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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

3.0 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

Winnebago County, WI

county

55139

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
171769	34694	107181	29894	74925	11.33	65.77	2.18	225800	0.4239	6.02	148625	4785	5561	657	8736	48220

to	rel	area_weight
us/states/wi/districts/06	in-district	0.9199

to	rel	area_weight
us/states/wi/districts/08	in-district	0.0801

to	rel	area_weight
us/states/wi/districts/senate/19	in-district	0.6646

to	rel	area_weight
us/states/wi/districts/senate/18	in-district	0.1168

to	rel	area_weight
us/states/wi/districts/senate/13	in-district	0.0623

to	rel	area_weight
us/states/wi/districts/house/55	in-district	0.5461

to	rel	area_weight
us/states/wi/districts/house/57	in-district	0.1184

to	rel	area_weight
us/states/wi/districts/house/54	in-district	0.0708

to	rel	area_weight
us/states/wi/districts/house/39	in-district	0.0623

to	rel	area_weight
us/states/wi/districts/house/53	in-district	0.046

field	source
demographics	Census ACS 2023

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

official

jurisdiction

county

2026-07-03

Winnebago County, WI

County jurisdiction — 3 officeholders mapped.

Demographics (ACS 2023)

Measure	Value
Population	171769
Under 18	34694
18–64	107181
65+	29894
Median household income	74925
Poverty rate	11.33
Homeownership rate	65.77
Unemployment rate	2.18
Median home value	225800
Gini index	0.4239
Vacancy rate	6.02
White	148625
Black	4785
Asian	5561
Native	657
Hispanic/Latino	8736
Bachelor's or higher	48220

Districts

WI-06 — 92% (congressional)
WI-08 — 8% (congressional)
WI Senate District 19 — 66% (state senate)
WI Senate District 18 — 12% (state senate)
WI Senate District 13 — 6% (state senate)
WI House District 55 — 55% (state house)
WI House District 57 — 12% (state house)
WI House District 54 — 7% (state house)
WI House District 39 — 6% (state house)
WI House District 53 — 5% (state house)

Source

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

3.0 KiB Raw Blame History Unescape Escape

Winnebago County, WI

Demographics (ACS 2023)

Districts

Source

3.0 KiB

Raw Blame History