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Louisiana ZIP Codes
Jefferson Davis County
Lake Arthur, LA
70549
70549 ZIP Code — Lake Arthur, LA
Jefferson Davis County, Louisiana
ZIP code 70549 is located in
Lake Arthur ,
Louisiana ,
within Jefferson Davis County .
It covers approximately 161.13 square miles and serves a population of
3,208 residents.
This is a standard ZIP code in the Central (CT) timezone,
served by area code 337 .
About ZIP code 70549
The housing stock consists of a higher-than-average concentration of mobile homes. Most homes were built in the 1950s, giving the area an established character. Median home value is $96,800. Owner-occupancy sits near the national average at 74%.
The gap between median ($39,715) and mean household income suggests income inequality — a small number of higher earners pull the average up. Poverty affects 19% of residents, above the national average. SNAP benefit usage at 19% of households reflects economic stress in the area. 35% of households receive Social Security income, suggesting a notable retiree or disability population.
The dominant occupation class is sales and office, with retail trade as the leading industry. The average commute of 31 minutes is near the national average.
College attainment at 11% is below the national average, consistent with a trades and production-oriented local economy.
Health indicators show elevated rates of smoking (25%) compared to national benchmarks.
Overall, ZIP code 70549 reflects a community defined by a trades-oriented workforce, economic challenges above the national average, a significant Social Security-dependent population, and elevated reliance on food assistance.
70549 ZIP code map
View map of 70549
Cities in ZIP code 70549
Below are the cities the US Postal Service accepts for ZIP code 70549. Using any city not on this list may result in mail delivery delays.
Nearby ZIP codes
Demographics
updated 05/2026
Population
Total population
3,208
Population density
20 / sq mi
State FIPS
22
County FIPS
053
Geography
Land area
161.13 sq mi
Water area
10.33 sq mi
Latitude
30.0808
Longitude
-92.7687
Timezone
Central (CT)
Area code
337
Economics
updated 05/2026
Household income
Income range
This ZIP
County avg
State avg
Under $50k
57.5%
54.8%
49.2%
$50k – $100k
24.9%
25.5%
27.7%
$100k – $200k
15.3%
15.7%
18.3%
Over $200k
2.3%
4.0%
4.7%
Demographics & statistics
$39,715
Median household income
11.2%
Bachelor's or higher
Age distribution
Age summary
Group Count % Under 18 669 20.9% 18 and over 2,539 79.1% 65 and over 510 15.9% Median age 39.0 years
Race & ethnicity
Black or African American
5.4%
Group Count % White 2,837 83.7% Black or African American 184 5.4% Hispanic or Latino 183 5.4% Two or more races 106 3.1% Other race 81 2.4%
Household income
Income range
This ZIP
County avg
State avg
Under $50k
57.5%
54.8%
49.2%
$50k – $100k
24.9%
25.5%
27.7%
$100k – $200k
15.3%
15.7%
18.3%
Over $200k
2.3%
4.0%
4.7%
Range % of households Under $10k 7.5% $10k–$15k 8.9% $15k–$25k 12.5% $25k–$35k 13.0% $35k–$50k 11.3% $50k–$75k 10.1% $75k–$100k 14.5% $100k–$150k 11.4% $150k–$200k 8.9% $200k+ 1.9% Median income $39,715
Housing
Housing overview
Metric Value Median home value $96,800 Median rent / month $707 Owner occupied 73.9% Renter occupied 26.1% Vacant 22.9% Single-family detached 68.1% Large apartment buildings 0.0% Mobile homes 25.7% Median rooms 5.1 Avg household size (owned) 2.67
Year built
Era % 2020 or later 0.0% 2010–2019 7.1% 2000–2009 14.3% 1990–1999 10.5% 1980–1989 10.1% 1970–1979 8.4% 1960–1969 17.1% 1950–1959 18.0% 1940–1949 5.3% 1939 or earlier 9.1%
Bedrooms
Size % of units No bedroom (studio) 1.0% 1 bedroom 5.4% 2 bedrooms 28.4% 3 bedrooms 50.7% 4 bedrooms 13.7% 5+ bedrooms 0.9%
Vehicles per household
Vehicles % of households No vehicle 7.8% 1 vehicle 37.5% 2 vehicles 31.8% 3 or more 22.9%
Heating fuel
Fuel type % Utility gas 34.7% Electricity 58.6% Propane / LP gas 5.4%
Households & families
