Estimate your self-employment tax in Casper for 2026: the 15.3% SE tax, the deductible half, federal income tax, and quarterly payments.
Last updated: May 2026 · Data: MIT Living Wage Calculator, C2ER, U.S. Census, BLS, IRS, state and city sources
Casper self-employed workers pay federal SE tax and federal income tax, but no Wyoming state income tax. Wyoming has no state income tax, no corporate income tax, and no gross receipts tax. The state is funded primarily through mineral extraction taxes and a 4% state sales tax. Wyoming is consistently ranked as one of the most tax-friendly states in America.
| Net Profit | SE Tax | Half-SE Deduction | Total Est. Tax | Per Quarter |
|---|---|---|---|---|
| $30,000 | $4,239 | $2,119 | $5,546 | $1,387 |
| $50,000 | $7,065 | $3,532 | $10,602 | $2,651 |
| $75,000 | $10,597 | $5,299 | $17,545 | $4,386 |
| $100,000 | $14,130 | $7,065 | $26,189 | $6,547 |
| $150,000 | $21,194 | $10,597 | $43,898 | $10,975 |
Single filer, standard deduction. Total tax = SE tax + federal income tax. Estimates only.
Casper sits in central Wyoming on the North Platte River and is the hub of the state's oil and gas industry, with an economy built on energy, healthcare, and its role as a regional commercial and medical center for much of Wyoming.
| Local Metric | Casper (2026 estimate) |
|---|---|
| Metro population | 60,000 |
| County / jurisdiction | Natrona County |
| Cost of living index (US avg = 100) | 85 |
| MIT living wage, single adult | $18.50/hour |
| MIT living wage, one earner supporting a family of four | $38.00/hour |
| Applicable minimum wage | $7.25/hour |
| Average rent, 1-bedroom | $900/month |
| Average rent, 2-bedroom | $1,100/month |
| Median home price | $290,000 |
| Median household income | $68,000/year |
| Combined sales tax rate | 5% |
| Effective property tax rate | 0.6% of value/year |
Local figures are 2026 estimates compiled from the MIT Living Wage Calculator, the C2ER Cost of Living Index, U.S. Census and Zillow housing data, and city and county sources. Verify current figures before relying on them.
The federal SE tax rate is 15.3% (12.4% Social Security plus 2.9% Medicare), the same in Casper as everywhere. It applies to 92.35% of net profit; Social Security stops at $176,100 of net earnings.
Wyoming has no state income tax, so self-employment income earned in Casper is not subject to state tax, only federal SE and income tax.
On $60,000 of net profit in Casper, estimated total tax (SE plus federal) is about $13,131, or roughly $3,283 per quarter.
Casper does not levy a local self-employment or income tax. Business owners should still budget for any required local license.
Business expenses that lower net profit (equipment, software, home office, mileage) reduce both SE tax and income tax. The deductible half of SE tax, self-employed health insurance, and retirement contributions reduce income tax.