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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

4.7 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

Androscoggin County, ME

county

23001

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
113423	23588	68376	21459	67873	14.38	67.87	4.33	252800	0.433	6.97	99336	6347	1359	189	2495	24129

to	rel	area_weight
us/states/me/districts/02	in-district	0.9982

to	rel	area_weight
us/states/me/districts/senate/17	in-district	0.541

to	rel	area_weight
us/states/me/districts/senate/20	in-district	0.3051

to	rel	area_weight
us/states/me/districts/senate/18	in-district	0.0823

to	rel	area_weight
us/states/me/districts/senate/21	in-district	0.0714

to	rel	area_weight
us/states/me/districts/house/91	in-district	0.2138

to	rel	area_weight
us/states/me/districts/house/92	in-district	0.1249

to	rel	area_weight
us/states/me/districts/house/90	in-district	0.1137

to	rel	area_weight
us/states/me/districts/house/76	in-district	0.1054

to	rel	area_weight
us/states/me/districts/house/87	in-district	0.1054

to	rel	area_weight
us/states/me/districts/house/98	in-district	0.081

to	rel	area_weight
us/states/me/districts/house/88	in-district	0.0745

to	rel	area_weight
us/states/me/districts/house/97	in-district	0.0449

to	rel	area_weight
us/states/me/districts/house/96	in-district	0.0429

to	rel	area_weight
us/states/me/districts/house/56	in-district	0.0338

to	rel	area_weight
us/states/me/districts/house/77	in-district	0.0154

to	rel	area_weight
us/states/me/districts/house/93	in-district	0.0121

to	rel	area_weight
us/states/me/districts/house/86	in-district	0.0118

to	rel	area_weight
us/states/me/districts/house/94	in-district	0.0106

to	rel	area_weight
us/states/me/districts/house/95	in-district	0.0058

field	source
demographics	Census ACS 2023

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

official

jurisdiction

county

2026-07-03

Androscoggin County, ME

County jurisdiction — 2 officeholders mapped.

Demographics (ACS 2023)

Measure	Value
Population	113423
Under 18	23588
18–64	68376
65+	21459
Median household income	67873
Poverty rate	14.38
Homeownership rate	67.87
Unemployment rate	4.33
Median home value	252800
Gini index	0.433
Vacancy rate	6.97
White	99336
Black	6347
Asian	1359
Native	189
Hispanic/Latino	2495
Bachelor's or higher	24129

Districts

ME-02 — 100% (congressional)
ME Senate District 17 — 54% (state senate)
ME Senate District 20 — 31% (state senate)
ME Senate District 18 — 8% (state senate)
ME Senate District 21 — 7% (state senate)
ME House District 91 — 21% (state house)
ME House District 92 — 12% (state house)
ME House District 90 — 11% (state house)
ME House District 76 — 11% (state house)
ME House District 87 — 11% (state house)
ME House District 98 — 8% (state house)
ME House District 88 — 7% (state house)
ME House District 97 — 4% (state house)
ME House District 96 — 4% (state house)
ME House District 56 — 3% (state house)
ME House District 77 — 2% (state house)
ME House District 93 — 1% (state house)
ME House District 86 — 1% (state house)
ME House District 94 — 1% (state house)
ME House District 95 — 1% (state house)

Source

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

4.7 KiB Raw Blame History Unescape Escape

Androscoggin County, ME

Demographics (ACS 2023)

Districts

Source

4.7 KiB

Raw Blame History