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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

Newport County, RI

county

44005

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
84657	13551	49500	21606	103514	8.49	67.87	5.8	609700	0.4646	15.56	70849	2916	1448	171	5701	49077

to	rel	area_weight
us/states/ri/districts/01	in-district	0.3621

to	rel	area_weight
us/states/ri/districts/senate/12	in-district	0.1843

to	rel	area_weight
us/states/ri/districts/senate/11	in-district	0.0789

to	rel	area_weight
us/states/ri/districts/senate/13	in-district	0.0562

to	rel	area_weight
us/states/ri/districts/senate/10	in-district	0.0301

to	rel	area_weight
us/states/ri/districts/house/71	in-district	0.1208

to	rel	area_weight
us/states/ri/districts/house/70	in-district	0.0719

to	rel	area_weight
us/states/ri/districts/house/72	in-district	0.0575

to	rel	area_weight
us/states/ri/districts/house/74	in-district	0.0476

to	rel	area_weight
us/states/ri/districts/house/69	in-district	0.0211

to	rel	area_weight
us/states/ri/districts/house/75	in-district	0.0194

to	rel	area_weight
us/states/ri/districts/house/73	in-district	0.0112

field	source
demographics	Census ACS 2023

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

official

jurisdiction

county

2026-07-03

Newport County, RI

County jurisdiction — 1 officeholders mapped.

Demographics (ACS 2023)

Measure	Value
Population	84657
Under 18	13551
18–64	49500
65+	21606
Median household income	103514
Poverty rate	8.49
Homeownership rate	67.87
Unemployment rate	5.8
Median home value	609700
Gini index	0.4646
Vacancy rate	15.56
White	70849
Black	2916
Asian	1448
Native	171
Hispanic/Latino	5701
Bachelor's or higher	49077

Districts

RI-01 — 36% (congressional)
RI Senate District 12 — 18% (state senate)
RI Senate District 11 — 8% (state senate)
RI Senate District 13 — 6% (state senate)
RI Senate District 10 — 3% (state senate)
RI House District 71 — 12% (state house)
RI House District 70 — 7% (state house)
RI House District 72 — 6% (state house)
RI House District 74 — 5% (state house)
RI House District 69 — 2% (state house)
RI House District 75 — 2% (state house)
RI House District 73 — 1% (state house)

Source

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

3.4 KiB Raw Blame History Unescape Escape

Newport County, RI

Demographics (ACS 2023)

Districts

Source

3.4 KiB

Raw Blame History