How Cost of Living Comparison Works
The cost of living index measures the relative expense of living in a specific location compared to the national average (index = 100). A city with an index of 130 is 30% more expensive than average, while a city at 80 is 20% cheaper. The index considers housing, groceries, utilities, transportation, healthcare, and other necessities. Housing typically accounts for the largest variation between cities.
- 1Cost difference: 180 / 100 = 1.80 (80% more expensive)
- 2Required salary: $75,000 x 1.80 = $135,000
- 3Salary difference: $135,000 - $75,000 = $60,000 more needed
- 4Current rent ($1,500): Estimated in SF = $1,500 x 1.80 = $2,700
Cost of Living Index by Major City (2026)
| City | Overall Index | Housing Index | Groceries Index |
|---|---|---|---|
| San Francisco, CA | 180 | 290 | 115 |
| New York, NY (Manhattan) | 187 | 340 | 120 |
| Boston, MA | 148 | 195 | 108 |
| Seattle, WA | 147 | 200 | 110 |
| Los Angeles, CA | 146 | 220 | 105 |
| Washington, DC | 140 | 175 | 108 |
| Denver, CO | 120 | 140 | 103 |
| Austin, TX | 108 | 115 | 95 |
| Dallas, TX | 100 | 95 | 96 |
| Nashville, TN | 97 | 95 | 95 |
| Phoenix, AZ | 98 | 100 | 96 |
| Atlanta, GA | 96 | 88 | 98 |
| Houston, TX | 93 | 82 | 93 |
| Kansas City, MO | 88 | 72 | 95 |
| Oklahoma City, OK | 85 | 68 | 94 |
Housing Drives Most Cost Differences
Housing costs account for 60-80% of cost of living differences between cities. In San Francisco, the median 1-bedroom apartment rents for $3,200/month compared to $1,200 in Dallas. Meanwhile, groceries, utilities, and transportation vary by only 10-25% between most cities. When evaluating a job in a new city, focus primarily on housing costs, as they will have the largest impact on your budget.
If you earn a San Francisco salary ($135,000) while living in Dallas (cost index 100), your purchasing power is equivalent to $243,000 in SF terms. This geo-arbitrage is why remote workers often choose to live in lower-cost cities while earning high-cost-city salaries.
Factors Beyond the Cost Index
- State income tax: Moving from Texas (0%) to California (up to 13.3%) significantly reduces take-home pay
- Property tax: Varies from 0.28% (Hawaii) to 2.23% (New Jersey)
- Sales tax: Ranges from 0% to 9.55% combined state and local
- Commute costs: $200-$500/month transit vs. $300-$700/month car in cities
- Climate: Heating/cooling costs vary dramatically (Arizona AC vs. Minnesota heating)
- Healthcare costs: Can vary 20-40% between regions
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