ZIP Code 70665
standardSulphur · 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)
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
standard
ZIP Type
Demographics
35.7
Median Age
46.3%
Male
53.7%
Female
5.5%
Foreign-Born
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
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
$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
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Frequently Asked Questions
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ZIP Code Research Guides
Research Sulphur, LA on Other Data Sources
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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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Read our methodology — how this data is sourced, computed, and verified.