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US CensusU.S. Census Bureau — State Population Estimates (2024 vintage)
U.S. Census Bureau · Tier-1 · research-only (never on individual profiles)
U.S. Census Bureau state population estimates (2024 vintage) are the canonical denominator for per-capita statistics across federal data. Used as the reference population for per-100k provider density calculations in our research.
How this source shows up on OwnListed.
Per-capita denominators in research studies (e.g. 'X dermatologists per 100,000 residents'). Tier-1 — appears in study tables and methodology, never on individual provider profiles.
What this source does NOT mean
Census state populations are demographic counts, not a measurement of healthcare access or service quality. A state with 1.75 dermatologists per 100k is not categorically 'better' than one with 0.40; the per-capita figure is a supply signal, not a quality signal.
What we can’t infer from this source.
- Population vintage matters; 2024 estimates are mid-year point-in-time projections from the 2020 decennial.
- Sub-state geographies (county / city) require Census Bureau Population Estimates Program separately.
- Tier-1 — never rendered on individual provider profiles.
Authority, license, refresh cadence.
Authority
U.S. Census Bureau
Tier
Tier-1 · research-only (never on individual profiles)
Refresh cadence
Annual — Census publishes state-population estimates each year for the most recent vintage.
License
U.S. government public-domain data. Free to use with attribution.
Attribution requirement
Source: U.S. Census Bureau, State Population Estimates · Vintage {YYYY}
What the source allows.
U.S. government public-domain works. Census publishes population estimates as bulk CSV. Redistribution permitted with attribution; please cite the vintage year. OwnListed uses state-level estimates as denominators in per-capita research.
What a single field looks like in the graph.
A worked example. Every field surfaced from this source carries this shape of provenance line — source · last checked · display rule · confidence (when applicable).
Field
State population (per-capita denominator, research-only)
Sample value
California: 39,431,263 (2024 vintage)
Provenance line
Source: U.S. Census Bureau, State Population Estimates · 2024 vintage · Display rule: research-only — appears in study tables and methodology
Where this source already shows up.
Research studies citing this source
- /sources → The full source library — every dataset OwnListed cites.
- /data-provenance → The provider graph — pipeline diagram, source-family clusters, field-level provenance examples, display rules.
- /methodology → Network-wide sourcing, refresh cadence, and corrections policy.
- /editorial-policy → Independence, sourcing, conflicts, corrections, retractions.