Files
republic-os/data/jurisdictions/us/states/ca/counties/contra-costa/index.md
T
Fabio 199d8b37d3 Municipals: nest 1,823 city officeholders under their real counties
Pull Atlas's place→county crosswalk (Census TIGER 2024 places × county
geometries, 32,041 places) into the build as a committed raw input, and
use it to resolve municipal officeholders whose county was unknown.

- data/place_county_crosswalk.jsonl — new raw input (place_geoid → county_geoid)
- build.py — place-name+state → county_geoid → ACS county slug as a fallback
  in county_slug(); city_slug() generalized to non-FL bare place labels
- data/sources/sources.yaml — provenance entry for the crosswalk

_unresolved municipals: 1919 → 58. The remainder are genuine: CT planning
regions (post-county), county-level rows mislabeled municipal upstream,
consolidated city-counties (null label), Wikidata-QID placeholder names,
and ambiguous same-name places — left unresolved rather than guessed.

Join key is county_geoid (5-digit FIPS); the directory slug is taken from
the ACS county node so municipals nest under the exact existing county dir.
Deterministic (byte-identical rebuild); validate.py passes 19,721 records.

Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>
2026-07-04 20:23:57 -04:00

1.3 KiB
Raw Blame History

type, title, classification, fips, state, demographics, sources, confidence, tags, timestamp
type title classification fips state demographics sources confidence tags timestamp
Jurisdiction Contra Costa County, CA county 06013 CA
population population_under_18 population_18_64 population_65_plus median_household_income poverty_rate homeownership_rate unemployment_rate median_home_value gini_index vacancy_rate race_white race_black race_asian race_native hispanic bachelors_plus
1165012 256000 709742 199270 127229 8.36 68.0 6.49 866800 0.4715 3.46 479110 96408 219557 11438 321749 513781
field source
demographics Census ACS 2023
official
jurisdiction
county
ca
2026-07-03

Contra Costa County, CA

County jurisdiction — 7 officeholders mapped.

Demographics (ACS 2023)

Measure Value
Population 1165012
Under 18 256000
1864 709742
65+ 199270
Median household income 127229
Poverty rate 8.36
Homeownership rate 68.0
Unemployment rate 6.49
Median home value 866800
Gini index 0.4715
Vacancy rate 3.46
White 479110
Black 96408
Asian 219557
Native 11438
Hispanic/Latino 321749
Bachelor's or higher 513781

Source

  • demographics: Census ACS 2023