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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

3.1 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

Lee County, AL

county

01081

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
181134	37937	119176	24021	65824	18.94	66.34	3.55	262200	0.4944	12.79	120001	40057	7858	742	9779	69554

to	rel	area_weight
us/states/al/districts/03	in-district	0.9982

to	rel	area_weight
us/states/al/districts/senate/27	in-district	0.5463

to	rel	area_weight
us/states/al/districts/senate/13	in-district	0.4533

to	rel	area_weight
us/states/al/districts/house/38	in-district	0.3527

to	rel	area_weight
us/states/al/districts/house/83	in-district	0.1669

to	rel	area_weight
us/states/al/districts/house/37	in-district	0.1265

to	rel	area_weight
us/states/al/districts/house/82	in-district	0.1161

to	rel	area_weight
us/states/al/districts/house/81	in-district	0.0959

to	rel	area_weight
us/states/al/districts/house/80	in-district	0.0749

to	rel	area_weight
us/states/al/districts/house/79	in-district	0.0666

field	source
demographics	Census ACS 2023

field	source
districts	PostGIS area-intersection over Census TIGER 2024 boundaries

official

jurisdiction

county

2026-07-03

Lee County, AL

County jurisdiction — 2 officeholders mapped.

Demographics (ACS 2023)

Measure	Value
Population	181134
Under 18	37937
18–64	119176
65+	24021
Median household income	65824
Poverty rate	18.94
Homeownership rate	66.34
Unemployment rate	3.55
Median home value	262200
Gini index	0.4944
Vacancy rate	12.79
White	120001
Black	40057
Asian	7858
Native	742
Hispanic/Latino	9779
Bachelor's or higher	69554

Districts

AL-03 — 100% (congressional)
AL Senate District 27 — 55% (state senate)
AL Senate District 13 — 45% (state senate)
AL House District 38 — 35% (state house)
AL House District 83 — 17% (state house)
AL House District 37 — 13% (state house)
AL House District 82 — 12% (state house)
AL House District 81 — 10% (state house)
AL House District 80 — 7% (state house)
AL House District 79 — 7% (state house)

Source

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

3.1 KiB Raw Blame History Unescape Escape

Lee County, AL

Demographics (ACS 2023)

Districts

Source

3.1 KiB

Raw Blame History