Monthly estimate = 1BR rent + electricity + gas
A one-person monthly baseline (1BR rent plus typical utilities) runs $970 in Rapid City, SD versus $1,280 in San Antonio, TX. Overall, Rapid City, SD is roughly 24% cheaper to live in day-to-day than San Antonio, TX, driven mainly by rent.
Median household income is $65,712 in Rapid City, SD and $62,917 in San Antonio, TX — about 4% higher in Rapid City, SD. South Dakota has no state income tax and a 4.2% state sales tax; Texas has no state income tax and a 6.25% 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: Midwest (PADD 2) vs Texas.
Public Transit
Adult base one-way fare — — vs VIA Metropolitan Transit (2026).
Utilities
Residential, state-level averages (EIA). MCF = 1,000 cubic feet.
Groceries
Average prices — Midwest vs South (BLS). Regional where available, otherwise U.S. average.
State Taxes
Rapid City vs San Antonio — FAQ
- Is it cheaper to live in Rapid City or San Antonio?
- Rapid City, SD is cheaper. Its monthly baseline of $970 (1BR rent + utilities) runs about 24% below San Antonio, TX's $1,280, mainly because of rent.
- How much more do you need to earn to live in Rapid City than in San Antonio?
- To keep rent near the recommended 30% of gross income, you'd want to earn roughly $32,000 a year in Rapid City versus $43,000 in San Antonio.
- Which has lower taxes, Rapid City or San Antonio?
- Rapid City is taxed under South Dakota's rules (no state income tax and a 4.2% state sales tax); San Antonio under Texas's (no state income tax and a 6.25% 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).