Purchasing Power by City: A Reproducible COL Method

Scope and Formula

This page owns methodology. The prior version claimed a unpublished composite and lifestyle conclusions. It now explains one transparent cost-index adjustment and its limits.

Example Low-Index Records

City	COL	1BR rent	Income	Home price
Fort Smith, AR	85.1	$678	$54,009	$218,000
Brownsville, TX	85.2	$761	$49,920	$245,500
Edinburg, TX	85.6	$781	$61,059	$265,000
McAllen, TX	85.6	$781	$60,200	$296,500
Mission, TX	85.6	$781	$60,512	$292,500
Pharr, TX	85.6	$1,070	$57,171	$190,000

How to Use the Adjustment

Choose a nominal salary or budget and apply the formula consistently. Then inspect housing separately because a broad index can hide rent or ownership differences. Do not rank cities from adjusted value alone.

A valid comparison keeps the same nominal amount across cities. Comparing local median incomes answers a different question: the economic context of typical households. The companion shortlist article focuses on household inputs, while the $100K article holds salary fixed.

Worked Example

Suppose the same $75,000 nominal income is evaluated in a city with an index of 85 and another with an index of 115. The screen returns about $88,235 and $65,217 in national-average purchasing-power terms. That does not mean either household receives those dollar amounts. It shows the direction and approximate scale of general price differences under the index.

Now inspect housing separately. If the lower-index city requires a different unit, longer commute or lower destination salary, the broad advantage can shrink. If the employer applies geographic pay, recalculate with the confirmed destination salary rather than the original salary.

Reproducibility checks

Keep nominal dollars fixed when comparing price levels.
Do not mix a salary ratio with a home-price ratio.
Preserve decimals until the final displayed value.
Record snapshot date and index geography.
Treat identical regional indexes as shared source values, not city-level precision.

🧮 How Far Does YOUR Salary Go?

This article uses $50K as a benchmark, but your situation is unique. Use our free tools to calculate your exact purchasing power in any of these cities.

🔄 Salary Equivalence Calculator 🔍 Career Arbitrage Tool 🏙️ Compare All 714 Cities

📊 Methodology

Methodology and Limits

For a fixed nominal amount, adjusted value equals amount × 100 ÷ COL index. A value above the nominal amount indicates below-100 general costs; a value below it indicates above-100 costs. The index is a broad composite and may share regional source values. It does not model taxes, household size, personal consumption, employer pay, debt or wealth. Rent, income and home price are shown separately and are not blended into an unpublished score.

Data Sources

✓ Ocity production cities database snapshot — exported July 12, 2026

❓ Frequently Asked Questions

What is the formula?

▼

Nominal dollars multiplied by 100 and divided by the city cost-of-living index.

Is adjusted value take-home pay?

▼

No. It does not calculate taxes or benefits.

Does a low index guarantee a better life?

▼

No. Preferences, employment, services and neighborhood conditions are separate.

Can I compare home prices directly with rent?

▼

No. They describe different housing and require separate financing and ownership assumptions.

What is the data date?

▼

The production city snapshot was exported July 12, 2026.

📝 Editor's Verdict

Bottom Line

Purchasing power is a screening concept, not a lifestyle verdict. Replace the fixed salary and citywide averages with actual household income, suitable housing and complete recurring costs before deciding.