Utilities & Infrastructure in Port Jefferson, NY

Water systems, internet access, and utility services

Internet & Broadband Access

Source: Census ACS

Broadband Access

95.9%

of households

Cable / Fiber / DSL

89.3%

of households

No Internet

3.2%

of households

Total Households

3,194

Internet Subscription Types

Cable, Fiber, or DSL
89.3%
Cellular Data Plan
93.5%
Satellite
3.5%
Cellular Only (no wired)
5.6%
No Internet Access
3.2%

Device Ownership

Source: Census ACS

Has Computer

98.4%

of households

Smartphone

96.7%

of households

Desktop / Laptop

91.1%

of households

Tablet

71.1%

of households

Any Computing Device
98.4%
Smartphone
96.7%
Desktop / Laptop
91.1%
Tablet
71.1%
Smartphone Only
5.1%
No Computer
1.6%

Percentage of households with each device type. Data from the U.S. Census Bureau ACS (2023 5-year estimates, tables B28001 & B28002).

Electricity Rates

Source: U.S. Energy Information Administration (2024)

Residential Rate

24.4¢

per kWh

+28% vs <10K avg

Commercial Rate

18.8¢

per kWh

+21% vs <10K avg

Industrial Rate

9.2¢

per kWh

-23% vs <10K avg

Avg Monthly Bill

$140

residential

-5% vs <10K avg

43% above the national average of 17.1¢/kWh

Residential electricity in New York averages 24.4¢ per kWh, compared to the national average of 17.1¢. The average monthly electric bill is $140. State-level averages from EIA Electric Sales & Revenue data (2024).

Port Jefferson vs Similar Cities

Source: EIA (2024)

Comparing electricity rates with randomly selected cities of similar population (Under 10,000). Each city represents its state's average rate.

Residential Rate (¢/kWh)

Commercial Rate (¢/kWh)

Industrial Rate (¢/kWh)

Average Monthly Bill

Water Systems

Source: EPA SDWIS

Water Systems

1

Population Served

150

Violations (5yr)

0

System NameTypeSourcePop. ServedViolations
DIAMOND WOODS ESTATES MHPCommunityGround water1500

95.9% of households in Port Jefferson have broadband internet access. 89.3% have cable, fiber, or DSL service. 5.6% rely solely on cellular data without a wired connection. 3.2% of households have no internet access. 5.1% use only a smartphone without a desktop or laptop. The area is served by 1 water system, providing water to 150 people. No water quality violations have been reported in the past 5 years.