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republic-os/data/jurisdictions/us/states/in/counties/marion/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

6.1 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 Marion County, IN county 18097 IN
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
975809 243915 603442 128452 66346 15.35 56.55 5.03 224000 0.465 9.21 506230 267690 39759 5651 134243 303489
to rel area_weight
us/states/in/districts/07 in-district 0.7018
to rel area_weight
us/states/in/districts/06 in-district 0.298
to rel area_weight
us/states/in/districts/senate/32 in-district 0.1618
to rel area_weight
us/states/in/districts/senate/35 in-district 0.1475
to rel area_weight
us/states/in/districts/senate/30 in-district 0.1403
to rel area_weight
us/states/in/districts/senate/34 in-district 0.1193
to rel area_weight
us/states/in/districts/senate/36 in-district 0.1058
to rel area_weight
us/states/in/districts/senate/46 in-district 0.0921
to rel area_weight
us/states/in/districts/senate/33 in-district 0.0896
to rel area_weight
us/states/in/districts/senate/29 in-district 0.0838
to rel area_weight
us/states/in/districts/senate/31 in-district 0.0376
to rel area_weight
us/states/in/districts/senate/28 in-district 0.0221
to rel area_weight
us/states/in/districts/house/91 in-district 0.1413
to rel area_weight
us/states/in/districts/house/90 in-district 0.1012
to rel area_weight
us/states/in/districts/house/89 in-district 0.0927
to rel area_weight
us/states/in/districts/house/86 in-district 0.0843
to rel area_weight
us/states/in/districts/house/87 in-district 0.0827
to rel area_weight
us/states/in/districts/house/92 in-district 0.0724
to rel area_weight
us/states/in/districts/house/97 in-district 0.0658
to rel area_weight
us/states/in/districts/house/93 in-district 0.0525
to rel area_weight
us/states/in/districts/house/98 in-district 0.0507
to rel area_weight
us/states/in/districts/house/95 in-district 0.0506
to rel area_weight
us/states/in/districts/house/96 in-district 0.0493
to rel area_weight
us/states/in/districts/house/99 in-district 0.0475
to rel area_weight
us/states/in/districts/house/94 in-district 0.0417
to rel area_weight
us/states/in/districts/house/100 in-district 0.0379
to rel area_weight
us/states/in/districts/house/88 in-district 0.0202
to rel area_weight
us/states/in/districts/house/32 in-district 0.0089
field source
demographics Census ACS 2023
field source
districts PostGIS area-intersection over Census TIGER 2024 boundaries
official
jurisdiction
county
in
2026-07-03

Marion County, IN

County jurisdiction — 1 officeholders mapped.

Demographics (ACS 2023)

Measure Value
Population 975809
Under 18 243915
18–64 603442
65+ 128452
Median household income 66346
Poverty rate 15.35
Homeownership rate 56.55
Unemployment rate 5.03
Median home value 224000
Gini index 0.465
Vacancy rate 9.21
White 506230
Black 267690
Asian 39759
Native 5651
Hispanic/Latino 134243
Bachelor's or higher 303489

Districts

Source

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