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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

3.9 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

Harrison County, MS

county

28047

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
210891	49789	126052	35050	59479	17.09	62.17	7.15	212200	0.4586	12.16	131066	49653	5276	687	14638	53969

to	rel	area_weight
us/states/ms/districts/04	in-district	0.6188

to	rel	area_weight
us/states/ms/districts/senate/47	in-district	0.22

to	rel	area_weight
us/states/ms/districts/senate/46	in-district	0.1899

to	rel	area_weight
us/states/ms/districts/senate/48	in-district	0.0765

to	rel	area_weight
us/states/ms/districts/senate/50	in-district	0.07

to	rel	area_weight
us/states/ms/districts/senate/49	in-district	0.0419

to	rel	area_weight
us/states/ms/districts/house/116	in-district	0.2189

to	rel	area_weight
us/states/ms/districts/house/121	in-district	0.102

to	rel	area_weight
us/states/ms/districts/house/33	in-district	0.1012

to	rel	area_weight
us/states/ms/districts/house/95	in-district	0.0784

to	rel	area_weight
us/states/ms/districts/house/120	in-district	0.0244

to	rel	area_weight
us/states/ms/districts/house/119	in-district	0.0222

to	rel	area_weight
us/states/ms/districts/house/118	in-district	0.0197

to	rel	area_weight
us/states/ms/districts/house/115	in-district	0.017

to	rel	area_weight
us/states/ms/districts/house/117	in-district	0.0146

field	source
demographics	Census ACS 2023

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

official

jurisdiction

county

2026-07-03

Harrison County, MS

County jurisdiction — 3 officeholders mapped.

Demographics (ACS 2023)

Measure	Value
Population	210891
Under 18	49789
18–64	126052
65+	35050
Median household income	59479
Poverty rate	17.09
Homeownership rate	62.17
Unemployment rate	7.15
Median home value	212200
Gini index	0.4586
Vacancy rate	12.16
White	131066
Black	49653
Asian	5276
Native	687
Hispanic/Latino	14638
Bachelor's or higher	53969

Districts

MS-04 — 62% (congressional)
MS Senate District 47 — 22% (state senate)
MS Senate District 46 — 19% (state senate)
MS Senate District 48 — 8% (state senate)
MS Senate District 50 — 7% (state senate)
MS Senate District 49 — 4% (state senate)
MS House District 116 — 22% (state house)
MS House District 121 — 10% (state house)
MS House District 33 — 10% (state house)
MS House District 95 — 8% (state house)
MS House District 120 — 2% (state house)
MS House District 119 — 2% (state house)
MS House District 118 — 2% (state house)
MS House District 115 — 2% (state house)
MS House District 117 — 1% (state house)

Source

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

3.9 KiB Raw Blame History Unescape Escape

Harrison County, MS

Demographics (ACS 2023)

Districts

Source

3.9 KiB

Raw Blame History