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republic-os/data/jurisdictions/us/states/ky/counties/jefferson/index.md
T
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

6.4 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 Jefferson County, KY county 21111 KY
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
783022 174276 474429 134317 69866 14.29 62.13 5.17 248400 0.4811 7.83 494460 162586 24685 1196 67277 285054
to rel area_weight
us/states/ky/districts/03 in-district 0.8124
to rel area_weight
us/states/ky/districts/02 in-district 0.1868
to rel area_weight
us/states/ky/districts/senate/36 in-district 0.203
to rel area_weight
us/states/ky/districts/senate/33 in-district 0.1211
to rel area_weight
us/states/ky/districts/senate/7 in-district 0.1144
to rel area_weight
us/states/ky/districts/senate/35 in-district 0.1127
to rel area_weight
us/states/ky/districts/senate/26 in-district 0.1039
to rel area_weight
us/states/ky/districts/senate/38 in-district 0.0995
to rel area_weight
us/states/ky/districts/senate/37 in-district 0.0893
to rel area_weight
us/states/ky/districts/senate/19 in-district 0.0813
to rel area_weight
us/states/ky/districts/senate/6 in-district 0.0506
to rel area_weight
us/states/ky/districts/senate/10 in-district 0.0238
to rel area_weight
us/states/ky/districts/house/36 in-district 0.1567
to rel area_weight
us/states/ky/districts/house/29 in-district 0.1181
to rel area_weight
us/states/ky/districts/house/37 in-district 0.1085
to rel area_weight
us/states/ky/districts/house/48 in-district 0.0731
to rel area_weight
us/states/ky/districts/house/44 in-district 0.0604
to rel area_weight
us/states/ky/districts/house/35 in-district 0.0575
to rel area_weight
us/states/ky/districts/house/28 in-district 0.0477
to rel area_weight
us/states/ky/districts/house/38 in-district 0.0461
to rel area_weight
us/states/ky/districts/house/31 in-district 0.0406
to rel area_weight
us/states/ky/districts/house/33 in-district 0.04
to rel area_weight
us/states/ky/districts/house/43 in-district 0.0391
to rel area_weight
us/states/ky/districts/house/32 in-district 0.0356
to rel area_weight
us/states/ky/districts/house/46 in-district 0.0354
to rel area_weight
us/states/ky/districts/house/34 in-district 0.0352
to rel area_weight
us/states/ky/districts/house/30 in-district 0.0316
to rel area_weight
us/states/ky/districts/house/40 in-district 0.0277
to rel area_weight
us/states/ky/districts/house/41 in-district 0.0268
to rel area_weight
us/states/ky/districts/house/42 in-district 0.0196
field source
demographics Census ACS 2023
field source
districts PostGIS area-intersection over Census TIGER 2024 boundaries
official
jurisdiction
county
ky
2026-07-03

Jefferson County, KY

County jurisdiction — 5 officeholders mapped.

Demographics (ACS 2023)

Measure Value
Population 783022
Under 18 174276
18–64 474429
65+ 134317
Median household income 69866
Poverty rate 14.29
Homeownership rate 62.13
Unemployment rate 5.17
Median home value 248400
Gini index 0.4811
Vacancy rate 7.83
White 494460
Black 162586
Asian 24685
Native 1196
Hispanic/Latino 67277
Bachelor's or higher 285054

Districts

Source

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