Sioux Falls vs Boulder for Families (2026)

A family-focused comparison of housing, income, taxes, and overall affordability in Sioux Falls, SD vs Boulder, CO.

  • 2BR rent: $1,650/mo in Sioux Falls vs $3,000/mo — 45% difference
  • More affordable homeownership in Sioux Falls: $265K median vs $800K
  • Higher median household income in Boulder: $80K/yr vs $62K
  • Sioux Falls has no state income tax — more take-home for family expenses

Family cost comparison

Metric
Sioux Falls
South Dakota
Boulder
Colorado
2BR rent/month$1,650Better$3,000
Median home price$265KBetter$800K
Median household income$62K$80KBetter
Est. childcare/month$1,144Better$1,716
State income taxNoneBetter4.4%
Sales tax (combined)6.4%Better8%

Frequently asked questions

Which city is better for raising a family — Sioux Falls or Boulder?

Based on housing costs, income, and taxes, Sioux Falls scores slightly better for families overall. Sioux Falls has lower 2-bedroom rents, Sioux Falls is more affordable for homebuyers, though both cities have strong family communities.

What is the average 2-bedroom rent in Sioux Falls vs Boulder?

As of Q1 2026, median 2BR rent is $1,650/month in Sioux Falls and $3,000/month in Boulder. Sioux Falls is 45% cheaper for a 2-bedroom apartment.

Can a family afford to buy a home in Sioux Falls or Boulder?

The price-to-income ratio in Sioux Falls is 4.3× ($265K home, $62K income) vs 10.0× in Boulder. A ratio below 3× is generally considered affordable. Sioux Falls is more achievable for first-time family homebuyers.

How much does childcare cost in Sioux Falls vs Boulder?

Based on cost-of-living indices, estimated childcare (infant/toddler) runs approximately $1,144/month in Sioux Falls and $1,716/month in Boulder. These are estimates — actual costs vary by provider and program type.

Which city has lower taxes for families?

Sioux Falls (South Dakota) has no state income tax vs Boulder's 4.4% rate. For a dual-income family earning $120K combined, the difference can mean $264+/month in take-home.

Childcare estimates based on national average scaled by COL index. Data: Zillow, BLS, Numbeo, Tax Foundation · Q1 2026

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