Hawaii is the most expensive U.S. state to live in for 2026 with a cost-of-living index of 112 (national average = 100), followed by California, New Jersey, Massachusetts, and New York. Mississippi is the cheapest at 88, just ahead of Arkansas, Alabama, and West Virginia. Here are the complete 2026 cost-of-living rankings for every state.
Cost of Living by State in 2026
Hawaii is the most expensive U.S. state to live in for 2026, with a cost-of-living index of about 112 — roughly 12% above the national average of 100. California (110), New Jersey (109), Massachusetts (108), and New York (108) follow close behind. At the other end, Mississippi is the cheapest state at 88, meaning everyday costs there run about 12% below the U.S. average and roughly 27% cheaper than Hawaii for the same basket of goods.
The map below shows how the cost of living stacks up across all 50 states. Hover or tap any state to see where it lands. The index sets the U.S. average to 100, so a score of 110 means "about 10% more expensive than the typical American state," and 90 means "about 10% cheaper."
10 Most Expensive States to Live In (2026)
| Rank | State | Cost of Living Index | vs. U.S. Avg |
|---|---|---|---|
| 1 | Hawaii | 112 | +12% |
| 2 | California | 110 | +10% |
| 3 | New Jersey | 109 | +9% |
| 4 | Massachusetts | 108 | +8% |
| 5 | New York | 108 | +8% |
| 6 | Washington | 106 | +6% |
| 7 | Maryland | 106 | +6% |
| 8 | New Hampshire | 105 | +5% |
| 9 | Colorado | 104 | +4% |
| 10 | Oregon | 103 | +3% |
The most expensive states share one thing: housing. In Hawaii, California, and the Northeast corridor, home prices and rents run far above the national average, and housing is the single biggest line item in most household budgets. Check current home values in our median home price by state data and rents in median rent by state.
10 Cheapest States to Live In (2026)
| Rank | State | Cost of Living Index | vs. U.S. Avg |
|---|---|---|---|
| 50 | Mississippi | 88 | -12% |
| 49 | Arkansas | 89 | -11% |
| 48 | Alabama | 89 | -11% |
| 47 | West Virginia | 89 | -11% |
| 46 | Oklahoma | 90 | -10% |
| 45 | Missouri | 90 | -10% |
| 44 | South Dakota | 90 | -10% |
| 43 | Kansas | 90 | -10% |
| 42 | Kentucky | 90 | -10% |
| 41 | Iowa | 90 | -10% |
The cheapest states cluster in the South and the Great Plains, where land is abundant, housing is inexpensive, and wages — while lower — often stretch further. That's why several of these states rank near the top for cost-adjusted income by state, which measures what a paycheck actually buys after local prices are factored in.
Why Cost of Living Varies So Much Between States
The ~27% gap between Hawaii and Mississippi comes down to a handful of structural factors:
- Housing is the biggest driver. Rent and home prices swing far more between states than food or fuel. A coastal metro can cost triple the Midwest for the same square footage. See median home prices and property tax rates by state.
- Geography and shipping. Hawaii and Alaska import most goods, adding a permanent premium to groceries, gas, and utilities. Our gas prices by state tracker shows the same pattern at the pump.
- Wages and demand. High-productivity states (finance, tech, biotech) push up wages, which pushes up prices for housing and services — a feedback loop that keeps coastal metros expensive.
- Taxes. State income, sales, and property taxes change take-home pay and the effective price of goods. No-income-tax states like Texas, Florida, and Tennessee lean on other levers.
High Salary vs. High Cost: Where Your Paycheck Goes Furthest
A common mistake is chasing the highest salary without checking local prices. A $90,000 job in San Jose can leave you with less spending power than a $65,000 job in Tulsa once rent, taxes, and groceries are subtracted. That's the whole point of cost-adjusted income: it divides each state's median income by its local price level to reveal real purchasing power. Under that lens, several "cheap" states quietly outperform the glamorous, expensive ones.
Explore the Data Interactively
- Cost of Living Index By State (interactive map)
- Cost-Adjusted Income By State
- Median Household Income By State
- Median Home Price By State
- Gas Prices By State
- U.S. States Ranked by GDP Per Capita (2026)
Frequently Asked Questions
What is the most expensive state to live in for 2026?
Hawaii is the most expensive state to live in for 2026, with a cost-of-living index of about 112 — roughly 12% above the national average of 100. California, New Jersey, Massachusetts, and New York follow.
What is the cheapest state to live in for 2026?
Mississippi is the cheapest state to live in for 2026 with an index of about 88, about 12% below the national average. Arkansas, Alabama, West Virginia, and Oklahoma are also among the most affordable.
Is it cheaper to live in the South?
Generally, yes. Most of the ten cheapest states are in the South and the Great Plains, where housing costs are low. The main exceptions are fast-growing Southern metros (like parts of Florida, Georgia, and the Carolinas) where prices have climbed toward the national average.
How much does cost of living vary within a state?
A lot. A statewide index averages rural and urban areas together, so a big metro (Honolulu, San Francisco, Manhattan) can be well above its state's number, while rural areas fall below it. Use statewide figures for broad comparisons and metro-level data for a specific move.
Methodology & Sources
The cost-of-living index sets the U.S. average to 100 and compares the relative price of housing, groceries, utilities, transportation, healthcare, and miscellaneous goods and services across states. Figures are 2026 estimates aligned with the U.S. Bureau of Economic Analysis Regional Price Parities (RPP) and the MERIC composite cost-of-living series, rounded to whole numbers for readability. Because housing dominates the differences, statewide indices track home prices and rents closely. Within-state variation (metro vs. rural) can be larger than the differences between neighboring states.
Frequently Asked Questions
Hawaii is the most expensive U.S. state to live in for 2026, with a cost-of-living index of about 112 versus the national average of 100 — roughly 12% above the U.S. average, driven mostly by housing and groceries shipped across the Pacific.
Mississippi is the cheapest state to live in for 2026, with a cost-of-living index of about 88 — around 12% below the national average. Arkansas, Alabama, West Virginia, and Oklahoma round out the five most affordable states.
The index compares the price of a common basket of housing, groceries, utilities, transportation, healthcare, and other goods across states, with the U.S. average set to 100. A score of 110 means a state is about 10% more expensive than the national average; 90 means 10% cheaper.
Not always. States like Hawaii and California have high wages but even higher prices, so real (cost-adjusted) income can be lower than in cheaper states. States like Texas, North Carolina, and Tennessee often deliver more purchasing power because incomes are solid while costs stay near or below average.
