County-level Census Bureau data covering income, housing, demographics, education, employment, and more. Counties are the primary administrative division in the U.S. and the most common unit for comparing local conditions across a state.
Data: U.S. Census Bureau, ACS 5-Year Estimates, 2023 (released December 2024).
Quick Facts — St. Mary Parish
- What is the median household income in St. Mary Parish?
- The median household income in St. Mary Parish is $250,001 (U.S. Census Bureau ACS 5-Year Estimates, 2023).
- What is the poverty rate in St. Mary Parish?
- The poverty rate in St. Mary Parish is 1.5% (U.S. Census Bureau ACS 2023).
- What is the median home value in St. Mary Parish?
- $1,282,800 (U.S. Census Bureau ACS 2023).
- What is the average rent in St. Mary Parish?
- The median gross rent in St. Mary Parish is $3,407 per month (U.S. Census Bureau ACS 2023).
- What percentage of St. Mary Parish residents have a college degree?
- 85.9% of adults in St. Mary Parish hold a bachelor's degree or higher (U.S. Census Bureau ACS 2023).
Population
31,306
Median Income
$250,001
Median Home Value
$1,282,800
Poverty Rate
1.5%
Unemployment (ACS 2023)
2.5%
Median Age
46.0 yrs
Since 2019
Median Income:
+$50,793 (+25.5%)
Home Value:
+$287,000 (+28.8%)
Poverty Rate:
+0.4 pp (+36.4%)
Bachelor's+:
+2.5 pp (+3%)
Unemployment:
-0.5 pp (-16.7%)
Demographics
Total Population
31,306
Median Age
46.0
Female
51.4%
Race & Ethnicity
Hispanic or Latino 5.1%
White (non-Hisp.) 66.8%
Black 1.8%
Asian 19.4%
Two or More 9.6%
Other 1.0%
Asian Subgroups (% of total pop.)
Chinese
8.3%
Korean
4.0%
Indian
3.1%
Vietnamese
1.2%
Filipino
1.0%
Japanese
0.3%
Hispanic Subgroups (% of total pop.)
Mexican
1.1%
Puerto Rican
0.7%
Cuban
0.1%
Source: U.S. Census Bureau, ACS 5-Year Estimates, 2023
Income & Poverty
Median Household Income
$250,001
±$3,798
+$189,978 vs. state
Per Capita Income
$361,855
Median Family Income
$250,001
Poverty Rate
1.5%
-12.7 pp vs. state
Child Poverty Rate
1.5%
Working-Age Poverty Rate
—
SNAP Recipients
0.9%
Social Security Income
—
Retirement Income
30.8%
Household Income Distribution
< $10k
2.7%
$10–15k
1.3%
$15–25k
1.8%
$25–35k
3.0%
$35–50k
2.1%
$50–75k
5.0%
$75–100k
3.5%
$100–150k
9.4%
$150–200k
9.3%
$200k+
61.9%
Source: U.S. Census Bureau, ACS 5-Year Estimates, 2023
Housing
Total Housing Units
11,316
Owner-Occupied
84.4%
Renter-Occupied
15.6%
Vacancy Rate
3.7%
Median Home Value
$1,282,800
+$1,074,100 vs. state
Median Gross Rent
$3,407
Owner Cost Burden (30%+)
20.3%
Renter Cost Burden (30%+)
39.9%
Home Value Distribution
< $50k
0.8%
$200–300k
0.4%
$300–500k
2.9%
$500k–$1M
18.9%
$1M+
76.8%
Gross Rent Distribution
< $500
5.3%
$500–1k
9.4%
$1–1.5k
5.2%
$1.5–2k
3.1%
$2–2.5k
11.0%
$2.5–3.5k
8.3%
$3.5k+
57.7%
Vehicle Availability
No vehicle
4.3%
1 vehicle
23.5%
2 vehicles
44.1%
3+
28.1%
Housing Type
Single-fam. det.
79.6%
Single-fam. att.
