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Holtsville
City in New York, United States
Overview
Holtsville is a quiet hamlet in Suffolk County, Long Island, offering suburban tranquility with easy access to major highways and regional attractions. The community is known for its family-friendly vibe, well-kept parks, and convenient shopping and dining options.
Geographic Context
Jurisdiction
United States
State
New York
Population
—
Time Zone
America/New_York
Coordinates
40.82°, -73.05°
Key Metrics
Safety Score
80
Female Safety
85
LGBTQ+ Safety
83
Traffic Safety
72
Food Safety
97
Monthly Cost
$3,478
Local Cost
$2,400
Local Income
$4,500
Cashless
92
English
100
Temperature
11.6°C
Summer Avg
22.1°C
Winter Avg
1.2°C
Record High
36.1°C
Record Low
-17.1°C
Humidity
80%
Precipitation
1205 mm
Internet Speed
235 Mbps
Upload
183 Mbps
Latency
8 ms
City Vibrancy
—
Coworking
0
Cafes
0
Nightlife
0
Parks
0
Transport
100
Walk Score
100
Footways
203.0
Airport
ISP
Distance
5 km
Explore
Frequently Asked Questions
Data sources
Source-backed data
NASA POWER - Climate normals and monthly weather measurements rendered as city weather metrics. Updated 2026-03-21.
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 8 tests. Updated 2025-12-05.
OpenStreetMap - Nearby amenities counted from OpenStreetMap-derived city extracts. Updated 2025-12-09.
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 63/100.
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