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Louisiana ZIP Codes
West Baton Rouge County
Erwinville, LA
70729
70729 ZIP Code — Erwinville, LA
West Baton Rouge County, Louisiana
ZIP code 70729 is located in
Erwinville ,
Louisiana ,
within West Baton Rouge County .
It covers approximately 17.26 square miles and serves a population of
1,027 residents.
This is a standard ZIP code in the Central (CT) timezone,
served by area code 225 .
About ZIP code 70729
The housing stock consists of predominantly single-family detached homes. Most homes were built in the 2000s, giving the area an established character. Median home value is $275,000. Owner-occupancy is high at 92%, well above the national average.
Median household income is $137,581. Poverty affects 18% of residents, above the national average.
The dominant occupation class is management, business, and professional, with professional and management as the leading industry. The average commute of 27 minutes is near the national average.
Educational attainment is near the national average, with 43% of residents holding a bachelor's degree or higher.
Health indicators show elevated rates of smoking (21%) compared to national benchmarks.
Overall, ZIP code 70729 reflects a community defined by economic challenges above the national average and high homeownership.
70729 ZIP code map
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Cities in ZIP code 70729
Below are the cities the US Postal Service accepts for ZIP code 70729. Using any city not on this list may result in mail delivery delays.
Nearby ZIP codes
Demographics
updated 05/2026
Population
Total population
1,027
Population density
60 / sq mi
State FIPS
22
County FIPS
121
Geography
Land area
17.26 sq mi
Water area
1.62 sq mi
Latitude
30.6028
Longitude
-91.3291
Timezone
Central (CT)
Area code
225
Economics
updated 05/2026
Household income
Income range
This ZIP
County avg
State avg
Under $50k
18.1%
34.9%
49.2%
$50k – $100k
43.5%
35.4%
27.7%
$100k – $200k
34.7%
25.9%
18.3%
Over $200k
3.6%
3.8%
4.7%
Demographics & statistics
$137,581
Median household income
$275,000
Median home value
43.2%
Bachelor's or higher
Age distribution
Age summary
Group Count % Under 18 366 35.6% 18 and over 661 64.4% 65 and over 66 6.4% Median age 32.0 years
Race & ethnicity
Black or African American
24.6%
Group Count % White 774 75.4% Black or African American 253 24.6%
Household income
Income range
This ZIP
County avg
State avg
Under $50k
18.1%
34.9%
49.2%
$50k – $100k
43.5%
35.4%
27.7%
$100k – $200k
34.7%
25.9%
18.3%
Over $200k
3.6%
3.8%
4.7%
Range % of households $15k–$25k 13.7% $25k–$35k 3.7% $35k–$50k 9.3% $50k–$75k 3.7% $75k–$100k 6.7% $100k–$150k 23.0% $150k–$200k 3.7% $200k+ 36.3% Median income $137,581
Housing
Housing overview
Metric Value Median home value $275,000 Median rent / month $0 Owner occupied 91.7% Renter occupied 8.3% Vacant 16.9% Single-family detached 71.7% Large apartment buildings 0.0% Mobile homes 25.2% Median rooms 6.7 Avg household size (owned) 3.51
Year built
Era % 2020 or later 0.0% 2010–2019 17.2% 2000–2009 47.4% 1990–1999 16.3% 1980–1989 1.9% 1970–1979 3.6% 1960–1969 8.6% 1950–1959 0.0% 1940–1949 5.0% 1939 or earlier 0.0%
Bedrooms
Size % of units No bedroom (studio) 0.0% 1 bedroom 0.0% 2 bedrooms 5.0% 3 bedrooms 55.1% 4 bedrooms 39.9% 5+ bedrooms 0.0%
Vehicles per household
Vehicles % of households No vehicle 0.0% 1 vehicle 19.7% 2 vehicles 27.3% 3 or more 53.0%
Heating fuel
Fuel type % Utility gas 70.3% Electricity 29.7%
Households & families
Household type Count % Married-couple family 216 72.0% Cohabiting couple 0 0.0% Male householder, no spouse 44 14.7% Female householder, no spouse 40 13.3% Households with children under 18 155 51.7% Households with seniors (65+) 57 19.0% Average household size 3.42
