District of Columbia

Moving from South Dakota to District of Columbia would RAISE your total state and local tax burden from 8.4% of income to 12.0% of income — an increase of +3.6 pts. On a $100K household budget, that is roughly $3600 more per year in combined state and local taxes.

District of Columbia has a state income tax with a top rate of 10.75%, while South Dakota has NO state income tax. Moving would expose your wage income to state taxation for the first time.

District of Columbia state sales tax is 6.00%. With average local add-ons, the combined rate is 6.00%. This applies to most retail purchases but rules on groceries, prescriptions, and services vary.

District of Columbia median effective property tax rate is 0.55% of home value. On a $400,000 home, that is roughly $2,200/year. Property tax typically funds schools, municipalities, and county services — rates vary sharply within a state by school district.

District of Columbia imposes a state estate tax with a threshold of $4.87M (2025). Estates above this threshold pay state-level tax in addition to federal. No state inheritance tax applies.

In District of Columbia: Social Security is not taxed. Pensions and 401(k)/IRA withdrawals are fully taxed.

District of Columbia capital gains treatment: Taxed as regular income up to 10.75%. Compare to federal long-term capital gains rates (0%, 15%, or 20%) — some states offer preferential treatment for long-term holdings, while others tax capital gains as ordinary income.

District of Columbia gas tax is 34.2¢/gal — 4.2¢/gal higher than South Dakota's 30.0¢/gal. For a 15,000 mile/year driver getting 25 mpg, each 1¢/gal of gas tax = about $6/year.

District of Columbia residency rules: Domicile + 183-day rule + permanent abode. Statutory resident test. To establish residency for tax purposes, typical steps include: update driver's license and vehicle registration, register to vote, file a homestead declaration, close home-state bank accounts where possible, and spend clearly more than 183 days in your new state. If your former state is aggressive (e.g., CA, NY, NJ, OR), keep documentation of every day spent in each state.

District of Columbia recent tax law changes: New top bracket added 2022 (10.75% on income over $1M). Estate tax threshold increases annually for inflation.

For the most current tax information in District of Columbia, visit the official source at https://otr.cfo.dc.gov/. Tax laws change annually; verify rates and rules before making a permanent move. Consult a CPA for advice specific to your situation.