Costco Part-Time Jobs in St. Peters, MO — Apply Today

As of September 2026, there are 21 Costco part-time openings in St. Peters, MO. Local pay ranges from $16 to $34/hr. Listings are updated daily — benefits start Day 1 for most positions.

Costco

Entry Stocker(Flexible)|St. Peters

St. Peters, MO

$19 - $26

Costco

Part-Time Job at Costco:Office Assistant

St. Peters, MO

$21 - $26

Costco

St. Peters Flexible Role:Part Time

St. Peters, MO

$18 - $25

Costco

Flexible Evening(St. Peters)

St. Peters, MO

$18 - $27

Costco

Join Team:Data Entry Clerk(Flexible,St. Peters)

St. Peters, MO

$21 - $26

Costco

Payroll Clerk|Flexible|St. Peters

St. Peters, MO

$21 - $29

Costco

Flexible Gas Station(St. Peters)

St. Peters, MO

$20 - $26

Costco

HR Clerk

St. Peters, MO

$21 - $23

Costco

Meat Wrapper

St. Peters, MO

$19 - $26

Costco

Optical Associate at Costco(Part-Time,St. Peters)

St. Peters, MO

$20 - $28

Costco

Flexible Inventory Auditor(St. Peters)

St. Peters, MO

$18 - $25

Costco

Flexible Part-Time:Morning Shift-St. Peters

St. Peters, MO

$18 - $22

Costco Part-Time Jobs in St. Peters — FAQ

How many Costco part-time jobs are open in St. Peters, MO?
There are currently 21+ Costco part-time positions in St. Peters, MO. New part-time roles are added regularly — check this page for the latest openings.
How much do Costco part-time jobs pay in St. Peters?
Costco part-time pay in St. Peters varies by specific role and shift. Most positions include shift differentials for nights and weekends, plus benefits starting Day 1. Browse the listings above to see pay details for each opening.
Does Costco hire for part-time positions with no experience in St. Peters?
Many Costco part-time positions in St. Peters require no prior experience. Costco provides paid training for new hires. Check individual listings for specific requirements.
How do I apply for Costco part-time jobs in St. Peters?
Browse the 21+ part-time listings above, click on any position for full details including pay and shift times, then follow the application link. Most Costco positions have a 15–30 minute online application.

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Other Costco Jobs in St. Peters

Costco Warehouse Jobs in St. Peters

39 open positions

Costco Grocery & Fresh Jobs in St. Peters

11 open positions

Costco Fulfillment Center Jobs in St. Peters

9 open positions

Costco Delivery Driver Jobs in St. Peters

3 open positions

Costco Overnight Jobs in St. Peters

2 open positions

Costco Weekend Jobs in St. Peters

2 open positions

Costco CDL Driver Jobs in St. Peters

1 open positions

Costco Pharmacy Jobs in St. Peters

1 open positions

Last updated: September 15, 2026