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Sullivan City
City in Texas, United States
Overview
Sullivan City is a small, friendly border town in southern Texas, known for its tight-knit community and cultural blend of American and Mexican influences. Life here is quiet, affordable, and centered around local traditions.
Geographic Context
Jurisdiction
United States
State
Texas
Population
3,908
Time Zone
America/Chicago
Coordinates
26.28°, -98.56°
Key Metrics
Safety Score
55
Female Safety
55
LGBTQ+ Safety
50
Traffic Safety
60
Food Safety
80
Monthly Cost
$1,575
Local Cost
$950
Local Income
$1,800
Cashless
55
English
85
Temperature
23.9°C
Summer Avg
30.3°C
Winter Avg
16.1°C
Record High
44.6°C
Record Low
-4.5°C
Humidity
65%
Precipitation
604 mm
Internet Speed
266 Mbps
Upload
6 Mbps
Latency
25 ms
City Vibrancy
1
Coworking
0
Cafes
0
Nightlife
0
Parks
1
Transport
0
Walk Score
0
Footways
—
Airport
MFE
Distance
34 km
Explore
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.
World Air Quality Index - Latest available city-level air quality station measurement. Updated 2025-12-05.
Ookla Open Data - Internet speed aggregates for 2024Q3 from 2 tests. Updated 2025-12-05.
OpenStreetMap - Nearby amenities counted from OpenStreetMap-derived city extracts. Updated 2025-12-07.
OpenStreetMap transport extract - Walkability, footway density, and airport access metrics derived from mapped transport features. Updated 2025-12-06.
Oyster List city price model - City price estimates calibrated from local price surveys and jurisdiction-level cost signals. Updated 2026-01-14.
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 68/100.
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