Most Expensive States To Live In 2024. In summary, the most expensive states to live in 2024 include california, new york, massachusetts, hawaii, connecticut, alaska, washington, d.c., and new jersey. Smartasset applied the 50/30/20 budget to cost data in each state to determine the.

Cost of living index (coli) compiles the six subcategories (housing, utilities, grocery items, transportation, health care, and miscellaneous goods and services) into a single value. States with the highest cost of living are mostly found on the coasts, with hawaii (184), massachusetts (149.7), california (137.6), and new york (134.5) leading the way.