# PDP State/County Penetration, 2008-2026

`medicare_silver.pdp_state_county_penetration` · Medicare Advantage, Part D, Medicaid · status live · 712,768 rows

For every county and month: Medicare eligibles, stand-alone PDP enrollment and PDP penetration, the PDP twin of MA State/County Penetration (same columns, identical eligibles). 2026-09: 3,188 rows, 69,511,516 eligibles, 25,021,800 PDP enrollees.

**Grain.** One row per (fipsst, fipscnty, report_month).

| column | type | meaning |
|---|---|---|
| fipsst | string |  |
| fipscnty | string |  |
| report_month | date |  |
| state_name | string |  |
| county_name | string |  |
| fips | string |  |
| ssast | string |  |
| ssacnty | string |  |
| ssa | string |  |
| eligibles | int |  |
| enrolled | int |  |
| enrolled_lower_bound | int |  |
| enrolled_upper_bound | int |  |
| penetration | double |  |
| suppression_reason_code | string |  |
| observed_period | date |  |
| asserted_at | date |  |
| effective_period_start | date |  |
| effective_period_end | date |  |
| cms_vintage_sequence | int |  |
| parse_revision | int |  |
| parser_artifact_hash | string |  |
| source_url | string |  |
| sha256_content_hash | string |  |

Query it: `query_substrate` with `SELECT ... FROM medicare_silver.pdp_state_county_penetration WHERE ... LIMIT 100`; read `describe_data_source("medicare_silver.pdp_state_county_penetration")` first.