Boulder County, CO vs Costilla County, CO: Cost of Living Difference

Is it cheaper?

Costilla County, CO is cheaper than Boulder County, CO.

Moving to Costilla County, CO is estimated to save $12,941 per year.

Cheaper cost of living

Cheaper County

Costilla County, COSave about $12,941 per year.

Salary needed

$50,000 in Boulder County, CO is about $39,120 in Costilla County, CO.

Biggest drivers

Transport increases by $1,793 per year. Housing saves $9,108 per year.

Housing: $9,108 lower in Costilla County, CO

Taxes: $3,590 lower in Costilla County, CO

Childcare: about the same in both counties

Healthcare: $1,305 higher in Costilla County, CO

Food: $393 lower in Costilla County, CO

Transport: $1,793 higher in Costilla County, CO

Boulder County, COCostilla County, CO
Equivalent salary in Costilla County, CO
$39,120
-21.76% lower
Current salary: $50,000
Household: 1 adult · 0 children
Median Income in Boulder County, CO: $142,534
Median Income in Costilla County, CO: $55,491
Living Index in Boulder County, CO 41.72%
Living Index in Costilla County, CO 83.83%

This estimate matches your purchasing power (equivalent salary) when moving from Boulder County, CO to Costilla County, CO.

* 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 Boulder County, CO to Costilla County, CO is estimated to save $12,941 per year. A $50,000 salary in Boulder County, CO would have similar purchasing power to about $39,120 in Costilla County, CO. The largest savings come from housing and taxes.

This is a -21.76% decrease in modeled annual costs. Housing is $9,108 per year lower (-51.77%); Taxes is $3,590 per year lower (-29.23%).

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 Boulder County, CO and Costilla County, CO, so the page highlights the budget tradeoffs behind the total.

Salary needed

A $50,000 salary in Boulder County, CO would need to be about $39,120 in Costilla County, CO, or $10,880 less, to match the modeled cost ratio.

Affordability vs median income

Modeled annual costs equal about 41.7% of median family income in Boulder County, CO and 83.8% in Costilla County, CO. This matters because a cheaper county can still feel tight if typical local incomes are also lower.

Housing

Housing is $9,108 per year lower in Costilla County, CO than in Boulder County, CO. Housing usually behaves like a fixed monthly commitment, so this matters most for renters or buyers checking whether Costilla County, CO changes their baseline budget.

Food

Food is $393 per year lower in Costilla County, CO than in Boulder County, CO. Food costs affect weekly cash flow, so even a smaller annual gap in Costilla County, CO can show up quickly for households that cook most meals at home.

Transportation

Transportation is $1,793 per year higher in Costilla County, CO than in Boulder County, CO. Transportation matters for commuters because driving distance, vehicle costs, and transit access can change how much of a salary is left after getting around Costilla County, CO.

Healthcare

Healthcare is $1,305 per year higher in Costilla County, CO than in Boulder County, CO. Healthcare differences are useful for planning premiums and out-of-pocket exposure, especially if Costilla County, CO changes provider networks or plan options.

Other necessities

Other necessities is $2,950 per year lower in Costilla County, CO than in Boulder County, CO. Other necessities cover everyday basics, so changes in Costilla County, CO help explain the non-housing costs that can quietly add up month after month.

Childcare

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

Taxes

Taxes is $3,590 per year lower in Costilla County, CO than in Boulder County, CO. Taxes affect take-home pay, so the gap in Costilla County, CO 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 Costilla County, CO.

Biggest Cost
Largest annual cost increase when moving to Costilla County, CO
Annual Increase:

$1,793 per year

TRANSPORT has the largest annual increase when moving to Costilla County, CO.

Biggest Savings
Largest annual savings when moving to Costilla County, CO
Annual Savings:

$9,108 per year

HOUSING has the largest annual savings when moving to Costilla County, CO.

Breakdown of price percentages per category.

Numbers are average costs per section.

CategoryDifference
Housing-52% lower
Food-8% lower
Transport14% higher
Healthcare26% higher
Other Costs-42% lower
Childcare0% higher
Taxes-29% lower

In Costilla County, CO, modeled annual costs are $46,519 compared with $59,460 in Boulder County, CO.

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

In this case Costilla County, CO is not a metropolitan location, while Boulder County, CO is a metropolitan location.

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Cost of living methodology and data sources
Boulder County, CO vs Costilla County, CO Cost of Living (2026)