PlainZIP

Sulphur, LA · standard

ZIP Code 70665

Calcasieu County, Louisiana - Census ACS demographics, housing tenure, and business patterns, benchmarked against every US ZIP.

10,743
26/sq mi
$86,573
Median income
$236,800
Median home value
21.5%
Bachelor's or higher

The verdict

Sulphur pairs an above-median household income with above-median home values, in a rural, homeowner-dominated area.

Top 30%
household income, US ZIPs
Top 46%
home value, US ZIPs
26
people per sq mi
82%
owner-occupied homes

Source: U.S. Census Bureau ACS 5-Year Estimates (2019–2023). Percentiles rank ZIP 70665 against every reporting US ZIP.

ZIP code 70665 is a mid-sized community (a standard USPS delivery area) in Sulphur, Calcasieu County, Louisiana, home to 10,743 residents across 416.4 square miles, a density of 26 people per square mile, in the Chicago time zone.

ZIP 70665 lands in the middle-income range, with a median household income of $86,573 (45% above the Louisiana average), while per-capita income is $40,131. 14.6% of residents live below the poverty line, and the unemployment rate reads 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.

Educational attainment sits below the national norm: 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 on this page is sourced from the U.S. Census Bureau American Community Survey 5-Year Estimates (including median rent) and the FHFA House Price Index, no estimates, no proprietary scoring. Verify with Census →

Top industries in ZIP 70665

Top 5 sectors by establishment count in Sulphur, LA

Which industries have the most business establishments in ZIP 70665.

establishments

What this shows Establishment counts come from the Census ZIP Code Business Patterns program, which counts physical business locations rather than employees or revenue.

Source U.S. Census Bureau · ZIP Code Business Patterns (ZBP) As of 2023

Source: U.S. Census Bureau, American Community Survey 5-Year Estimates + ZIP Code Business Patterns + FHFA HPI ACS demographics and median rent, ZBP business establishments, 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; FHFA HPI updated quarterly/annually.

Quick Facts

10,743

Population

416.4

Area (sq mi)

26

People / sq mi

Chicago

Time Zone

standard

ZIP Type

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

Who lives in ZIP 70665?

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)

How much do residents earn?

$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

How ZIP 70665 ranks nationally

Sulphur, LA household income vs. every US ZIP code

Median household income, the full national distribution, with this ZIP marked

$86,573 Top 30% higher than 70% of 30,318 US ZIPs

$0–$20,000: 118 US ZIPs (0%). Below this entry. $20,000–$40,000: 1,573 US ZIPs (5%). Below this entry. $40,000–$60,000: 7,092 US ZIPs (23%). Below this entry. $60,000–$80,000: 9,980 US ZIPs (33%). Below this entry. $80,000–$100,000: 5,778 US ZIPs (19%). This entry sits in this band. $100,000–$120,000: 2,855 US ZIPs (9%). Above this entry. $120,000–$140,000: 1,362 US ZIPs (4%). Above this entry. $140,000–$160,000: 686 US ZIPs (2%). Above this entry. $160,000–$180,000: 364 US ZIPs (1%). Above this entry. $180,000–$200,000: 186 US ZIPs (1%). Above this entry. $200,000–$220,000: 324 US ZIPs (1%). Above this entry. This ZIP $0 $200K+ every reporting US ZIP, bucketed by value

Each bar is a $20K-wide band; taller bars hold more US ZIPs. The dashed line + filled bar mark this entry. Hover or tap any bar for its full count, share, and where it sits relative to this entry.

Source U.S. Census Bureau, ACS 5-Year Estimates · 2019–2023

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

What is the education profile here?

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

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

What does housing look like?

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)

How have home values changed over time?

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.

What businesses operate in this ZIP?

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

70605 standard
Lake Charles, LA
Pop: 32,741
70601 standard
Lake Charles, LA
Pop: 32,384
70663 standard
Sulphur, LA
Pop: 28,150
70607 standard
Lake Charles, LA
Pop: 25,560
70611 standard
Lake Charles, LA
Pop: 19,256
70615 standard
Lake Charles, LA
Pop: 14,335

Related Areas

Calcasieu County Sulphur, LA Louisiana

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.

Read our methodology to see how this data is sourced, computed, and verified.