COMPARE COST OF LIVING

Nassau County, NYContra Costa County, CA

Equivalent salary in Contra Costa County, CA
$50,455
+0.91% higher
Current salary: $50,000
Household: 1 adult · 0 children
Median Income in Nassau County, NY: $165,692
Median Income in Contra Costa County, CA: $146,002
Living Index in Nassau County, NY 41.29
Living Index in Contra Costa County, CA 47.28

This estimate matches your purchasing power (equivalent salary) when moving from Nassau County, NY to Contra Costa County, CA.

* Living index is estimated from (estimated total cost / median_income of area) * 100.A living index above 100% means costs exceed median income.

Cost of Living Breakdown by Category

Summary/TLDR:

Total costs in Nassau County, NY and Contra Costa County, CA are within about 0.91% of each other. The move is less about overall savings and more about swapping which categories are expensive: you’ll feel the difference in specific areas like Healthcare, not in your entire budget. Moving can lead to some savings in Healthcare, and Taxes According to the Economic Policy Institute’s 2025 Family Budget data, Nassau County, NY's Healthcare costs are 18.13% higher ($7,882 vs. $6,453), driving a large part of the cost difference. Movers could potentially save $1,429 in annual expenses. Housing, Food, Transport and Other Costs costs for Contra Costa County, CA , however, rise slightly.

Since Healthcare is one of the biggest drivers of living costs, this gap alone can noticeably change how the move feels month to month. If you have ongoing medical needs or dependents, this difference can be especially important over time.

Below we break down the key differences driving this gap.

What changed the most?

The following numbers represent which categories have the highest and lowest cost increase when moving to Contra Costa County, CA.

Biggest Increase
Highest new COST when moving to Contra Costa County, CA
Average Cost:

$20,520 per year

HOUSING costs are highest in Contra Costa County, CA.

Smallest Increase
Highest money SAVE when moving to Contra Costa County, CA
Average Cost:

$6,453 per year

HEALTHCARE costs are lowest in Contra Costa County, CA.

Breakdown of price percentages per category.

Numbers are average costs per section.

CategoryDifference
Housing6.85% higher
Food5.95% higher
Transport0.80% higher
Healthcare-18.13% lower
Other Costs6.68% higher
Taxes-2.30% lower

In your new location your total average costs would be $69034.00 compared to your previous average costs of $68410.00.

The higher price could be attributed to different factors. For example, larger differences, the delta could be attributed to the fact that a city is a metropolitan location.

In this case Contra Costa County, CA and Nassau County, NY are both metropolitan locations.

Use our map to visually compare multiple counties at once.

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Nassau County, NY vs. Contra Costa County, CA Cost Of Living (2026) | Calculator