Surrey’s ArcGIS catalog provides datasets for download in CSV, KML, GeoJSON and other formats, with maps and charts.
Hartford Data
Open Data Hartford lets visitors discover, analyze, and download data in formats including CSV, KML, GeoJSON, GeoTIFF, and PNG.

About Hartford Data
Open Data Hartford is a website for discovering, analyzing and downloading datasets. It supports chart and thematic-map analysis and offers several formats for data downloads. Visitors can also create StoryMaps and Web Maps.
Pricing is not clearly stated.
Key features
- Download data in CSV, KML, Zip, GeoJSON, GeoTIFF and PNG
- API links for GeoServices, WMS and WFS
- Create StoryMaps and Web Maps
Hartford Data at a glance
- Official website
- data.hartford.gov
- Category
- Research & Data › Geographic & Mapping Data
- Type
- Dataset
- Platforms
- Web
- Details verified
- Oct 22, 2026 · Official source
- Language
- English
- Last checked
- Oct 5, 2026 · Online when checked
- Listed
- Oct 5, 2026
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