Port Jefferson, NY vs Washington, DC: Cost of Living

Which city costs less?

Washington, DC has a modeled overall cost index 14.9% higher than Port Jefferson, NY.

Port Jefferson, NY · modeled 2BR rent: $2,830 / month
Washington, DC · modeled 2BR rent: $2,470 / 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 Washington, DC 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: $1,206/month in Washington, DC

$150,000 in your current city has a modeled equivalent of $164,474 in Washington, DC

Regional cost estimates: Port Jefferson, NY uses New York, NY. Washington, DC uses Washington-Arlington-Alexandria, DC-VA-MD-WV Metropolitan Area. Available city ZIP rent estimates are shown separately.

Overall Cost

↑ 14.9%

More expensive

Monthly Impact

$1,206

Extra cost

Annual Impact

$14.5K

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

Washington, DC

Population:690K

Cost Index:

152.0

100 = national average

Typical Home:$556K

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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.

Washington, DC

The District of Columbia

690K

Population

State Tax

Yes

Climate

Humid subtropical

Notable Facts

•Nations capital
•No voting representation in Congress
•Major international city

Major Industries

GovernmentProfessional ServicesTourismEducation

Cost Breakdown by Category

Estimated monthly spending: Port Jefferson, NY vs Washington, DC

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	Washington, DC	Difference	Change
Housing	$3,886/mo	$4,454/mo	↑ $568more	14.6%
Transportation	$905/mo	$1,352/mo	↑ $447more	49.4%
Other	$1,148/mo	$1,309/mo	↑ $160more	14.0%
Groceries	$741/mo	$774/mo	↑ $32.55more	4.4%
All Utilities	$382/mo	$364/mo	↓ $17.34less	4.5%
Healthcare	$438/mo	$453/mo	↑ $15.60more	3.6%

Housing

↑ 14.6%

Port Jefferson, NY

$3,886

Washington, DC

$4,454

Difference

$568

Transportation

↑ 49.4%

Port Jefferson, NY

$905

Washington, DC

$1,352

Difference

$447

Other

↑ 14.0%

Port Jefferson, NY

$1,148

Washington, DC

$1,309

Difference

$160

Groceries

↑ 4.4%

Port Jefferson, NY

$741

Washington, DC

$774

Difference

$32.55

All Utilities

↓ 4.5%

Port Jefferson, NY

$382

Washington, DC

$364

Difference

$17.34

less

Healthcare

↑ 3.6%

Port Jefferson, NY

$438

Washington, DC

$453

Difference

$15.60

🏠Rent Comparison

Studio

From$2,050

To$2,150

↑ $100

1 Bed

From$2,450

To$2,215

↓ $235

2 Bed

From$2,830

To$2,470

↓ $360

3 Bed

From$3,670

To$3,115

↓ $555

Port Jefferson, NYZIP-level data

1BR range: $2,450–$2,450/mo

Washington, DCZIP-level data

1BR range: $1,340–$3,020/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

$8,706

Monthly in Washington, DC

$1,206

Difference

Home Values

Port Jefferson

Washington

$763K

Median Value

$556K

↑ +4.8%

YoY Change

↓ -2.2%

↑ +33.3%

5-Year Change

↓ -5.6%

$763K

Price Range

$233K - $1.35M

Homes in Washington are 27% less expensive than Port Jefferson

Calculate payment - Port Jefferson Calculate payment - Washington

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

Tax Comparison

Annual tax burden comparison at $150.0K salary

Tax Savings

↓ $1.6K

More taxes

Monthly Difference

$134

Less take-home

Effective Rate Diff

1.1%

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

Washington, DC

Federal Income Tax

Effective: 18.9%

$25.5K

District of Columbia State Tax

Effective: 7.4%

$11.2K

FICA Taxes

Social Security + Medicare

$11.5K

Total Taxes

Effective: 32.1%

$48.2K

Take-Home Pay

$8,486/month

$101.8K

Additional Tax Information

Port Jefferson, NY Tax Rates

Sales Tax:8.8%

Property Tax:1.2%

Washington, DC Tax Rates

Sales Tax:6.0%

Property Tax:0.6%

💡 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.

🚶 Walkability

Modeled road attributes, not a safety assessment. Methodology and limitations

Port Jefferson, NY: No data yet

Washington, DC

26/100

3% sidewalk tags · 2.3% cycling tags

Environment

Port Jefferson

Washington

43 Good

Air Quality

45 Good

65.8%

Good Air Days

63.7%

99 High

Climate Risk

98 High

🌊🌀🌡

Top Hazards

🌊🌀🌡

▲+2.7°F

2050 Outlook

▲+2.9°F

11 days

Heat Days >95°F

27 days

▲+2.7°F

2050 Outlook

▲+2.9°F

11 days

Heat Days >95°F

27 days

Before moving from Port Jefferson, NY to Washington, DC

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

Compare actual homes. Get current quotes in Washington, DC 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 Washington moving checklist to organize the tasks and timing.

Still choosing a destination? Explore cities similar to Washington, DC by cost, housing, population and region.

Frequently Asked Questions: Port Jefferson, NY vs Washington, DC

How do the cost estimates for Port Jefferson, NY and Washington, DC compare?

Washington, DC has a modeled overall cost index 14.9% 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 $164,474 in Washington, DC. 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 Washington, DC?

The modeled two-bedroom rents are $2,830/month in Port Jefferson, NY and $2,470/month in Washington, DC. 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.

💰 See how taxes change too — compare take-home pay between New York and Washington DC on TaxTakeHome.com