ZIP Code 70665

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Sulphur · Calcasieu County · Louisiana

ZIP code 70665 in Sulphur, Louisiana has a population of 10,743. The median household income is $86,573, which is 13% above the national average. Median home value is $236,800, 15% below the US average. 21.5% of residents hold a bachelor's degree or higher.

ZIP code 70665 is classified by USPS as a standard delivery area and covers roughly 416.4 square miles in Sulphur, Calcasieu County, Louisiana. The area is home to 10,743 residents, producing a population density of 26 people per square mile, and falls within the Chicago time zone. These USPS and Census boundary values drive every downstream statistic on this page, including the benchmarks that compare 70665 against Louisiana and the nation.

On the economic side, the median household income for ZIP 70665 sits at $86,573 (45% above the Louisiana average), while per-capita income is $40,131. The poverty rate stands at 14.6% and the unemployment rate at 2.6%. On housing, the median home value is $236,800 (34% above the state average) with median rent at $1,407 per month, and 82.2% of occupied units are owner-occupied — a direct signal of whether 70665 behaves more like a homeowner neighborhood or a renter-heavy ZIP.

Education and household profile round out the picture: 21.5% of adults hold a bachelor's degree or higher, the median age is 35.7, and the average commute is 21 minutes. We also surface 1 nearby ZIP codes within roughly 10 miles and 6 additional ZIPs sharing Calcasieu County, so you can benchmark 70665 against its immediate geography rather than a national average alone. Every figure is sourced from the U.S. Census Bureau American Community Survey 5-Year Estimates, HUD Fair Market Rents, and FHFA Home Price Index data — no estimates, no proprietary scoring. Verify with HUD →

Top industries in ZIP 70665

Top 5 industries — ZIP 70665 (establishments)

Top 5 industries — ZIP 70665 (establishments) Horizontal bar chart of the top 5 items by value (establishments). Top 5 industries — ZIP 70665 (establishments) Top 5 1. Accommodation and food services 34 2. Retail trade 26 3. Construction 23 4. Wholesale trade 22 5. Administrative and support and w 22 Top 5 NAICS sectors by establishment count in ZIP 70665. Source: U.S. Census Bureau ZIP Code Business Patterns (ZBP).

Source: U.S. Census Bureau — American Community Survey 5-Year Estimates + ZIP Code Business Patterns + HUD FMR + FHFA HPI ACS demographics, ZBP business establishments, HUD Fair Market Rents, FHFA HPI for ZIP 70665, Sulphur, LA · 2023 Census ACS 5-Year Estimates use a rolling 60-month sample for stable small-geography estimates; ZBP updated annually; HUD FMR + FHFA HPI updated quarterly/annually.

Quick Facts

10,743

Population

416.4

Area (sq mi)

26

People / sq mi

Chicago

Time Zone

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ZIP Type

Neighborhood Scorecard
Get an A-F grade across income, safety, housing, rent, education, commute, and childcare for this ZIP code.
View Scorecard →

Demographics

35.7

Median Age

46.3%

Male

53.7%

Female

5.5%

Foreign-Born

White 80.3%
African American 2.7%
Asian 1.5%
American Indian or Alaska Native 0.1%
Native Hawaiian or Pacific Islander 0.0%
Two or More Ethnicities 7.9%
Hispanic or Latino 8.0%

Hispanic or Latino is an ethnicity category from the Census Bureau and may overlap with other categories above.

Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)

Income & Employment

$86,573

Median Household Income

+45% vs state

$40,131

Per Capita Income

14.6%

Poverty Rate

2.6%

Unemployment Rate

20.6 min

Mean Commute Time

Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)

Education

High School Graduate or Higher 54.2%
Bachelor's Degree or Higher 21.5%

Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)

Housing

5,684

Total Housing Units

4,864

Occupied Units

820

Vacant Units

2.72

Avg Household Size

Occupancy Type

Owner 82.2%
Renter 17.8%

$236,800

Median Home Value

+34% vs state

$1,407

Median Rent

2005

Median Year Built

Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)

Home Value Trends

FHFA House Price Index — annual appreciation data based on repeat sales and appraisals

+4.1%

YoY Change (2024)

217

HPI Index (2000 = 100)

+117%

Total Change Since 2000

Home values in ZIP 70665 have increased 4.1% over the past year (2024). Since 2000, this ZIP has seen +117% cumulative appreciation.

