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Overview
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Get an API key
Spreadsheets
Overview
Guides
Geocode a Spreadsheet
Pricing
Self-Serve
Enterprise
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Real Estate
Financial Services
Politics & Advocacy
Healthcare
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GEOIDs
Illinois
Mason County
Mason County
Illinois
GEOID Information
State FIPS
17
County FIPS
125
Full GEOID
17125
Center Coordinates
40.243461, -89.977768
Census Tracts
6
Census Tracts (6)
Tract Code
Full GEOID
956600
17125956600
956300
17125956300
956700
17125956700
956400
17125956400
956500
17125956500
956800
17125956800
