Port Jefferson, NY vs Lake Grove, NY: Cost of Living

Which city costs less?

Lake Grove, NY has a modeled overall cost index 2.4% higher than Port Jefferson, NY.

Port Jefferson, NY · modeled 2BR rent: $2,830 / month
Lake Grove, NY · modeled 2BR rent: $2,840 / month

These are saved estimates, not current rental listings. Some cities use adjusted regional data. Your household budget can differ from the overall index. Sources and assumptions

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Cost of Living Comparison 2026

Compare Port Jefferson, NY and Lake Grove, NY using saved regional data and explicit budgeting assumptions. Rent estimates are not live listings. Change the salary below, then check the source notes before applying a result to your household.

Saved regional estimates · Sources and assumptions

Current salary in Port Jefferson, NY

Numbers update automatically as you type

Estimated extra cost: $159/month in Lake Grove, NY

$150,000 in your current city has a modeled equivalent of $151,908 in Lake Grove, NY

Regional cost estimates: Port Jefferson, NY uses New York, NY. Lake Grove, NY uses New York, NY. Available city ZIP rent estimates are shown separately.

Overall Cost

↑ 2.4%

More expensive

Monthly Impact

$159

Extra cost

Annual Impact

$1.9K

Per year

Assumes 60% of current gross income goes to living costs. The headline uses the category budget below; taxes, moving costs and savings goals are excluded.

Port Jefferson, NY

Population:8K

Cost Index:

132.3

100 = national average

Typical Home:$763K

Lake Grove, NY

Population:11K

Cost Index:

135.4

100 = national average

Typical Home:$700K

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Port Jefferson, NY

The Empire State

Population

State Tax

Yes

Located in New York, this city has a population of 8K residents.

Lake Grove, NY

The Empire State

11K

Population

State Tax

Yes

Located in New York, this city has a population of 11K residents.

Cost Breakdown by Category

Estimated monthly spending: Port Jefferson, NY vs Lake Grove, NY

Assumes 60% of your current gross income is spent on these categories. The headline and totals use this same budget. Rent estimates below are separate reference data. Rounded amounts may differ by $1.

Category	Port Jefferson, NY	Lake Grove, NY	Difference	Change
Housing	$3,886/mo	$3,978/mo	↑ $92.01more	2.4%
Other	$1,148/mo	$1,176/mo	↑ $27.19more	2.4%
Transportation	$905/mo	$926/mo	↑ $21.42more	2.4%
Groceries	$741/mo	$750/mo	↑ $8.73more	1.2%
Healthcare	$438/mo	$443/mo	↑ $5.15more	1.2%
All Utilities	$382/mo	$386/mo	↑ $4.49more	1.2%

Housing

↑ 2.4%

Port Jefferson, NY

$3,886

Lake Grove, NY

$3,978

Difference

$92.01

Other

↑ 2.4%

Port Jefferson, NY

$1,148

Lake Grove, NY

$1,176

Difference

$27.19

Transportation

↑ 2.4%

Port Jefferson, NY

$905

Lake Grove, NY

$926

Difference

$21.42

Groceries

↑ 1.2%

Port Jefferson, NY

$741

Lake Grove, NY

$750

Difference

$8.73

Healthcare

↑ 1.2%

Port Jefferson, NY

$438

Lake Grove, NY

$443

Difference

$5.15

All Utilities

↑ 1.2%

Port Jefferson, NY

$382

Lake Grove, NY

$386

Difference

$4.49

🏠Rent Comparison

Studio

From$2,050

To$2,060

↑ $10.00

1 Bed

From$2,450

To$2,460

↑ $10.00

2 Bed

From$2,830

To$2,840

↑ $10.00

3 Bed

From$3,670

To$3,680

↑ $10.00

Port Jefferson, NYZIP-level data

1BR range: $2,450–$2,450/mo

Lake Grove, NYZIP-level data

1BR range: $2,460–$2,460/mo

💡 Note: HUD Fair Market Rents estimate 40th-percentile gross rents, including most tenant-paid utilities. City ZIP summaries are medians of those estimates, not market median rents. Actual prices vary by neighborhood, amenities, and condition. Source: HUD Small Area Fair Market Rents FY2026.