Year Annual Change HPI Index
2020 -0.8% 191
2021 +1.6% 194
2022 +7.3% 208
2023 +0.3% 209
2024 +4.1% 217

Source: Federal Housing Finance Agency (FHFA) House Price Index, All-Transactions, Five-Digit ZIP Codes (Developmental Index). Index base = 100 in year 2000. Data through 2024. ZIP codes with few transactions may show missing values.

Local Business Landscape

Census Bureau data shows 238 business establishments in ZIP 70665, employing approximately 5,256 people with a combined annual payroll of $380,657,000.

238

Businesses

5,256

Employees

$380.7M

Annual Payroll

13

Industry Sectors

Industry Establishments % of Total
Accommodation and food services 34 14.3%
Retail trade 26 10.9%
Construction 23 9.7%
Wholesale trade 22 9.2%
Administrative and support and waste management and remediation services 22 9.2%
Real estate and rental and leasing 21 8.8%
Professional, scientific, and technical services 20 8.4%
Other services (except public administration) 18 7.6%
Transportation and warehousing 13 5.5%
Health care and social assistance 12 5.0%
Manufacturing 11 4.6%
Finance and insurance 8 3.4%
Educational services 3 1.3%

Source: U.S. Census Bureau, ZIP Code Business Patterns (ZBP), 2023. Employment figures may include noise for disclosure avoidance.

Nearby ZIP Codes

Want a side-by-side? Compare 70665 vs 70668 →

ZIP Code City Population Distance
70668 Vinton, LA 6,424 9.9 mi

More ZIP Codes in Calcasieu County

Related Areas

Frequently Asked Questions

What county is ZIP code 70665 in?
ZIP code 70665 (Sulphur) is located in Calcasieu County, Louisiana. Calcasieu County contains multiple ZIP codes — see the full list at /counties/calcasieu-la.
What is the population of ZIP code 70665?
ZIP code 70665 in Sulphur, LA has a population of 10,743 according to the Census Bureau ACS 2023 estimates.
What is the median household income in ZIP 70665?
The median household income in ZIP 70665 is $86,573, which is 13% above the national average of $76,288.
What is the average home value in ZIP 70665?
The median home value in ZIP 70665 is $236,800, which is 15% below the national average of $278,155.
What is the demographic makeup of ZIP 70665?
The largest racial group in ZIP 70665 is White at 80.3%. Hispanic or Latino residents make up 8.0% of the population.
How many businesses are in ZIP code 70665?
ZIP code 70665 has 238 business establishments employing approximately 5,256 people, according to Census Bureau ZIP Code Business Patterns (ZBP) 2023 data.
What are the main industries in ZIP code 70665?
The top industries by establishment count in ZIP 70665 are: Accommodation and food services (34), Retail trade (26), Construction (23). There are 13 industry sectors represented in total.
How have home values changed in ZIP code 70665?
According to the FHFA House Price Index, home values in ZIP 70665 increased by 4.1% in 2024. Since 2000, home values in this ZIP have appreciated by approximately 117%. This is a developmental index based on repeat sales and appraisal data from Fannie Mae and Freddie Mac.
What is the education level in ZIP code 70665?
In ZIP code 70665, 54.2% of residents aged 25+ have a high school diploma or higher, and 21.5% hold a bachelor's degree or higher. These figures come from the Census Bureau ACS 5-Year Estimates (2023).
What is the average commute time in ZIP 70665?
The mean commute time for workers in ZIP code 70665 is 20.6 minutes according to Census ACS data. The national average is roughly 26 minutes, so commuters here spend less time traveling to work than typical.
What percentage of residents own vs. rent in ZIP 70665?
In ZIP code 70665, approximately 82.2% of occupied housing units are owner-occupied and 17.8% are renter-occupied, based on Census ACS 2023 data.
What is the poverty rate in ZIP code 70665?
The poverty rate in ZIP code 70665 is 14.6% according to Census Bureau ACS 2023 estimates. This measures the percentage of the population living below the federal poverty threshold.

ZIP Code Research Guides

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Source: U.S. Census Bureau, ACS 5-Year Estimates (2023). Business data: Source: Census ZIP Code Business Patterns (ZBP) 2023. Home value trends: Source: FHFA House Price Index (HPI), Five-Digit ZIP Codes.

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