Missouri
$29,211
$100k total · rank #24
- Headline rate
- 4.7%
- State tax ($100k)
- $3,466
- Quarterly
- $7,303
Progressive state income tax
2026Missouri vs Connecticut Self-Employment Tax
Missouri has the lower modeled total tax by $71 at $100,000 net profit. Compare total burden, state income tax, and quarterly estimated payments across net-profit scenarios.
By Sammy S. · Founder · AuthorUpdated for 2026
Lower total tax burden
Missouri is lower
$29,211 vs $29,282, a $71 difference. Federal SE tax is the same; the gap is mostly state income tax.
Side-by-side self-employment tax scoreboard
Connecticut
$29,282
$100k total · rank #26
- Headline rate
- 6.99%
- State tax ($100k)
- $3,536
- Quarterly
- $7,320
Progressive state income tax
Scenario comparison
Single-filer total tax, state tax, and quarterly estimates. Federal SE tax is identical for the same net profit in both states.
| Scenario | Missouri total | Connecticut total | State Δ | Total Δ | Missouri qtr | Connecticut qtr |
|---|---|---|---|---|---|---|
| $50,000 net profit | $11,743 | $11,627 | $116 | $116 | $2,936 | $2,907 |
| $100,000 net profit | $29,211 | $29,282 | $70 | $71 | $7,303 | $7,320 |
| $150,000 net profit | $49,035 | $49,599 | $564 | $564 | $12,259 | $12,400 |
| $200,000 net profit | $69,415 | $70,583 | $1,169 | $1,168 | $17,354 | $17,646 |
$50,000 net profit
Missouri total$11,743
Connecticut total$11,627
Missouri state$1,282
Connecticut state$1,166
Missouri quarterly$2,936
Connecticut quarterly$2,907
Total difference: $116 · State difference: $116
$100,000 net profit
Missouri total$29,211
Connecticut total$29,282
Missouri state$3,466
Connecticut state$3,536
Missouri quarterly$7,303
Connecticut quarterly$7,320
Total difference: $71 · State difference: $70
$150,000 net profit
Missouri total$49,035
Connecticut total$49,599
Missouri state$5,650
Connecticut state$6,214
Missouri quarterly$12,259
Connecticut quarterly$12,400
Total difference: $564 · State difference: $564
$200,000 net profit
Missouri total$69,415
Connecticut total$70,583
Missouri state$7,834
Connecticut state$9,003
Missouri quarterly$17,354
Connecticut quarterly$17,646
Total difference: $1,168 · State difference: $1,169
Worked example: $100,000 net profit
Single filer, $0 expenses, no W-2 wages. Federal Schedule SE tax is the same; state income tax drives most of the gap.
How the comparison is built
- 1.Start with the same $100,000 Schedule C net profit in both states.
- 2.Apply federal Schedule SE and deduct half of base SE tax for AGI.
- 3.Estimate federal income tax, then each state's ordinary income-tax rules.
- 4.Divide total modeled tax by four for equal quarterly installments.
Modeled result
- Missouri total
- $29,211
- Connecticut total
- $29,282
- Missouri state
- $3,466
- Connecticut state
- $3,536
- Total difference
- $71
Expenses, QBI, local taxes, and filing status can change both the absolute bill and the gap between states.
SE tax is nationwide
Schedule SE Social Security and Medicare use the same federal formula in both states.
State tax drives the gap
Missouri is progressive state income tax; Connecticut is progressive state income tax.
Quarterlies are planning figures
Equal installments ignore safe harbor, withholding, and uneven income timing.
Missouri vs Connecticut self-employment tax FAQs
Missouri has the lower modeled total tax at $100,000 net profit ($29,211 vs $29,282). Federal self-employment tax itself is the same nationwide; the gap is mostly state income tax.
Missouri: Progressive state income tax (headline 4.7%). Connecticut: Progressive state income tax (headline 6.99%).
In the single-filer model, total tax is about $29,211 in Missouri and $29,282 in Connecticut (difference $71). State income tax alone differs by about $70.
No. Schedule SE Social Security and Medicare tax is federal. State of residence changes state income tax (and sometimes local tax), not the SE tax rate formula.
Equal quarterly installments of the modeled annual bill are about $7,303 in Missouri and $7,320 in Connecticut for the $100,000 scenario. Use the quarterly estimated tax calculator for safe-harbor and withholding adjustments.
Missouri shows the lower combined SE + income tax burden in this model, but cost of living and local taxes can still flip the practical result.
Compare another pair
Compare any two states
Total SE + income tax, state layer, and quarterly estimates at $100k net profit.
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