$7,500

Monthly in Port Jefferson, NY

$7,659

Monthly in Lake Grove, NY

$159

Difference

Home Values

Port Jefferson

Lake Grove

$763K

Median Value

$700K

↑ +4.8%

YoY Change

↑ +5.5%

↑ +33.3%

5-Year Change

↑ +43.7%

Homes in Lake Grove are 8% less expensive than Port Jefferson

Calculate payment - Port Jefferson Calculate payment - Lake Grove

Source: Zillow Home Value Index (ZHVI), January 2026

Tax Comparison

Annual tax burden comparison at $150.0K salary

Tax Savings

→ $0

Same taxes

Monthly Difference

Same take-home

Effective Rate Diff

0.0%

Rate difference

Port Jefferson, NY

Federal Income Tax

Effective: 18.9%

$25.5K

New York State Tax

Effective: 6.4%

$9.5K

FICA Taxes

Social Security + Medicare

$11.5K

Total Taxes

Effective: 31.0%

$46.6K

Take-Home Pay

$8,620/month

$103.4K

Lake Grove, NY

Federal Income Tax

Effective: 18.9%

$25.5K

New York State Tax

Effective: 6.4%

$9.5K

FICA Taxes

Social Security + Medicare

$11.5K

Total Taxes

Effective: 31.0%

$46.6K

Take-Home Pay

$8,620/month

$103.4K

Additional Tax Information

Port Jefferson, NY Tax Rates

Sales Tax:8.8%

Property Tax:1.2%

Lake Grove, NY Tax Rates

Sales Tax:8.8%

Property Tax:1.2%

💡 Note: Tax calculations are estimates based on 2024/2025 tax brackets for single filers with standard deduction. Actual taxes may vary based on filing status, deductions, credits, and local variations.

Environment

Port Jefferson

Lake Grove

43 Good

Air Quality

43 Good

65.8%

Good Air Days

65.8%

99 High

Climate Risk

99 High

🌊🌀🌡

Top Hazards

🌊🌀🌡

▲+2.7°F

2050 Outlook

▲+2.7°F

11 days

Heat Days >95°F

11 days

▲+2.7°F

2050 Outlook

▲+2.7°F

11 days

Heat Days >95°F

11 days

Before moving from Port Jefferson, NY to Lake Grove, NY

Use this comparison to shortlist a move, then check the costs that depend on your household.

Compare actual homes. Get current quotes in Lake Grove, NY for the same bedroom count and included utilities as your home in Port Jefferson, NY. Add parking, deposits, insurance and any overlapping leases. The rent estimates above are a starting point, not available listings.
Confirm your income. Check your expected pay with your employer, including any location adjustment. Use “Different salary at destination?” above to compare two incomes. The budget model excludes taxes and one-time moving costs; it is not a take-home-pay calculation.
Price your daily routine. Check the commute from a specific address to work, school or childcare. Add household expenses missing from this model, such as childcare, debt payments and medical needs. Verify local services before signing a lease.
Plan the transition. Get moving quotes and budget for travel, setup costs and time off. Open your Port Jefferson to Lake Grove moving checklist to organize the tasks and timing.

Still choosing a destination? Explore cities similar to Lake Grove, NY by cost, housing, population and region.

Frequently Asked Questions: Port Jefferson, NY vs Lake Grove, NY

How do the cost estimates for Port Jefferson, NY and Lake Grove, NY compare?

Lake Grove, NY has a modeled overall cost index 2.4% higher than Port Jefferson, NY. This is a broad model comparison, not a survey of today's prices or a forecast of your household spending. Some cities use adjusted regional fallback data.

What does the equivalent salary mean?

At a $150,000 salary in Port Jefferson, NY, the model estimates $151,908 in Lake Grove, NY. It allocates 60% of gross income to the origin city’s category budget and applies each destination category’s relative cost. The equivalent salary adds the total category difference to your income. The monthly difference is the same category difference divided by 12; it is not take-home pay or guaranteed savings. Household size, childcare and your actual lease are not inputs to this calculation.

What rent estimates are available for Port Jefferson, NY and Lake Grove, NY?

The modeled two-bedroom rents are $2,830/month in Port Jefferson, NY and $2,840/month in Lake Grove, NY. Where available, the source is a city median of HUD FY2026 ZIP-level estimates; otherwise a saved metro table is used. City adjustments may also apply. These are not asking rents or available listings. Compare actual properties with the same bedroom count and included utilities.

How should I use this comparison before moving?

Use it to shortlist locations, then replace modeled costs with a current housing quote, employer-confirmed income, commute costs, insurance and your household's other expenses. Add one-time moving costs separately. Source years differ and the saved datasets are not a live price feed. Read the methodology for the formulas and fallback rules.