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Sejong

City in Sejong City, South Korea

Overview

Sejong is South Korea's newest planned city, designed as an administrative hub and known for its modern infrastructure and green spaces. With a rapidly growing population and focus on sustainability, Sejong offers a blend of government facilities, cultural attractions, and comfortable residential areas.

Geographic Context

Jurisdiction
South Korea
Special Self Governing City
Sejong City
Population
386,256
Time Zone
Asia/Seoul
Coordinates
36.59°, 127.29°

Key Metrics

Safety Score
88
Female Safety
85
LGBTQ+ Safety
55
Traffic Safety
82
Food Safety
98
Monthly Cost
$1,747
Local Cost
$777
Local Income
$2,100
Cashless
85
English
40
Temperature
11.1°C
Summer Avg
23.6°C
Winter Avg
-2.1°C
Record High
38.8°C
Record Low
-22.2°C
Humidity
78%
Precipitation
1224 mm
Internet Speed
278 Mbps
Upload
160 Mbps
Latency
29 ms
City Vibrancy
119
Coworking
0
Cafes
21
Nightlife
2
Parks
96
Transport
0
Walk Score
0
Footways
—
Airport
CJJ
Distance
23 km

Explore

Cost of Living
Prices & expenses
Weather & Climate
Temperature & conditions
Alternatives
Similar cities worldwide
Compare
Side-by-side comparison
Neighborhoods
4 areas mapped
City Guide
Tips & insights

Neighborhoods

Partial

Coverage is incomplete — additional neighborhoods are being added as more source data is processed.

국가보훈광장 조치원서북부지구 (본 지구는 예정/공사 중이므로 변경될 수 있음) Urban Development Project in the northwest of Jochiwon 조치원역 광장 Jochiwon Station Square

Coverage is incomplete — more neighborhoods are being added.

View all 4 neighborhoods

Frequently Asked Questions

Data sources

Source-backed data

NASA POWER - Climate normals and monthly weather measurements rendered as city weather metrics. Updated 2026-03-22.
Ookla Open Data - Internet speed aggregates for 2024Q3 from 7 tests. Updated 2025-12-05.
OpenStreetMap - Nearby amenities counted from OpenStreetMap-derived city extracts. Updated 2025-12-06.
OpenStreetMap transport extract - Walkability, footway density, and airport access metrics derived from mapped transport features. Updated 2025-12-05.
Oyster List city price model - City price estimates calibrated from local price surveys and jurisdiction-level cost signals. Updated 2026-01-14.
Overture Maps and OpenStreetMap - 4 source-backed neighborhood entities are available for this city. Updated 2026-03-21.

Estimated data

Oyster List AI-assisted estimates - Safety, lifestyle, income, and practical scores are model-assisted estimates derived from source-backed country and city signals. Confidence 72/100.

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