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Census Bureau

ZIP, county & metro crosswalks

Which counties each ZIP code falls in (Census land overlap), each ZIP's primary county, and which metro area each county belongs to. Connecticut uses its planning regions.

Published by Census Bureau Finest detail ZIP Tables 5
How we use this · on 9 desks

“Which county is this ZIP code mostly in?”

Where you'll see it

  • CareSite Ops: Counties under strain, Facility dossier, Dashboard, Help, and 8 more
  • Health Markets: At a glance, Compare markets, Facility costs, Help, and 8 more
  • Health Care Loans & Sales: Counties under strain, Facility dossier, Buildings, Financials, and 6 more
  • Region Brief: All counties, At a glance, Build a region, Compare places, and 6 more
  • Business & Site Planning: Workers and wages, Metro dossier, 1 · Markets, Farms & food, and 3 more
  • Disaster Readiness: Area study, Build a region, Know the risk, People & resources, and 2 more
  • Rural Development: Check an address, County profile, Find grants, Help
  • Legislative: Find your representatives, Help, Campaign money, Start here, and 1 more
  • Farm & Food Markets: Farm places, Feed and fuel, Help, How it connects, and 3 more
  • AI & Spreadsheets: at Level 3, link it into Excel or Google Sheets, download it, or ask your AI assistant about it

What we added

  • The glue behind every page: it lets ZIP, county, and metro data meet
  • Connecticut's new planning regions filled in, where the agency still reports the old counties
  • Checked every day for a new release, and loaded when there is one

See the desks →

ZIP area centers Sample of 25 rows out of about 33,966 · 4 columns
zctalatlonland_sq_mi
0060118.180555-66.74996164.416
0060218.361945-67.17559730.327
0060318.457399-67.12486734.356
0060618.158327-66.93292844.334
0061018.295304-67.1251837.124
0061118.276316-66.80716510.649
0061218.416727-66.7000976.254
0061618.420408-66.67198610.879
0061718.446889-66.56115418.343
0062217.988103-67.16035731.168
0062318.084371-67.15876539.198
0062418.051808-66.72171146.997
0062718.412423-66.86370846.447
0063118.184294-66.8307953.126
0063618.1636-67.0800970.367
0063718.080103-66.94797535.161
0063818.280188-66.51311171.401
0064118.268074-66.70178584.106
0064618.432897-66.28649921.052
0064717.963613-66.94712715.799
0065018.349209-66.57811231.74
0065218.448446-66.5941116.44
0065317.988642-66.9016922.112
0065618.040467-66.7896842.144
0065918.407304-66.80899541.021

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