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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

Stearns County, MN

county

27145

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
160865	38011	96983	25871	77066	12.89	67.85	4.11	273400	0.4376	7.84	131456	14649	3136	188	7700	38462

to	rel	area_weight
us/states/mn/districts/07	in-district	0.8107

to	rel	area_weight
us/states/mn/districts/06	in-district	0.1893

to	rel	area_weight
us/states/mn/districts/senate/13	in-district	0.5135

to	rel	area_weight
us/states/mn/districts/senate/12	in-district	0.43

to	rel	area_weight
us/states/mn/districts/senate/14	in-district	0.0563

to	rel	area_weight
us/states/mn/districts/house/13a	in-district	0.4053

to	rel	area_weight
us/states/mn/districts/house/12a	in-district	0.313

to	rel	area_weight
us/states/mn/districts/house/12b	in-district	0.117

to	rel	area_weight
us/states/mn/districts/house/13b	in-district	0.1082

to	rel	area_weight
us/states/mn/districts/house/14a	in-district	0.0491

to	rel	area_weight
us/states/mn/districts/house/14b	in-district	0.0072

field	source
demographics	Census ACS 2023

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

official

jurisdiction

county

2026-07-03

Stearns County, MN

County jurisdiction — 1 officeholders mapped.

Demographics (ACS 2023)

Measure	Value
Population	160865
Under 18	38011
18–64	96983
65+	25871
Median household income	77066
Poverty rate	12.89
Homeownership rate	67.85
Unemployment rate	4.11
Median home value	273400
Gini index	0.4376
Vacancy rate	7.84
White	131456
Black	14649
Asian	3136
Native	188
Hispanic/Latino	7700
Bachelor's or higher	38462

Districts

MN-07 — 81% (congressional)
MN-06 — 19% (congressional)
MN Senate District 13 — 51% (state senate)
MN Senate District 12 — 43% (state senate)
MN Senate District 14 — 6% (state senate)
MN House District 13A — 41% (state house)
MN House District 12A — 31% (state house)
MN House District 12B — 12% (state house)
MN House District 13B — 11% (state house)
MN House District 14A — 5% (state house)
MN House District 14B — 1% (state house)

Source

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

3.2 KiB Raw Blame History Unescape Escape

Stearns County, MN

Demographics (ACS 2023)

Districts

Source

3.2 KiB

Raw Blame History