Cost of Living Comparison Between Seoul and Seongnam
For one person, living is cheaper in Seongnam: $1,418 a month against $1,848 in Seoul, rent and utilities included – about $5,200 less a year. Rent and utilities account for most of the difference.
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Seoul Living Index89Cost of Living Index in SeoulLearn more -
Seongnam Living Index68Cost of Living Index in SeongnamLearn more
How much you'll spend in Seoul and in Seongnam
Real prices from locals and on-the-ground checks – rent, groceries, transit and the daily extras. Here's what a month in Seoul and in Seongnam actually costs, broken down by who's living it.
A single person spends $1,848 per month in Seoul vs $1,418 in Seongnam, rent included.
- Seoul $1,848
- Seongnam $1,418
A couple spends around $2,986 per month in Seoul vs $2,361 in Seongnam, rent included.
- Seoul $2,986
- Seongnam $2,361
A family of three spends $4,125 per month in Seoul vs $3,305 in Seongnam, rent included.
- Seoul $4,125
- Seongnam $3,305
Seoul costs about 30% more than Seongnam, and outside of rent the biggest gap is in groceries.
Both Seoul and Seongnam sit above the global median – Seoul by 36%, Seongnam by 4%.
CityCost data is based on AI and user input – minor inaccuracies may occur.
Last update for Seoul: October 26, 2026
Last update for Seongnam: October 26, 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 central one-bedroom costs $924 in Seoul versus $488 in Seongnam. Rent is usually the largest line item in a monthly budget, so the gap here sets the tone for the overall comparison.
A mid-range dinner for two costs $68 in Seoul versus $42 in Seongnam. Monthly groceries follow the same trend: $483 vs $426 – making Seongnam the more affordable choice for daily food spending.
- Seoul Seongnam 21 km
- Seoul
- Seongnam
Distances are measured in a straight line. Your location is detected approximately.
City Median Internet Speeds Comparison (Updated April 2026)
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