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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

3.2 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

Pinellas County, FL

county

12103

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
963481	148581	560652	254248	72646	11.54	69.53	4.43	355100	0.4881	17.62	708809	92541	35302	2454	108089	379379

to	rel	area_weight
us/states/fl/districts/13	in-district	0.3238

to	rel	area_weight
us/states/fl/districts/14	in-district	0.0602

to	rel	area_weight
us/states/fl/districts/senate/18	in-district	0.1991

to	rel	area_weight
us/states/fl/districts/senate/21	in-district	0.1481

to	rel	area_weight
us/states/fl/districts/senate/16	in-district	0.0288

to	rel	area_weight
us/states/fl/districts/house/57	in-district	0.1062

to	rel	area_weight
us/states/fl/districts/house/61	in-district	0.0749

to	rel	area_weight
us/states/fl/districts/house/60	in-district	0.0654

to	rel	area_weight
us/states/fl/districts/house/58	in-district	0.0559

to	rel	area_weight
us/states/fl/districts/house/59	in-district	0.0529

to	rel	area_weight
us/states/fl/districts/house/62	in-district	0.0207

field	source
demographics	Census ACS 2023

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

official

jurisdiction

county

2026-07-03

Pinellas County, FL

County jurisdiction — 152 officeholders mapped.

Demographics (ACS 2023)

Measure	Value
Population	963481
Under 18	148581
18–64	560652
65+	254248
Median household income	72646
Poverty rate	11.54
Homeownership rate	69.53
Unemployment rate	4.43
Median home value	355100
Gini index	0.4881
Vacancy rate	17.62
White	708809
Black	92541
Asian	35302
Native	2454
Hispanic/Latino	108089
Bachelor's or higher	379379

Districts

FL-13 — 32% (congressional)
FL-14 — 6% (congressional)
FL Senate District 18 — 20% (state senate)
FL Senate District 21 — 15% (state senate)
FL Senate District 16 — 3% (state senate)
FL House District 57 — 11% (state house)
FL House District 61 — 7% (state house)
FL House District 60 — 7% (state house)
FL House District 58 — 6% (state house)
FL House District 59 — 5% (state house)
FL House District 62 — 2% (state house)

Source

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

3.2 KiB Raw Blame History Unescape Escape

Pinellas County, FL

Demographics (ACS 2023)

Districts

Source

3.2 KiB

Raw Blame History