Household type Count % Married-couple family 534 45.9% Cohabiting couple 41 3.5% Male householder, no spouse 234 20.1% Female householder, no spouse 354 30.4% Households with children under 18 381 32.8% Households with seniors (65+) 394 33.9% Average household size 2.76
Marital status
Status Male Female Never married 32.4% 35.6% Married 49.0% 41.4% Separated 0.0% 1.5% Widowed 6.0% 10.2% Divorced 12.5% 11.3%
Education
Some HS, no diploma
14.7%
Some college, no degree
22.1%
Graduate / professional
3.7%
Metric % HS diploma or higher 76.7% Bachelor's or higher 11.2%
School enrollment (ages 3–17)
Type Count % Nursery / preschool 59 9.1% Kindergarten 58 8.9% Elementary school 291 44.7% High school 147 22.6% College / grad school 96 14.7%
Employment
Industry of employment
Education & healthcare
19.1%
Agriculture & mining
11.0%
Arts, food & hospitality
10.2%
Public administration
6.3%
Finance & real estate
4.8%
Transportation & utilities
4.7%
Professional & management
4.6%
Occupation
Category % Management, business & arts 18.1% Service 19.4% Sales & office 29.0% Natural resources & construction 18.7% Production & transportation 14.8%
Employment type
Type % Private sector 79.6% Government 14.7% Self-employed 5.7% Unpaid family workers 0.0%
Commute
Method % Drive alone 86.7% Carpool 6.2% Public transit 0.0% Walk 2.0% Work from home 2.8% Other means 2.3% Avg commute (minutes) 31.2
Poverty
Married-couple families
7.9%
Female-led households
36.3%
Income support
Source % of households Social Security 34.7% Retirement income 21.9% Supplemental Security 7.4% Cash public assistance 3.1% Food stamps / SNAP 19.3%
Health indicators
Condition % Obesity 40.3% High blood pressure 39.8% High cholesterol 37.2% Diabetes 13.6% Heart disease 8.7% Stroke 4.3% Asthma 9.9% Arthritis 28.8% Kidney disease 3.7% Pulmonary disease 10.2% Cancer 6.9%
Behavior / access % Smoking 25.1% Binge drinking 18.7% No physical activity 34.8% Less than 7 hrs sleep 33.4% Depression 26.8% Fair or poor health 21.5% Poor mental health 18.4% Poor physical health 14.6% No health insurance 15.3% Visited doctor (checkup) 77.8% Visited dentist 51.9% Cholesterol screening 88.3% Teeth loss 20.5%
Veterans & disability
Veterans Count % Civilian veterans 106 4.2%
Disability % Any disability 20.0% Under 18 2.7% 18–64 years 18.6% 65 and over 48.6%
Health insurance coverage
Type % Private insurance 56.5% Public insurance 50.7% No insurance 7.8% Uninsured under 19 0.0%
Language & origin
Language spoken at home (age 5+)
Language Count % English only 3,110 96.9% Spanish 0 0.0% Other Indo-European 0 0.0% Asian & Pacific Islander 0 0.0% Other languages 0 0.0%
Place of birth & citizenship
Origin Count % Native born (US) 3,208 100.0% Born in same state 3,196 99.6% Born in different state 2,947 91.9% Foreign born 12 0.4% Naturalized citizen 0 0.0% Not a US citizen 0 0.0%
Ancestry
Ancestry Count % French 296 9.2% German 285 8.9% Italian 182 5.7%
Ancestry Count % Arab 167 5.2% Polish 4 0.1%
Technology access
Metric % of households Computer access 36.3% Internet access 87.2%
Source: U.S. Census Bureau, American Community Survey 2025 estimates.
Frequently asked questions about ZIP code 70549
What city is ZIP code 70549 in?
ZIP code 70549 is primarily assigned to Lake Arthur, Louisiana.
What county is ZIP code 70549 in?
ZIP code 70549 falls within Jefferson Davis County, Louisiana.
How educated is the population of ZIP code 70549?
11% of residents hold a bachelor's degree or higher — below the national average of ~33%, consistent with a trades-oriented local economy.
What is the poverty rate in ZIP code 70549?
19% of residents in ZIP code 70549 live below the poverty line, above the national average.
What is the typical home value in ZIP code 70549?
The median home value in ZIP code 70549 is $96,800.
What is the median household income in ZIP code 70549?
The median household income in ZIP code 70549 is $39,715, below the national median of ~$75,000.
What timezone is ZIP code 70549 in?
ZIP code 70549 observes the CST timezone.
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