What does WatchPennies calculate?

WatchPennies estimates cost of living by US county across housing, food, transportation, healthcare, childcare, other necessities, taxes, and income context.

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Can I compare two counties on WatchPennies?

Yes. WatchPennies lets you compare counties and adjust salary and family type to estimate relative cost differences.

What does the St. Louis County, MO vs El Paso County, TX comparison show?

It compares estimated living costs by category, including housing, food, transportation, healthcare, childcare, other necessities, taxes, and income context.

Can I change the salary and family type?

Yes. The comparison calculator supports salary and family type inputs so you can model costs for different households.

Does WatchPennies require an account for comparisons?

No. County comparisons are available without creating an account.

St. Louis County, MO vs El Paso County, TX: Cost of Living Difference

Is it cheaper?

El Paso County, TX is cheaper than St. Louis County, MO.

Moving to El Paso County, TX is estimated to save $7,082 per year.

Cheaper County

El Paso County, TXSave about $7,082 per year.

Salary needed

$50,000 in St. Louis County, MO is about $42,665 in El Paso County, TX.

Biggest drivers

Transport increases by $518 per year. Taxes saves $3,002 per year.

Housing: $2,476 lower in El Paso County, TX

Taxes: $3,002 lower in El Paso County, TX

Childcare: about the same in both counties

Healthcare: $8 higher in El Paso County, TX

Food: $1,039 lower in El Paso County, TX

Transport: $518 higher in El Paso County, TX

St. Louis County, MO→El Paso County, TX

Equivalent salary in El Paso County, TX

$42,665

-14.67% lower

Current salary: $50,000

Household: 1 adult · 0 children

Median Income in St. Louis County, MO: $108,392

Median Income in El Paso County, TX: $65,744

Living Index in St. Louis County, MO 44.53%

Living Index in El Paso County, TX 62.65%

This estimate matches your purchasing power (equivalent salary) when moving from St. Louis County, MO to El Paso County, TX.

* 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 St. Louis County, MO to El Paso County, TX is estimated to save $7,082 per year. A $50,000 salary in St. Louis County, MO would have similar purchasing power to about $42,665 in El Paso County, TX. The largest savings come from taxes and housing.

This is a 14.67% decrease in modeled annual costs. Taxes is $3,002 per year lower (32.6%); Housing is $2,476 per year lower (20.08%).

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

What changed the most?

The following cards show the annual category differences that most affect the move to El Paso County, TX.

Biggest Cost

Largest annual cost increase when moving to El Paso County, TX

Annual Increase:

$518 per year

TRANSPORT has the largest annual increase when moving to El Paso County, TX.

Biggest Savings

Largest annual savings when moving to El Paso County, TX

Annual Savings:

$3,002 per year

TAXES has the largest annual savings when moving to El Paso County, TX.

Breakdown of price percentages per category.

Numbers are average costs per section.

Category	Difference
Housing	-20.08% lower
St. Louis County, MO El Paso County, TX Average Cost $12328.00 $9852.00 INFO: Housing costs are based on Department of Housing and Urban Development data. The estimate uses 40th percentile rent for privately owned rental units in each area. Studio apartments are paired with one-adult households, one-bedroom apartments with two-adult households, and two-bedroom apartments with households that have children.
Food	-21.96% lower
St. Louis County, MO El Paso County, TX Average Cost $4731.00 $3692.00 INFO: Food costs are based on the U.S. Department of Agriculture's food plans. Numbers are normalized to each area using Feeding America and Meal Gap data. This estimate assumes most food is bought at local grocery stores and prepared at home.
Transport	4.42% higher
St. Louis County, MO El Paso County, TX Average Cost $11710.00 $12228.00 INFO: Transportation costs are a combination of auto ownership, auto use, and public transit. Data is collected from the Center for Neighborhood Technology (CNT).
Healthcare	0.16% higher
St. Louis County, MO El Paso County, TX Average Cost $4996.00 $5004.00 INFO: Healthcare expenses come from average insurance premiums and out-of-pocket costs. The estimate assumes families purchase the lowest-cost available insurance plan under the Affordable Care Act. Data comes from Kaiser Family Foundation and the U.S. Department of Health and Human Services (HHS).
Other Costs	-20.60% lower
St. Louis County, MO El Paso County, TX Average Cost $5296.00 $4205.00 INFO: This cost is calculated through the average spending of categories deemed necessary by the Bureau of Labor Statistics Consumer Expenditure Survey. These include apparel, personal care, household supplies, reading materials, and school supplies.
Childcare	0.00% higher
St. Louis County, MO El Paso County, TX Average Cost $0.00 $0.00 INFO: Childcare expenses are based on combined costs for center-based care and family-based care for 4-year-olds and school-aged children. For households with one child, the estimate assumes the child is 4 years old. For households with two children, the estimate assumes the second child is 8 years old.
Taxes	-32.60% lower
St. Louis County, MO El Paso County, TX Average Cost $9210.00 $6208.00 INFO: Taxes are calculated from the National Bureau of Economic Research. The number weighs in personal income tax, state income tax, federal Social Security, and Medicare taxes.

In El Paso County, TX, modeled annual costs are $41,190 compared with $48,272 in St. Louis County, MO.

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

In this case El Paso County, TX and St. Louis County, MO are both metropolitan locations.

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