California vs Ohio Income Tax — 2026
A single filer earning $100,000 pays $2,742 less per year in Ohio than in California — $228 a month. California charges $5,055; Ohio charges $2,313.
Why this pair has a page: two of the largest taxing states.
California: tax year 2025 figures. The California amounts shown here are the 2025 brackets, standard deduction and exemptions, published for 2026 because California has not yet published its 2026 inflation-indexed brackets, standard deduction or exemption credits. The 2026 Form 540-ES instructions confirm the structure for 2026 — nine brackets from 1% to 12.3% plus the 1% Behavioral Health Services Tax above $1,000,000 — and direct taxpayers to the 2025 standard deduction and exemption credit amounts in the meantime. Source: California Franchise Tax Board, 2025 California Tax Rate Schedules (Form 540 booklet), verified .
The bill at every income
Single filer, standard deduction, no dependents. State income tax only.
| Gross income | California tax | Ohio tax | Difference |
|---|---|---|---|
| $50,000 | $1,040 | $938 | $101 less in OH |
| $75,000 | $2,775 | $1,626 | $1,149 less in OH |
| $100,000 | $5,055 | $2,313 | $2,742 less in OH |
| $150,000 | $9,705 | $3,688 | $6,017 less in OH |
| $250,000 | $19,005 | $6,438 | $12,567 less in OH |
| $500,000 | $43,968 | $13,313 | $30,655 less in OH |
| $1,000,000 | $102,982 | $27,063 | $75,918 less in OH |
California: tax year 2025 figures. The California amounts shown here are the 2025 brackets, standard deduction and exemptions, published for 2026 because California has not yet published its 2026 inflation-indexed brackets, standard deduction or exemption credits. The 2026 Form 540-ES instructions confirm the structure for 2026 — nine brackets from 1% to 12.3% plus the 1% Behavioral Health Services Tax above $1,000,000 — and direct taxpayers to the 2025 standard deduction and exemption credit amounts in the meantime. Source: California Franchise Tax Board, 2025 California Tax Rate Schedules (Form 540 booklet), verified .
California: tax year 2025 figures. The California amounts shown here are the 2025 brackets, standard deduction and exemptions, published for 2026 because California has not yet published its 2026 inflation-indexed brackets, standard deduction or exemption credits. The 2026 Form 540-ES instructions confirm the structure for 2026 — nine brackets from 1% to 12.3% plus the 1% Behavioral Health Services Tax above $1,000,000 — and direct taxpayers to the 2025 standard deduction and exemption credit amounts in the meantime. Source: California Franchise Tax Board, 2025 California Tax Rate Schedules (Form 540 booklet), verified .
How the two systems differ
| California | Ohio | |
|---|---|---|
| Tax structure | Graduated | Graduated |
| Top marginal rate | 13.3% | 2.75% |
| Number of brackets | 9 | 2 |
| Standard deduction (single) | $5,706 | None |
| Personal exemption | $153 credit | $1,900 |
| Local income taxes | No | Yes |
| Capital gains | ordinary | ordinary |
| Population (2024) | 39,431,263 | 11,883,304 |
California: tax year 2025 figures. The California amounts shown here are the 2025 brackets, standard deduction and exemptions, published for 2026 because California has not yet published its 2026 inflation-indexed brackets, standard deduction or exemption credits. The 2026 Form 540-ES instructions confirm the structure for 2026 — nine brackets from 1% to 12.3% plus the 1% Behavioral Health Services Tax above $1,000,000 — and direct taxpayers to the 2025 standard deduction and exemption credit amounts in the meantime. Source: California Franchise Tax Board, 2025 California Tax Rate Schedules (Form 540 booklet), verified .
By filing status
| Filing status | California | Ohio | Difference |
|---|---|---|---|
| Single | $5,055 | $2,313 | $2,742 less in OH |
| Married filing jointly | $2,079 | $2,261 | $182 less in CA |
| Married filing separately | $5,055 | $2,313 | $2,742 less in OH |
| Head of household | $2,631 | $2,313 | $318 less in OH |
California: tax year 2025 figures. The California amounts shown here are the 2025 brackets, standard deduction and exemptions, published for 2026 because California has not yet published its 2026 inflation-indexed brackets, standard deduction or exemption credits. The 2026 Form 540-ES instructions confirm the structure for 2026 — nine brackets from 1% to 12.3% plus the 1% Behavioral Health Services Tax above $1,000,000 — and direct taxpayers to the 2025 standard deduction and exemption credit amounts in the meantime. Source: California Franchise Tax Board, 2025 California Tax Rate Schedules (Form 540 booklet), verified .
Change the assumptions
Adjust income and filing status, or swap either state. The URL updates so you can share the exact comparison.
At $100,000 as a single filer, Ohio costs $2,742 less per year than California — $228 a month.
| California2025 brackets | Ohio | Difference | |
|---|---|---|---|
| State income tax | $5,055 | $2,313 | $2,742 |
| Per month | $421 | $193 | $228 |
| Effective rate | 5.05% | 2.31% | 2.74 pts |
| Marginal rate | 9.3% | 2.75% | 6.55 pts |
| Standard deduction | $5,706 | $0 | $5,706 |
| Taxable income | $94,294 | $98,100 | $3,806 |
| Tax structure | Graduated | Graduated | |
| Local income taxes | No | Yes |
California: tax year 2025 figures. The California amounts shown here are the 2025 brackets, standard deduction and exemptions, published for 2026 because California has not yet published its 2026 inflation-indexed brackets, standard deduction or exemption credits. The 2026 Form 540-ES instructions confirm the structure for 2026 — nine brackets from 1% to 12.3% plus the 1% Behavioral Health Services Tax above $1,000,000 — and direct taxpayers to the 2025 standard deduction and exemption credit amounts in the meantime. Source: California Franchise Tax Board, 2025 California Tax Rate Schedules (Form 540 booklet), verified .
Local taxes are not included above. Ohio has localities that levy their own income tax on top of the state figure. See each state page for the rates that apply.
Full detail: California · Ohio · methodology
Local income taxes change this picture
What this comparison leaves out
Sources for both states
- 1.California Franchise Tax BoardState revenue department2026 Instructions for Form 540-ES, Estimated Tax for IndividualsRetrieved
- 2.Tax FoundationResearch organisation (cross-check)State Individual Income Tax Rates and Brackets, 2026Retrieved
- 3.Ohio Laws and Administrative Rules (Legislative Service Commission)State statuteOhio Revised Code 5747.02 - Tax rates (effective September 30, 2025, H.B. 96)Retrieved · Division (A)(3)(c): "For taxable years beginning in 2026 and thereafter, $332.00 plus 2.75% of the amount in excess of $26,050."
- 4.Ohio Department of TaxationState revenue department2026 Ohio Estimated Income Tax Payment Worksheet and Instructions (IT 1040 ES)Retrieved · Confirms the 2026 exemption figure used ($1,900 per exemption, zero at MAGI of $500,000 or more). Its printed rate table is still the 2025 table.
Figures on this page were last checked against these sources on . Found something wrong? Report it.