Marital status
Status Male Female Never married 49.8% 27.6% Married 50.2% 60.4% Separated 0.0% 0.0% Widowed 0.0% 9.3% Divorced 0.0% 2.7%
Education
Some HS, no diploma
20.4%
Some college, no degree
13.8%
Graduate / professional
7.3%
Metric % HS diploma or higher 79.6% Bachelor's or higher 43.2%
School enrollment (ages 3–17)
Type Count % Nursery / preschool 0 0.0% Kindergarten 0 0.0% Elementary school 162 48.2% High school 152 45.2% College / grad school 22 6.5%
Employment
Industry of employment
Professional & management
17.9%
Education & healthcare
17.1%
Finance & real estate
9.5%
Agriculture & mining
8.4%
Transportation & utilities
4.3%
Arts, food & hospitality
3.2%
Public administration
2.3%
Occupation
Category % Management, business & arts 52.6% Service 15.6% Sales & office 22.3% Natural resources & construction 5.2% Production & transportation 4.3%
Employment type
Type % Private sector 66.5% Government 8.7% Self-employed 24.9% Unpaid family workers 0.0%
Commute
Method % Drive alone 75.0% Carpool 6.3% Public transit 0.0% Walk 0.0% Work from home 18.7% Other means 0.0% Avg commute (minutes) 27.2
Poverty
Married-couple families
13.0%
Female-led households
0.0%
Income support
Source % of households Social Security 25.0% Retirement income 14.0% Supplemental Security 0.0% Cash public assistance 0.0% Food stamps / SNAP 9.7%
Health indicators
Condition % Obesity 37.4% High blood pressure 37.6% High cholesterol 34.9% Diabetes 12.1% Heart disease 6.3% Stroke 3.4% Asthma 9.5% Arthritis 24.7% Kidney disease 3.0% Pulmonary disease 7.2% Cancer 5.8%
Behavior / access % Smoking 21.1% Binge drinking 19.8% No physical activity 28.1% Less than 7 hrs sleep 36.6% Depression 25.7% Fair or poor health 17.5% Poor mental health 17.6% Poor physical health 11.6% No health insurance 14.1% Visited doctor (checkup) 77.8% Visited dentist 57.4% Cholesterol screening 89.2% Teeth loss 16.4%
Veterans & disability
Veterans Count % Civilian veterans 39 5.9%
Disability % Any disability 4.5% Under 18 0.0% 18–64 years 7.7% 65 and over 0.0%
Health insurance coverage
Type % Private insurance 77.7% Public insurance 15.6% No insurance 12.2% Uninsured under 19 0.0%
Language & origin
Language spoken at home (age 5+)
Language Count % English only 975 94.9% Spanish 11 1.1% Other Indo-European 0 0.0% Asian & Pacific Islander 11 1.1% Other languages 0 0.0%
Place of birth & citizenship
Origin Count % Native born (US) 1,008 98.1% Born in same state 1,008 98.1% Born in different state 997 97.1% Foreign born 0 0.0% Naturalized citizen 19 1.9% Not a US citizen 0 0.0%
Ancestry
Ancestry Count % Arab 140 13.6% German 51 5%
Ancestry Count % Italian 11 1.1%
Technology access
Metric % of households Computer access 29.2% Internet access 97.0%
Source: U.S. Census Bureau, American Community Survey 2025 estimates.
Frequently asked questions about ZIP code 70729
What city is ZIP code 70729 in?
ZIP code 70729 is primarily assigned to Erwinville, Louisiana.
What county is ZIP code 70729 in?
ZIP code 70729 falls within West Baton Rouge County, Louisiana.
Is ZIP code 70729 family-oriented?
36% of residents in ZIP code 70729 are under 18, reflecting a younger, family-oriented community.
Is ZIP code 70729 mostly owner-occupied?
92% of occupied units in ZIP code 70729 are owner-occupied, well above the national average.
What is the poverty rate in ZIP code 70729?
18% of residents in ZIP code 70729 live below the poverty line, above the national average.
What is the median household income in ZIP code 70729?
The median household income in ZIP code 70729 is $137,581, above the national median of ~$75,000.
What timezone is ZIP code 70729 in?
ZIP code 70729 observes the CST timezone.
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