Library Access Index
adw.adw_511Returns a 0-100 public library access score for any of 3,222 US counties (per-capita branch density, service hours, and service-capacity measures, normalized to the national distribution) with score, national_percentile, driver attributions, confidence, and methodology_version. Call when the user asks about library access, civic or educational infrastructure, or digital-equity gaps, or when timing grant targeting, levy proposals, or public-sector market prioritization. Updates: on source cadence.
Input Schema
| Name | Required | Description | Default |
|---|---|---|---|
| days | No | Optional: return a daily HISTORY series of the last N days (up to 5 years of real archived data) instead of the current snapshot. History requires Gold tier; without it, the current snapshot is returned. |