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republic-os/data/jurisdictions/us/states/il/counties/dupage/index.md
T
Fabio 1beeaab2db Graph: national county↔district↔legislator authority layer 
The first edges in the repo. Every US county now links to the districts it
sits in, weighted by area overlap, and every legislator links to the district
they represent — county → district → representative, traversable.

Data (PostGIS, no Atlas dependency — computed directly from geometry):
- data/county_district_edges.jsonl — 16,328 weighted edges. area_weight =
  ST_Area(ST_Intersection(county, district))/ST_Area(county) over ST_MakeValid
  Census TIGER 2024 geometries, overlaps <0.5% dropped. Uses area-intersection,
  NOT centroid-in-polygon, so urban districts that carve through counties
  (e.g. GA CD-5 / Atlanta across Clayton+DeKalb+Fulton) are captured, not
  silently dropped. Per-county weights sum to ~1.0 per district type.

build.py:
- ~6,896 new district nodes: 435 CD (ACS demographics where available; sparse
  for the 8 states missing from acs_cd) + 4,927 state-house + 1,897 state-senate
  (geometry-only). GEOID/number-keyed, stable.
- county index.md gains a `districts:` block (frontmatter) + a ## Districts
  section (body links, so link-integrity checks them).
- legislators + US House members gain `represents:` pointing at their district
  node; edge stored once on the person, inverse left to the view.
- schemas/jurisdiction: classification enum + chamber/districts fields.

Honest gaps (logged, not hidden): ID + NH have no state-house geometry, so
their house districts get nodes (represents resolves) but no county edges;
CD nodes for acs_cd-missing states are demographically sparse.

Deterministic (byte-identical rebuild); validate.py passes 26,617 records,
link-integrity clean (every district/represents link resolves).

Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>
2026-07-04 22:28:08 -04:00

6.7 KiB
Raw Blame History

type, title, classification, fips, state, demographics, districts, sources, confidence, tags, timestamp
type title classification fips state demographics districts sources confidence tags timestamp
Jurisdiction DuPage County, IL county 17043 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
930024 206075 562709 161240 112096 6.56 73.12 4.93 391400 0.4587 4.47 602548 46090 121134 4229 149533 472215
to rel area_weight
us/states/il/districts/03 in-district 0.3023
to rel area_weight
us/states/il/districts/06 in-district 0.2646
to rel area_weight
us/states/il/districts/11 in-district 0.2377
to rel area_weight
us/states/il/districts/08 in-district 0.1555
to rel area_weight
us/states/il/districts/04 in-district 0.0397
to rel area_weight
us/states/il/districts/senate/24 in-district 0.2344
to rel area_weight
us/states/il/districts/senate/23 in-district 0.1699
to rel area_weight
us/states/il/districts/senate/41 in-district 0.1694
to rel area_weight
us/states/il/districts/senate/21 in-district 0.1579
to rel area_weight
us/states/il/districts/senate/25 in-district 0.1562
to rel area_weight
us/states/il/districts/senate/39 in-district 0.0338
to rel area_weight
us/states/il/districts/senate/42 in-district 0.0326
to rel area_weight
us/states/il/districts/senate/4 in-district 0.0174
to rel area_weight
us/states/il/districts/senate/33 in-district 0.0134
to rel area_weight
us/states/il/districts/senate/28 in-district 0.0089
to rel area_weight
us/states/il/districts/senate/43 in-district 0.0061
to rel area_weight
us/states/il/districts/house/49 in-district 0.147
to rel area_weight
us/states/il/districts/house/47 in-district 0.1422
to rel area_weight
us/states/il/districts/house/48 in-district 0.0922
to rel area_weight
us/states/il/districts/house/42 in-district 0.092
to rel area_weight
us/states/il/districts/house/81 in-district 0.0903
to rel area_weight
us/states/il/districts/house/45 in-district 0.0862
to rel area_weight
us/states/il/districts/house/46 in-district 0.0837
to rel area_weight
us/states/il/districts/house/82 in-district 0.0791
to rel area_weight
us/states/il/districts/house/41 in-district 0.0659
to rel area_weight
us/states/il/districts/house/77 in-district 0.0338
to rel area_weight
us/states/il/districts/house/84 in-district 0.0326
to rel area_weight
us/states/il/districts/house/7 in-district 0.0174
to rel area_weight
us/states/il/districts/house/65 in-district 0.0134
to rel area_weight
us/states/il/districts/house/50 in-district 0.0093
to rel area_weight
us/states/il/districts/house/56 in-district 0.0089
to rel area_weight
us/states/il/districts/house/85 in-district 0.0061
field source
demographics Census ACS 2023
field source
districts PostGIS area-intersection over Census TIGER 2024 boundaries
official
jurisdiction
county
il
2026-07-03

DuPage County, IL

County jurisdiction — 1 officeholders mapped.

Demographics (ACS 2023)

Measure Value
Population 930024
Under 18 206075
18–64 562709
65+ 161240
Median household income 112096
Poverty rate 6.56
Homeownership rate 73.12
Unemployment rate 4.93
Median home value 391400
Gini index 0.4587
Vacancy rate 4.47
White 602548
Black 46090
Asian 121134
Native 4229
Hispanic/Latino 149533
Bachelor's or higher 472215

Districts

Source

  • demographics: Census ACS 2023
  • districts: PostGIS area-intersection over Census TIGER 2024 boundaries
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