9.3%
2–4 units
0.1%
5–19 units
0.2%
20+ units
10.6%
Housing Age
Pre-1940
2.1%
1940–1969
0.9%
1970–1999
17.4%
2000–2009
8.6%
2010+
9.5%
Source: U.S. Census Bureau, ACS 5-Year Estimates, 2023
Education
High School or Higher
97.0%
Bachelor's or Higher
85.9%
+59.3 pp vs. state
Graduate Degree
57.1%
Some College / Associate
5.8%
Less Than High School
1.2%
Enrolled in School
—
Source: U.S. Census Bureau, ACS 5-Year Estimates, 2023
Employment
Labor Force Participation
63.8%
Unemployment Rate
2.5%
-3.8 pp vs. state
Work from Home
34.6%
Self-Employed
6.6%
Government Workers
19.5%
Private For-Profit
73.7%
Industry
Prof. Services
32.4%
Edu/Health
15.2%
Public Admin
13.5%
Finance
10.3%
Retail
5.3%
Arts/Entmt.
5.0%
Construction
2.7%
Manufacturing
2.6%
Information
2.6%
Transportation
1.3%
Wholesale
0.9%
Occupation
Management
77.7%
Sales
11.6%
Food Prep
7.1%
Production
2.1%
Construction
1.6%
Source: U.S. Census Bureau, ACS 5-Year Estimates, 2023
Commute
Median Travel Time
26.5 min
Drove Alone
54.2%
Carpool
5.0%
Public Transit
3.6%
Work from Home
34.6%
Walked
1.3%
Bicycle
—
Source: U.S. Census Bureau, ACS 5-Year Estimates, 2023
Households & Families
Total Households
10,896
Avg. Household Size
2.00
Avg. Family Size
—
Married-Couple Households
70.7%
Single-Mother Households
—
Single-Father Households
—
Living Alone
—
Households with Children
35.2%
Multigenerational
—
Source: U.S. Census Bureau, ACS 5-Year Estimates, 2023
Age Distribution
Under 5
3.8%
5–9
7.2%
10–14
9.5%
15–19
8.3%
20–24
3.6%
25–34
4.6%
35–44
10.2%
45–54
18.2%
55–64
7.9%
65–74
7.2%
75–84
9.5%
85+
7.3%
Under 18: 26.4%
Working age (18–64): 73.6%
65 and over: 19.4%
Source: U.S. Census Bureau, ACS 5-Year Estimates, 2023
Social Characteristics
Immigration
Foreign Born
25.2%
Naturalized Citizen
62.7%
Speaks English Less Than Very Well
5.9%
Foreign-Born Origin
Asia
62.1%
Europe
20.8%
Latin America
6.4%
Africa
6.0%
Veterans & Disability
Veteran
7.9%
With a Disability
7.3%
Cognitive Difficulty
—
Ambulatory Difficulty
—
Health Insurance
Insured
98.2%
Uninsured
1.8%
Employer Insurance
—
Medicaid
—
Medicare
—
Technology & Mobility
Broadband Internet
96.4%
Has a Computer
98.3%
Same House 1 Year Ago
88.5%
Moved from Abroad
2.5%
Source: U.S. Census Bureau, ACS 5-Year Estimates, 2023
Compare St. Mary Parish
Compare to another county →Where People Move From (IRS Migration Data)
Top origins of people who moved to St. Mary Parish in 2023, by number of tax returns filed (IRS SOI Migration Data).
| Origin | Tax Returns | People (est.) |
|---|---|---|
| Other flows - South | 118 | 232 |
| Iberia Parish | 95 | 194 |
| Lafayette Parish | 80 | 134 |
| Terrebonne Parish | 73 | 133 |
| Assumption Parish | 70 | 156 |
| Lafourche Parish | 45 | 92 |
| Other flows - Midwest | 32 | 60 |
| East Baton Rouge Parish | 30 | 45 |
| Harris County | 29 | 64 |
| Other flows - West | 29 | 48 |