DaycareCalc

Nanny vs Daycare in St. Louis, MO: Cost Calculator 2026

Daycare: $950/month. Full-time nanny: $2,688/month (with employer taxes). That's $1,738/month more for one child. Nanny cost here is 11% below national avg.

Daycare Center
$950
per month, infant rate
$11,400/year
Full-Time Nanny
$2,688
per month, with employer taxes
$32,256/year
Daycare saves $1,738/month for one child
That's $20,856/year. With two children, the gap closes — and a nanny share can close it further.

The Two-Child Breakeven in St. Louis, MO

1 child — daycare $950/mo
1 child — nanny (with taxes) $2,688/mo
2 children — daycare (2 spots) $1,900/mo
2 children — nanny (same cost) $2,957/mo
3 children — daycare (3 spots) $2,850/mo
3 children — nanny $3,091/mo

Nanny rates assume 10–15% increase for 2–3 children. Daycare per child at infant pricing.

Calculator: Your Cost in St. Louis, MO

Daycare Total
$950
per month
Nanny Total
$2,688
per month
Daycare saves $1,738/month for 1 infant

Nanny in St. Louis, MO

  • ✓ Flexible hours
  • ✓ One-on-one care at home
  • ✓ No center sick-day closures
  • ✗ No backup if nanny is sick
  • ✗ You're the employer (taxes)
  • ✗ Less peer socialization
  • ✗ Higher cost for 1 child

Daycare in St. Louis, MO

  • ✓ Lower cost per child
  • ✓ Socialization
  • ✓ Licensed and regulated
  • ✓ Structured curriculum
  • ✗ Fixed hours (7am–6pm)
  • ✗ Waitlists are common
  • ✗ Closed holidays and sick days

Local Context: St. Louis, MO

Healthcare and aerospace families. West County affluent suburbs command premium.

  • Boeing/Anheuser-Busch families
  • Barnes Jewish/Washington University medical
  • West County affluent suburbs (Ladue, Chesterfield)
  • St. Louis minimum wage $12.30/hr
  • Gateway City affordable living baseline
Employer taxes: Hiring a nanny makes you a household employer. You owe employer Social Security and Medicare (7.65%), federal unemployment (0.6% on first $7K/year), and workers' comp insurance ($400–$900/year). Budget 20–25% above gross wages. A payroll service like GTM or HomePay ($500–$800/year) handles the filings.

Nanny vs Daycare in St. Louis, MO: What the Numbers Mean

The gap between a nanny and daycare in St. Louis, MO is $1,738/month for one child — that's $20,856/year. For most families with one child under 3, daycare is the more affordable option here.

That math shifts with a second child. Two daycare spots in St. Louis, MO run $1,900/month, while one nanny handling both children costs $2,957/month. The gap drops to $-1,057/month — and the daily convenience of a nanny who comes to your home starts to compete with the cost difference.

The Nanny Share Option in St. Louis, MO

A nanny share splits one nanny's cost between two families. Each pays roughly $1,613/month — below the cost of a single daycare spot. The nanny earns more total, which makes quality candidates more willing to take on a share arrangement. Finding the right partner takes work, but in a metro like St. Louis, MO, online parent communities and local Facebook groups regularly list share opportunities.

Dependent Care FSA: $2,000/Year Back

Both daycare and nanny costs qualify for a Dependent Care Flexible Spending Account (FSA). You can set aside up to $5,000/year pre-tax. At a 22% tax bracket, that's $1,100/year back. The FSA works whether you use daycare or a nanny — but for the nanny option, you must pay them legally (W-2, not 1099) or the deduction gets disqualified.

Nanny vs Daycare in St. Louis, MO: Common Questions