Files
republic-os/data/jurisdictions/us/states/il/counties/sangamon/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

1.2 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 Sangamon County, IL county 17167 IL
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
194947 42640 114458 37849 75357 13.11 71.31 5.43 176300 0.4637 9.23 152344 24767 4464 135 5721 70266
field source
demographics Census ACS 2023
official
jurisdiction
county
il
2026-07-03

Sangamon County, IL

County jurisdiction — 1 officeholders mapped.

Demographics (ACS 2023)

Measure Value
Population 194947
Under 18 42640
1864 114458
65+ 37849
Median household income 75357
Poverty rate 13.11
Homeownership rate 71.31
Unemployment rate 5.43
Median home value 176300
Gini index 0.4637
Vacancy rate 9.23
White 152344
Black 24767
Asian 4464
Native 135
Hispanic/Latino 5721
Bachelor's or higher 70266

Source

  • demographics: Census ACS 2023