Cost of Living Comparison Between Des Plaines, IL and San Marcos, TX
For one person, living is cheaper in San Marcos, TX: $2,361 a month against $3,023 in Des Plaines, IL, rent and utilities included – about $7,900 less a year. Rent and utilities account for about half of the difference.
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Des Plaines, IL Living Index147Cost of Living Index in Des Plaines, ILLearn more -
San Marcos, TX Living Index115Cost of Living Index in San Marcos, TXLearn more
How much you'll spend in Des Plaines, IL and in San Marcos, TX
Real prices from locals and on-the-ground checks – rent, groceries, transit and the daily extras. Here's what a month in Des Plaines, IL and in San Marcos, TX actually costs, broken down by who's living it.
Monthly costs for one person with rent: $3,023 in Des Plaines, IL versus $2,361 in San Marcos, TX.
- Des Plaines, IL $3,023
- San Marcos, TX $2,361
Estimated couple costs with rent: $4,419 in Des Plaines, IL versus $3,510 in San Marcos, TX.
- Des Plaines, IL $4,419
- San Marcos, TX $3,510
Monthly costs for a family of three with rent: $5,815 in Des Plaines, IL versus $4,658 in San Marcos, TX.
- Des Plaines, IL $5,815
- San Marcos, TX $4,658
Living in Des Plaines, IL is roughly 28% more expensive than in San Marcos, TX, and outside of rent the biggest gap is in eating out.
Both cities are pricier than the global median: Des Plaines, IL 124% above, San Marcos, TX 75% above.
CityCost data is based on AI and user input – minor inaccuracies may occur.
Last update for Des Plaines, IL: October 12, 2026
Last update for San Marcos, TX: October 11, 2026
Categories marked with * are only partly priced – their share counts the items that do have prices.
Categories marked with * are only partly priced – their share counts the items that do have prices.
Cost Breakdown
A one-bedroom apartment in the center runs $2,084 in Des Plaines, IL and $1,350 in San Marcos, TX. Housing cost is often the main lever when comparing two cities.
Des Plaines, IL pays 95% more on average. The extra income cushions the higher costs, though housing choices and lifestyle decide how much of the gap is truly closed.
Dining out: $89.0 in Des Plaines, IL vs $60.0 in San Marcos, TX for a mid-range dinner for two. Groceries echo the gap at $418 vs $363 per month, with San Marcos, TX cheaper across the board.
- Des Plaines, IL San Marcos, TX 1,620 km ≈ 2 h 30 min nonstop flight
- Des Plaines, IL
- San Marcos, TX
Distances are measured in a straight line. Your location is detected approximately.
City Median Internet Speeds Comparison (Updated April 2026)
What is the total cost difference between living in Des Plaines, IL and in San Marcos, TX?
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