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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

3.4 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

Thurston County, WA

county

53067

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
299067	62380	180615	56072	96563	9.55	67.69	5.15	480300	0.4025	5.0	215637	9947	18347	3375	31748	114273

to	rel	area_weight
us/states/wa/districts/10	in-district	0.6149

to	rel	area_weight
us/states/wa/districts/03	in-district	0.3683

to	rel	area_weight
us/states/wa/districts/senate/35	in-district	0.3994

to	rel	area_weight
us/states/wa/districts/senate/2	in-district	0.3422

to	rel	area_weight
us/states/wa/districts/senate/22	in-district	0.155

to	rel	area_weight
us/states/wa/districts/senate/20	in-district	0.0474

to	rel	area_weight
us/states/wa/districts/senate/19	in-district	0.0373

to	rel	area_weight
us/states/wa/districts/house/35	in-district	0.3994

to	rel	area_weight
us/states/wa/districts/house/2	in-district	0.3422

to	rel	area_weight
us/states/wa/districts/house/22	in-district	0.155

to	rel	area_weight
us/states/wa/districts/house/20	in-district	0.0474

to	rel	area_weight
us/states/wa/districts/house/19	in-district	0.0373

field	source
demographics	Census ACS 2023

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

official

jurisdiction

county

2026-07-03

Thurston County, WA

County jurisdiction — 2 officeholders mapped.

Demographics (ACS 2023)

Measure	Value
Population	299067
Under 18	62380
18–64	180615
65+	56072
Median household income	96563
Poverty rate	9.55
Homeownership rate	67.69
Unemployment rate	5.15
Median home value	480300
Gini index	0.4025
Vacancy rate	5.0
White	215637
Black	9947
Asian	18347
Native	3375
Hispanic/Latino	31748
Bachelor's or higher	114273

Districts

WA-10 — 61% (congressional)
WA-03 — 37% (congressional)
WA Senate District 35 — 40% (state senate)
WA Senate District 2 — 34% (state senate)
WA Senate District 22 — 16% (state senate)
WA Senate District 20 — 5% (state senate)
WA Senate District 19 — 4% (state senate)
WA House District 35 — 40% (state house)
WA House District 2 — 34% (state house)
WA House District 22 — 16% (state house)
WA House District 20 — 5% (state house)
WA House District 19 — 4% (state house)

Source

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

3.4 KiB Raw Blame History Unescape Escape

Thurston County, WA

Demographics (ACS 2023)

Districts

Source

3.4 KiB

Raw Blame History