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
ZIP → county
Sample of 25 rows out of about 46,915
· 7 columns
| zcta | county_geoid | state_fips | county_fips | county_name | arealand_part | areawater_part |
|---|---|---|---|---|---|---|
| 00601 | 72001 | 72 | 001 | Adjuntas Municipio | 164781682 | 799292 |
| 00601 | 72141 | 72 | 141 | Utuado Municipio | 2066227 | 0 |
| 00602 | 72003 | 72 | 003 | Aguada Municipio | 78530159 | 4428428 |
| 00602 | 72011 | 72 | 011 | Añasco Municipio | 16554 | 0 |
| 00603 | 72005 | 72 | 005 | Aguadilla Municipio | 88747846 | 6276536 |
| 00603 | 72099 | 72 | 099 | Moca Municipio | 209487 | 0 |
| 00606 | 72093 | 72 | 093 | Maricao Municipio | 94466099 | 12487 |
| 00606 | 72121 | 72 | 121 | Sabana Grande Municipio | 6960442 | 0 |
| 00606 | 72153 | 72 | 153 | Yauco Municipio | 13398841 | 0 |
| 00610 | 72003 | 72 | 003 | Aguada Municipio | 82104 | 0 |
| 00610 | 72011 | 72 | 011 | Añasco Municipio | 93009966 | 4310530 |
| 00610 | 72083 | 72 | 083 | Las Marías Municipio | 342983 | 0 |
| 00610 | 72099 | 72 | 099 | Moca Municipio | 2694297 | 0 |
| 00611 | 72141 | 72 | 141 | Utuado Municipio | 27570859 | 3631 |
| 00612 | 72013 | 72 | 013 | Arecibo Municipio | 195161357 | 12843144 |
| 00612 | 72017 | 72 | 017 | Barceloneta Municipio | 176895 | 2412060 |
| 00612 | 72065 | 72 | 065 | Hatillo Municipio | 1864502 | 3187 |
| 00616 | 72013 | 72 | 013 | Arecibo Municipio | 28189755 | 143499 |
| 00617 | 72017 | 72 | 017 | Barceloneta Municipio | 47372606 | 1692937 |
| 00617 | 72054 | 72 | 054 | Florida Municipio | 166039 | 0 |
| 00622 | 72023 | 72 | 023 | Cabo Rojo Municipio | 80724808 | 19583150 |
| 00623 | 72023 | 72 | 023 | Cabo Rojo Municipio | 101522968 | 14192149 |
| 00624 | 72111 | 72 | 111 | Peñuelas Municipio | 115558559 | 15384817 |
| 00624 | 72113 | 72 | 113 | Ponce Municipio | 6065417 | 2558 |
| 00627 | 72027 | 72 | 027 | Camuy Municipio | 120058676 | 3506587 |
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