Boston vs St. Louis for Families (2026)
per month for your family in St. Louis
Your move simulator
Tell us about your household โ we calculate your real annual savings.
Estimated annual swing
โ$40,100/yr
Favoring St. Louis for this income & household (illustrative).
With the extra $3,342/mo, you could pay down a $15,000 card balance in ~5 months and still keep ~$401/mo for dining out.
Complete the Picture
While youโre comparing โ donโt leave money on the table.
Cash-back card
Best cash-back cards for St. Louis
Stack rewards on groceries, gas, and dining โ categories that grow after a move.
High-yield savings
Park ~$40,100/yr savings at 4โ5%+ APY
Even $3,342/mo extra earns meaningfully at 4โ5% APY vs near-zero in checking.
Home + auto bundle
New state โ compare rates before you sign
Moving to St. Louis resets your insurance profile. Bundling home + auto often saves 15โ25%.
Your biggest money opportunities based on this comparison.
Tax savings
St. Louis saves ~$30/mo in taxes
Park that extra take-home pay in a high-yield savings account โ at 4.8% APY, $30/mo earns $17/yr.
Housing savings
St. Louis saves ~$2,300/mo in rent
New city means new insurance rates โ bundle home and auto before your move date to lock in the best price.
Childcare savings
St. Louis saves ~$11,700/yr on childcare
Put the difference in a HYSA or 529 plan โ $1,200/yr compounding at 5% over 10 years = $15K+.
Make Your Move Count
You're about to make one of the biggest financial decisions of your life โ here's how to set up the money side before you sign anything.
High-Yield Savings
Earn 4.5โ5% on your $4,630/mo savings
At 4.8% APY, that's $2,667/yr in interest โ 10ร more than a standard bank account. Takes 5 minutes to open.
Mortgage
What can you afford in St. Louis?
Compare lenders before your move โ pre-approval is free, takes minutes, and won't affect your credit score.
Home & Auto Insurance
New state = new rates โ compare before you move
Insurance costs vary 30โ40% by ZIP code. Get St. Louis quotes locked in before your move date or risk paying day-1 overprice.
Full family cost breakdown
| Metric | Boston Massachusetts | St. Louis Missouri |
|---|---|---|
| Studio rent / mo | $2,400 | $1,050Better |
| 2BR rent / mo | $4,000 | $1,700Better |
| Median home price | $700K | $230KBetter |
| Household income | $90KBetter | $54K |
| Childcare / mo | $2,106 | $1,131Better |
| State income tax | 5% | 4.7%Better |
| Sales tax | 6.3%Better | 8.6% |
| Utilities / mo | $185 | $162Better |
| Groceries index | 110 | 97Better |
Frequently asked questions
Which city is better for raising a family โ Boston or St. Louis?
Based on housing costs, income, taxes, and overall affordability, St. Louis scores better for families. 2-bedroom rent is $1,700/mo in St. Louis vs $4,000/mo. St. Louis is approximately 46% cheaper overall. That said, both cities have strong family communities โ the right choice depends on your career, lifestyle, and proximity to family.
What is the average 2-bedroom rent in Boston vs St. Louis?
As of Q1 2026, median 2BR rent is $4,000/month in Boston and $1,700/month in St. Louis. St. Louis is 57% cheaper for a family-sized apartment.
Can a family afford to buy a home in Boston or St. Louis?
The price-to-income ratio in Boston is 7.8ร ($700K median home, $90K median income). In St. Louis it's 4.3ร ($230K home, $54K income). A ratio below 3ร is generally considered affordable โ St. Louis is more achievable for first-time family homebuyers.
How much does childcare cost in Boston vs St. Louis?
Estimated infant/toddler childcare runs approximately $2,106/month in Boston and $1,131/month in St. Louis, based on national averages scaled by each city's cost-of-living index. Annual childcare cost difference: ~$11,700/year.
Which city has lower taxes for families?
Boston has a 5% state income tax rate vs St. Louis's 4.7% rate. For a dual-income family earning $120K combined, that difference is roughly $30/month in take-home pay.
$100K in Boston has the same purchasing power as $54K in St. Louis
Childcare estimates based on national avg scaled by COL index ยท Data: Zillow, BLS, Numbeo, Tax Foundation ยท Q1 2026