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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

10 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

Providence County, RI

county

44007

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
664854	133940	422402	108512	78787	13.41	56.93	6.56	373600	0.4618	6.67	396508	52364	28206	4298	170376	208021

to	rel	area_weight
us/states/ri/districts/02	in-district	0.6479

to	rel	area_weight
us/states/ri/districts/01	in-district	0.3444

to	rel	area_weight
us/states/ri/districts/senate/23	in-district	0.2692

to	rel	area_weight
us/states/ri/districts/senate/21	in-district	0.2444

to	rel	area_weight
us/states/ri/districts/senate/17	in-district	0.0861

to	rel	area_weight
us/states/ri/districts/senate/22	in-district	0.0683

to	rel	area_weight
us/states/ri/districts/senate/25	in-district	0.0546

to	rel	area_weight
us/states/ri/districts/senate/19	in-district	0.0455

to	rel	area_weight
us/states/ri/districts/senate/26	in-district	0.0387

to	rel	area_weight
us/states/ri/districts/senate/20	in-district	0.0316

to	rel	area_weight
us/states/ri/districts/senate/18	in-district	0.0172

to	rel	area_weight
us/states/ri/districts/senate/27	in-district	0.0168

to	rel	area_weight
us/states/ri/districts/senate/14	in-district	0.0143

to	rel	area_weight
us/states/ri/districts/senate/28	in-district	0.0138

to	rel	area_weight
us/states/ri/districts/senate/24	in-district	0.0116

to	rel	area_weight
us/states/ri/districts/senate/4	in-district	0.011

to	rel	area_weight
us/states/ri/districts/senate/3	in-district	0.009

to	rel	area_weight
us/states/ri/districts/senate/15	in-district	0.0086

to	rel	area_weight
us/states/ri/districts/senate/8	in-district	0.0076

to	rel	area_weight
us/states/ri/districts/senate/6	in-district	0.0074

to	rel	area_weight
us/states/ri/districts/senate/7	in-district	0.0073

to	rel	area_weight
us/states/ri/districts/senate/1	in-district	0.0066

to	rel	area_weight
us/states/ri/districts/senate/32	in-district	0.0064

to	rel	area_weight
us/states/ri/districts/senate/5	in-district	0.0052

to	rel	area_weight
us/states/ri/districts/senate/2	in-district	0.005

to	rel	area_weight
us/states/ri/districts/house/40	in-district	0.2353

to	rel	area_weight
us/states/ri/districts/house/41	in-district	0.1431

to	rel	area_weight
us/states/ri/districts/house/47	in-district	0.1077

to	rel	area_weight
us/states/ri/districts/house/48	in-district	0.0867

to	rel	area_weight
us/states/ri/districts/house/53	in-district	0.0513

to	rel	area_weight
us/states/ri/districts/house/52	in-district	0.0383

to	rel	area_weight
us/states/ri/districts/house/44	in-district	0.0367

to	rel	area_weight
us/states/ri/districts/house/42	in-district	0.0283

to	rel	area_weight
us/states/ri/districts/house/46	in-district	0.028

to	rel	area_weight
us/states/ri/districts/house/43	in-district	0.0204

to	rel	area_weight
us/states/ri/districts/house/15	in-district	0.0193

to	rel	area_weight
us/states/ri/districts/house/45	in-district	0.0167

to	rel	area_weight
us/states/ri/districts/house/51	in-district	0.0114

to	rel	area_weight
us/states/ri/districts/house/63	in-district	0.011

to	rel	area_weight
us/states/ri/districts/house/57	in-district	0.0107

to	rel	area_weight
us/states/ri/districts/house/65	in-district	0.0102

to	rel	area_weight
us/states/ri/districts/house/17	in-district	0.0088

to	rel	area_weight
us/states/ri/districts/house/64	in-district	0.008

to	rel	area_weight
us/states/ri/districts/house/12	in-district	0.0069

to	rel	area_weight
us/states/ri/districts/house/49	in-district	0.0069

to	rel	area_weight
us/states/ri/districts/house/50	in-district	0.0066

to	rel	area_weight
us/states/ri/districts/house/4	in-district	0.0064

to	rel	area_weight
us/states/ri/districts/house/55	in-district	0.0064

to	rel	area_weight
us/states/ri/districts/house/54	in-district	0.0057

to	rel	area_weight
us/states/ri/districts/house/66	in-district	0.0057

to	rel	area_weight
us/states/ri/districts/house/14	in-district	0.0056

to	rel	area_weight
us/states/ri/districts/house/16	in-district	0.0056

to	rel	area_weight
us/states/ri/districts/house/62	in-district	0.005

field	source
demographics	Census ACS 2023

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

official

jurisdiction

county

2026-07-03

Providence County, RI

County jurisdiction — 6 officeholders mapped.

Demographics (ACS 2023)

Measure	Value
Population	664854
Under 18	133940
18–64	422402
65+	108512
Median household income	78787
Poverty rate	13.41
Homeownership rate	56.93
Unemployment rate	6.56
Median home value	373600
Gini index	0.4618
Vacancy rate	6.67
White	396508
Black	52364
Asian	28206
Native	4298
Hispanic/Latino	170376
Bachelor's or higher	208021

Districts

RI-02 — 65% (congressional)
RI-01 — 34% (congressional)
RI Senate District 23 — 27% (state senate)
RI Senate District 21 — 24% (state senate)
RI Senate District 17 — 9% (state senate)
RI Senate District 22 — 7% (state senate)
RI Senate District 25 — 5% (state senate)
RI Senate District 19 — 5% (state senate)
RI Senate District 26 — 4% (state senate)
RI Senate District 20 — 3% (state senate)
RI Senate District 18 — 2% (state senate)
RI Senate District 27 — 2% (state senate)
RI Senate District 14 — 1% (state senate)
RI Senate District 28 — 1% (state senate)
RI Senate District 24 — 1% (state senate)
RI Senate District 4 — 1% (state senate)
RI Senate District 3 — 1% (state senate)
RI Senate District 15 — 1% (state senate)
RI Senate District 8 — 1% (state senate)
RI Senate District 6 — 1% (state senate)
RI Senate District 7 — 1% (state senate)
RI Senate District 1 — 1% (state senate)
RI Senate District 32 — 1% (state senate)
RI Senate District 5 — 1% (state senate)
RI Senate District 2 — 0% (state senate)
RI House District 40 — 24% (state house)
RI House District 41 — 14% (state house)
RI House District 47 — 11% (state house)
RI House District 48 — 9% (state house)
RI House District 53 — 5% (state house)
RI House District 52 — 4% (state house)
RI House District 44 — 4% (state house)
RI House District 42 — 3% (state house)
RI House District 46 — 3% (state house)
RI House District 43 — 2% (state house)
RI House District 15 — 2% (state house)
RI House District 45 — 2% (state house)
RI House District 51 — 1% (state house)
RI House District 63 — 1% (state house)
RI House District 57 — 1% (state house)
RI House District 65 — 1% (state house)
RI House District 17 — 1% (state house)
RI House District 64 — 1% (state house)
RI House District 12 — 1% (state house)
RI House District 49 — 1% (state house)
RI House District 50 — 1% (state house)
RI House District 4 — 1% (state house)
RI House District 55 — 1% (state house)
RI House District 54 — 1% (state house)
RI House District 66 — 1% (state house)
RI House District 14 — 1% (state house)
RI House District 16 — 1% (state house)
RI House District 62 — 0% (state house)

Source

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

10 KiB Raw Blame History Unescape Escape

Providence County, RI

Demographics (ACS 2023)

Districts

Source

10 KiB

Raw Blame History