
75 and over	7.3%	6.9%

Race & ethnicity (share)

	Caddo Parish	St. Tammany Parish
White (non-Hispanic)	42.7%	73.3%
Black or African American	49.0%	12.0%
American Indian & Alaska Native	0.2%	0.2%
Asian	1.2%	1.3%
Native Hawaiian & Pacific Islander	0.1%	0.3%
Some other race	0.2%	0.8%
Two or more races	3.0%	4.1%
Hispanic or Latino	3.7%	7.9%

Educational attainment (age 25+)

Share of adults 25+

	Caddo Parish	St. Tammany Parish
No high school diploma	12.5%	8.6%
High school graduate	31.7%	24.0%
Some college or associate's	30.6%	30.8%
Bachelor's degree	14.9%	23.7%
Graduate or professional degree	10.4%	12.8%

Commute to work

How workers get to work (share)

	Caddo Parish	St. Tammany Parish
Drove alone	80.8%	77.4%
Carpooled	9.5%	7.6%
Public transit	1.0%	0.1%
Walked	1.0%	0.8%
Bicycle	0.0%	0.1%
Worked from home	5.4%	12.4%
Other means	2.2%	1.5%

Housing

Units in structure (share)

	Caddo Parish	St. Tammany Parish
1-unit, detached	67.7%	77.4%
1-unit, attached	2.4%	2.5%
2 to 4 units	7.6%	4.2%
5 to 19 units	8.7%	4.9%
20 or more units	4.6%	4.2%
Mobile home & other	9.0%	6.8%

Poverty & households

	Caddo Parish	St. Tammany Parish
Poverty rate	22.3%	12.2%
Average household size	2.40	2.58
Mean commute (minutes)	21	31
Median year structure built	1975	1995