Data files linking ZIP codes to 2010 Census tracts.
ZIP to Tract crosswalk
| Header | Datatype | Description |
|---|---|---|
| zip | integer | 5 digit USPS ZIP code |
| tract | integer | 11 digit unique 2000 or 2010 Census tract GEOID consisting of state FIPS + county FIPS + tract code. The decimal is implied and leading and trailing zeros have been preserved. |
| res_ratio | number | The ratio of residential addresses in the ZIP – Tract, County, or CBSA part to the total number of residential addresses in the entire ZIP. |
| bus_ratio | number | The ratio of business addresses in the ZIP – Tract, County, or CBSA part to the total number of business addresses in the entire ZIP. |
| oth_ratio | number | The ratio of other addresses in the ZIP – Tract, County, or CBSA part to the total number of other addresses in the entire ZIP. |
| tot_ratio | number | The ratio of all addresses in the ZIP – Tract, County, or CBSA part to the total number of all types of addresses in the entire ZIP. |
Tract to ZIP crosswalk
| Header | Datatype | Description |
|---|---|---|
| tract | integer | |
| zip | integer | 5 digit USPS ZIP code |
| res_ratio | number | The ratio of residential addresses in the ZIP – Tract, County, or CBSA part to the total number of residential addresses in the entire ZIP. |
| bus_ratio | number | The ratio of business addresses in the ZIP – Tract, County, or CBSA part to the total number of business addresses in the entire ZIP. |
| oth_ratio | number | The ratio of other addresses in the ZIP – Tract, County, or CBSA part to the total number of other addresses in the entire ZIP. |
| tot_ratio | number | The ratio of all addresses in the ZIP – Tract, County, or CBSA part to the total number of all types of addresses in the entire ZIP. |