Central Islip, NY

Very High · 147

New York · Population 37,751 · Updated March 2026

$2,106
Median Rent / Month
$110,166
Median Income
$405,000
Median Home Value
$2,405
Owner Costs / Month

Affordability

How far your income goes in Central Islip

22.9%
Rent-to-Income Ratio
Affordable
Rent takes less than 25% of median income — considered affordable by HUD standards.

Tax Burden in New York

State-level tax rates that affect your costs

10.9%
Income Tax (Top Rate)
4.0%
Sales Tax
1.62%
Property Tax Rate

Estimated Annual Costs

$25,272
Annual Rent
$12,008
State Income Tax
$6,561
Property Tax (est.)

Cost of Living Overview

Central Islip has a significantly higher cost of living than most US cities, driven largely by premium housing costs. With a cost index of 147 (where 100 equals the national median), Central Islip residents can expect to pay median rent of $2,106/month while earning a median household income of $110,166/year.

The median home value in Central Islip, NY is $405,000, with typical monthly owner costs around $2,405 including mortgage, insurance, and taxes. The median rent-to-income ratio of 22.9% means housing is relatively affordable here — well below the 30% threshold that HUD considers cost-burdened.

New York's top income tax rate of 10.9% is among the highest in the nation, adding to the overall cost burden. Combined with a 4.0% sales tax rate and 1.62% effective property tax rate, the overall tax environment is a factor in the total cost of living in Central Islip.

Frequently Asked Questions

Common questions about living costs in Central Islip

What is the cost of living in Central Islip, NY?
The cost of living index in Central Islip, NY is 147 (US average = 100). Median monthly rent is $2,106, median household income is $110,166/year, and the median home value is $405,000.
Is Central Islip, NY affordable?
No, Central Islip is more expensive than the national average with a cost index of 147. The rent-to-income ratio is 22.9%—below the 30%% threshold considered affordable by HUD.
What is the average rent in Central Islip, NY?
The median gross rent in Central Islip, NY is $2,106 per month according to the US Census Bureau ACS 2023 data. Annual rent costs approximately $25,272.
What is the median household income in Central Islip?
The median household income in Central Islip, NY is $110,166 per year. This compares to the national median of approximately $80,000.
What are the taxes like in New York?
New York has a top income tax rate of 10.9%, a sales tax of 4.0%, and an effective property tax rate of 1.62%.