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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

5.2 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

Clackamas County, OR

county

41005

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
423975	88250	251402	84323	103517	7.71	70.66	4.43	611000	0.4521	6.01	332982	4470	21858	2717	42768	168508

to	rel	area_weight
us/states/or/districts/05	in-district	0.6801

to	rel	area_weight
us/states/or/districts/03	in-district	0.2892

to	rel	area_weight
us/states/or/districts/06	in-district	0.0179

to	rel	area_weight
us/states/or/districts/02	in-district	0.0127

to	rel	area_weight
us/states/or/districts/senate/9	in-district	0.5748

to	rel	area_weight
us/states/or/districts/senate/26	in-district	0.3203

to	rel	area_weight
us/states/or/districts/senate/20	in-district	0.0259

to	rel	area_weight
us/states/or/districts/senate/19	in-district	0.0253

to	rel	area_weight
us/states/or/districts/senate/24	in-district	0.0198

to	rel	area_weight
us/states/or/districts/senate/13	in-district	0.0161

to	rel	area_weight
us/states/or/districts/senate/29	in-district	0.0126

to	rel	area_weight
us/states/or/districts/senate/21	in-district	0.0052

to	rel	area_weight
us/states/or/districts/house/18	in-district	0.5748

to	rel	area_weight
us/states/or/districts/house/52	in-district	0.2001

to	rel	area_weight
us/states/or/districts/house/51	in-district	0.1202

to	rel	area_weight
us/states/or/districts/house/48	in-district	0.0198

to	rel	area_weight
us/states/or/districts/house/37	in-district	0.0192

to	rel	area_weight
us/states/or/districts/house/26	in-district	0.0161

to	rel	area_weight
us/states/or/districts/house/39	in-district	0.014

to	rel	area_weight
us/states/or/districts/house/57	in-district	0.0126

to	rel	area_weight
us/states/or/districts/house/40	in-district	0.0119

to	rel	area_weight
us/states/or/districts/house/38	in-district	0.0061

to	rel	area_weight
us/states/or/districts/house/41	in-district	0.0052

field	source
demographics	Census ACS 2023

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

official

jurisdiction

county

2026-07-03

Clackamas County, OR

County jurisdiction — 3 officeholders mapped.

Demographics (ACS 2023)

Measure	Value
Population	423975
Under 18	88250
18–64	251402
65+	84323
Median household income	103517
Poverty rate	7.71
Homeownership rate	70.66
Unemployment rate	4.43
Median home value	611000
Gini index	0.4521
Vacancy rate	6.01
White	332982
Black	4470
Asian	21858
Native	2717
Hispanic/Latino	42768
Bachelor's or higher	168508

Districts

OR-05 — 68% (congressional)
OR-03 — 29% (congressional)
OR-06 — 2% (congressional)
OR-02 — 1% (congressional)
OR Senate District 9 — 57% (state senate)
OR Senate District 26 — 32% (state senate)
OR Senate District 20 — 3% (state senate)
OR Senate District 19 — 3% (state senate)
OR Senate District 24 — 2% (state senate)
OR Senate District 13 — 2% (state senate)
OR Senate District 29 — 1% (state senate)
OR Senate District 21 — 1% (state senate)
OR House District 18 — 57% (state house)
OR House District 52 — 20% (state house)
OR House District 51 — 12% (state house)
OR House District 48 — 2% (state house)
OR House District 37 — 2% (state house)
OR House District 26 — 2% (state house)
OR House District 39 — 1% (state house)
OR House District 57 — 1% (state house)
OR House District 40 — 1% (state house)
OR House District 38 — 1% (state house)
OR House District 41 — 1% (state house)

Source

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

5.2 KiB Raw Blame History Unescape Escape

Clackamas County, OR

Demographics (ACS 2023)

Districts

Source

5.2 KiB

Raw Blame History