State comparison
Idaho vs California: which state is better to live in?
Idaho costs a median household about $3,900 a year less in state and local taxes than California, mostly because property tax on a median home runs $2,040 a year against $5,609 in California.
Idaho
Moderate tax burden · COL index 96
Wins 10 categories
California
Moderate tax burden · COL index 142
Wins 4 categories
Taxes: Idaho vs California
Idaho has a flat 5.8% income tax, which works out to 5.0% on a median income of $74,580, or $3,698 a year. California has a graduated income tax topping out at 13.3%, which works out to 4.5% on a median income of $74,580, or $3,375 a year. California wins on income tax at 2026 rates.
Property tax is 0.48% of home value a year in Idaho and 0.71% in California (Tax Foundation, 2023); on each state's median home that is $2,040 against $5,609, so Idaho has the lower rate.
Combined state and local sales tax averages 6.02% in Idaho and 8.82% in California; Idaho is lower.
Add it up for a household earning $74,580 (the 2022 national median) and owning the median home: $7,085 a year in Idaho, $10,957 in California. Idaho is cheaper on total state and local tax.
Housing and cost of living
Idaho's cost of living index is 96 and California's is 142, where 100 is the national average; Idaho is about 48% cheaper day to day.
The median home costs $425K in Idaho and $790K in California (Zillow, 2024), a $365K gap in Idaho's favor. A two-bedroom rents for about $1,500 a month in Idaho and $2,300 in California.
Home insurance averages $800 a year in Idaho and $2,100 in California, so Idaho is cheaper to insure.
Safety
Violent crime runs 228 incidents per 100,000 residents in Idaho and 499 in California (FBI Crime Data Explorer, 2023); Idaho is the safer state by that measure, with a rate 119% lower. Property crime is 1,535 per 100,000 in Idaho against 2,027 in California, again favoring Idaho.
Health
Life expectancy is 77.7 years in Idaho and 79.2 in California (County Health Rankings, 2024), a 1.5-year edge for California. The Commonwealth Fund's 2023 scorecard ranks Idaho's health system 32nd of 50 and California's 13th, so California scores better on care.
9.0% of Idaho residents have no health insurance against 6.8% in California, which favors California. Both states expanded Medicaid.
Schools
Education Week's 2023 Quality Counts report ranks Idaho's K-12 schools 30th in the country and California's 20th, 10 places apart in California's favor. Neither state runs a school-choice voucher program.
Laws and politics
In the 2024 presidential election Idaho went to Trump by 30 points and California went to Harris by 20 points.
Idaho has permitless carry and a Giffords gun-law grade of F; California has may-issue carry permits and a grade of A, so California regulates guns more tightly and Idaho is the friendlier state for gun owners.
Abortion is banned with narrow exceptions in Idaho and protected by state law in California, and marijuana is illegal in Idaho and legal for adults in California as of 2026. The minimum wage is $7.25 an hour in Idaho and $16.00 in California.
Climate and risk
Natural disaster risk is moderate in Idaho (wildfire, earthquake) and very high in California (wildfire, earthquake, drought), so Idaho is the lower-risk state. Annual average air quality index is 48 in Idaho and 62 in California (under 50 is good), favoring Idaho.
Tax figures use a household earning the national median income and owning each state's median home, at tax year 2026 rates, last checked against state sources on 2026-09-14. The table below has every number.
Taxes
Housing & Cost of Living
Crime & Safety
Healthcare
Education
Childcare
Utilities & Daily Costs
Social Policy
Category wins
10
Idaho
4
California
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Score For My Profile →Questions people ask
Is Idaho or California better to live in?
Idaho wins more of the measures that decide a move. Idaho on taxes ($7,085 a year for a median household against $10,957); Idaho on everyday costs (index 96 against 142); Idaho on safety (228 violent crimes per 100,000 against 499); California on schools (ranked 20th against 30th).
Which is cheaper, Idaho or California?
Idaho is cheaper day to day: cost of living index 96 against 142. The median home is $425K in Idaho and $790K in California (2024). On state and local taxes Idaho saves a median household about $3,900 a year.
Does Idaho or California have lower taxes?
Idaho. A household earning $74,580 pays about $7,085 a year in Idaho ($3,698 income tax, $2,040 property tax on the median home and $1,347 in sales tax) and $10,957 in California ($3,375 income tax, $5,609 property tax on the median home and $1,973 in sales tax), at 2026 rates.
Which is safer, Idaho or California?
Idaho, on the FBI's 2023 figures. Violent crime is 228 per 100,000 residents in Idaho and 499 in California; property crime is 1,535 against 2,027.
Which has better schools, Idaho or California?
California. Education Week's 2023 Quality Counts report ranks Idaho 30th of 50 for K-12 and California 20th.
Is Idaho or California better for retirees?
Idaho is friendlier to retirees on paper. Idaho does not tax Social Security, partly exempts pensions and has no estate or inheritance tax; California does not tax Social Security, taxes pensions as income and has no estate or inheritance tax. Property tax on a median home is $2,040 a year in Idaho and $5,609 in California.