San Mateo County, CA vs Imperial County, CA: Cost of Living Difference

Is it cheaper?

Imperial County, CA is cheaper than San Mateo County, CA.

Moving to Imperial County, CA is estimated to save $46,407 per year.

Cheaper cost of living

Cheaper County

Imperial County, CASave about $46,407 per year.

Salary needed

$50,000 in San Mateo County, CA is about $25,240 in Imperial County, CA.

Biggest drivers

No measured category is higher in Imperial County, CA. Housing saves $19,101 per year.

Housing: $19,101 lower in Imperial County, CA

Taxes: $16,621 lower in Imperial County, CA

Childcare: about the same in both counties

Healthcare: $2,341 lower in Imperial County, CA

Food: $1,823 lower in Imperial County, CA

Transport: $26 lower in Imperial County, CA

San Mateo County, CAImperial County, CA
Equivalent salary in Imperial County, CA
$25,240
-49.52% lower
Current salary: $50,000
Household: 1 adult · 0 children
Median Income in San Mateo County, CA: $184,583
Median Income in Imperial County, CA: $64,569
Living Index in San Mateo County, CA 50.77%
Living Index in Imperial County, CA 73.27%

This estimate matches your purchasing power (equivalent salary) when moving from San Mateo County, CA to Imperial County, CA.

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

Cost of Living Breakdown by Category

Summary

Moving from San Mateo County, CA to Imperial County, CA is estimated to save $46,407 per year. A $50,000 salary in San Mateo County, CA would have similar purchasing power to about $25,240 in Imperial County, CA. The largest savings come from housing and taxes.

This is a -49.52% decrease in modeled annual costs. Housing is $19,101 per year lower (-62.87%); Taxes is $16,621 per year lower (-66.34%).

Below we break down the annual categories behind the difference using Economic Policy Institute 2026 Family Budget data.

Why this comparison matters

These notes use the actual annual cost differences between San Mateo County, CA and Imperial County, CA, so the page highlights the budget tradeoffs behind the total.

Salary needed

A $50,000 salary in San Mateo County, CA would need to be about $25,240 in Imperial County, CA, or $24,760 less, to match the modeled cost ratio.

Affordability vs median income

Modeled annual costs equal about 50.8% of median family income in San Mateo County, CA and 73.3% in Imperial County, CA. This matters because a cheaper county can still feel tight if typical local incomes are also lower.

Housing

Housing is $19,101 per year lower in Imperial County, CA than in San Mateo County, CA. Housing usually behaves like a fixed monthly commitment, so this matters most for renters or buyers checking whether Imperial County, CA changes their baseline budget.

Food

Food is $1,823 per year lower in Imperial County, CA than in San Mateo County, CA. Food costs affect weekly cash flow, so even a smaller annual gap in Imperial County, CA can show up quickly for households that cook most meals at home.

Transportation

Transportation is $26 per year lower in Imperial County, CA than in San Mateo County, CA. Transportation matters for commuters because driving distance, vehicle costs, and transit access can change how much of a salary is left after getting around Imperial County, CA.

Healthcare

Healthcare is $2,341 per year lower in Imperial County, CA than in San Mateo County, CA. Healthcare differences are useful for planning premiums and out-of-pocket exposure, especially if Imperial County, CA changes provider networks or plan options.

Other necessities

Other necessities is $6,497 per year lower in Imperial County, CA than in San Mateo County, CA. Other necessities cover everyday basics, so changes in Imperial County, CA help explain the non-housing costs that can quietly add up month after month.

Childcare

Childcare is about the same in San Mateo County, CA and Imperial County, CA, so this category is not a major driver of the modeled gap. Childcare is most important for households with children; in Imperial County, CA, this line can swing the result even when housing or taxes look manageable.

Taxes

Taxes is $16,621 per year lower in Imperial County, CA than in San Mateo County, CA. Taxes affect take-home pay, so the gap in Imperial County, CA matters even if the headline salary looks similar before deductions.

What changed the most?

The following cards show the annual category differences that most affect the move to Imperial County, CA.

Biggest Cost
Largest annual cost increase when moving to Imperial County, CA
Annual Increase:

No increase

No measured category is higher in Imperial County, CA.

Biggest Savings
Largest annual savings when moving to Imperial County, CA
Annual Savings:

$19,101 per year

HOUSING has the largest annual savings when moving to Imperial County, CA.

Breakdown of price percentages per category.

Numbers are average costs per section.

CategoryDifference
Housing-63% lower
Food-34% lower
Transport-0% higher
Healthcare-31% lower
Other Costs-59% lower
Childcare0% higher
Taxes-66% lower

In Imperial County, CA, modeled annual costs are $47,311 compared with $93,718 in San Mateo County, CA.

Overall, annual costs are lower in Imperial County, CA. The category breakdown above shows where the move creates the most room in the budget.

In this case Imperial County, CA and San Mateo County, CA are both metropolitan locations.

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Cost of living methodology and data sources
San Mateo County, CA vs Imperial County, CA Cost of Living (2026)