Monthly estimate = 1BR rent + electricity + gas
A one-person monthly baseline (1BR rent plus typical utilities) runs $1,220 in Columbia, SC versus $2,150 in Washington, DC. Overall, Columbia, SC is roughly 43% cheaper to live in day-to-day than Washington, DC, driven mainly by rent.
Median household income is $55,653 in Columbia, SC and $106,287 in Washington, DC — about 48% higher in Washington, DC. South Carolina has a top state income tax rate of 6.00% and a 6% state sales tax; District of Columbia has a top state income tax rate of 10.75% and a 6% state sales tax.
Rent
Buying a Home
Income
People & Lifestyle
Crime (per 100k/yr)
FBI Crime Data Explorer. Offenses per 100,000 residents per year; agency reporting practices vary, so this is approximate.
Climate
Gas
Area: East Coast (PADD 1) vs East Coast (PADD 1).
Public Transit
Adult base one-way fare — — vs WMATA (Metrobus) (2026).
Utilities
Residential, state-level averages (EIA). MCF = 1,000 cubic feet.
Groceries
Average prices — South vs South (BLS). Regional where available, otherwise U.S. average.
State Taxes
Columbia vs Washington — FAQ
- Is it cheaper to live in Columbia or Washington?
- Columbia, SC is cheaper. Its monthly baseline of $1,220 (1BR rent + utilities) runs about 43% below Washington, DC's $2,150, mainly because of rent.
- How much more do you need to earn to live in Columbia than in Washington?
- To keep rent near the recommended 30% of gross income, you'd want to earn roughly $41,000 a year in Columbia versus $75,000 in Washington.
- Which has lower taxes, Columbia or Washington?
- Columbia is taxed under South Carolina's rules (a top state income tax rate of 6.00% and a 6% state sales tax); Washington under District of Columbia's (a top state income tax rate of 10.75% and a 6% state sales tax).
Sources: US Census Bureau, ACS 5-Year (rent, income, home value, demographics); NOAA Climate Normals 1981–2010 (climate); EIA weekly retail (gas); Tax Foundation 2026 (state taxes).