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republic-os/data/jurisdictions/us/states/pa/counties/philadelphia/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

7.4 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 Philadelphia County, PA county 42101 PA
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
1579706 334799 1012789 232118 61953 21.36 51.79 8.15 243100 0.5131 9.2 555069 621637 125902 7518 245882 557919
to rel area_weight
us/states/pa/districts/02 in-district 0.4688
to rel area_weight
us/states/pa/districts/03 in-district 0.3837
to rel area_weight
us/states/pa/districts/05 in-district 0.1437
to rel area_weight
us/states/pa/districts/senate/5 in-district 0.2521
to rel area_weight
us/states/pa/districts/senate/1 in-district 0.1854
to rel area_weight
us/states/pa/districts/senate/7 in-district 0.1733
to rel area_weight
us/states/pa/districts/senate/2 in-district 0.1207
to rel area_weight
us/states/pa/districts/senate/3 in-district 0.0987
to rel area_weight
us/states/pa/districts/senate/4 in-district 0.0902
to rel area_weight
us/states/pa/districts/senate/8 in-district 0.0779
to rel area_weight
us/states/pa/districts/house/185 in-district 0.1013
to rel area_weight
us/states/pa/districts/house/194 in-district 0.0818
to rel area_weight
us/states/pa/districts/house/170 in-district 0.0764
to rel area_weight
us/states/pa/districts/house/173 in-district 0.0577
to rel area_weight
us/states/pa/districts/house/190 in-district 0.0574
to rel area_weight
us/states/pa/districts/house/172 in-district 0.0555
to rel area_weight
us/states/pa/districts/house/177 in-district 0.0534
to rel area_weight
us/states/pa/districts/house/174 in-district 0.0529
to rel area_weight
us/states/pa/districts/house/184 in-district 0.05
to rel area_weight
us/states/pa/districts/house/200 in-district 0.0452
to rel area_weight
us/states/pa/districts/house/201 in-district 0.0307
to rel area_weight
us/states/pa/districts/house/179 in-district 0.0303
to rel area_weight
us/states/pa/districts/house/192 in-district 0.0282
to rel area_weight
us/states/pa/districts/house/198 in-district 0.0275
to rel area_weight
us/states/pa/districts/house/180 in-district 0.0272
to rel area_weight
us/states/pa/districts/house/175 in-district 0.0267
to rel area_weight
us/states/pa/districts/house/203 in-district 0.0248
to rel area_weight
us/states/pa/districts/house/186 in-district 0.0242
to rel area_weight
us/states/pa/districts/house/197 in-district 0.0227
to rel area_weight
us/states/pa/districts/house/10 in-district 0.0211
to rel area_weight
us/states/pa/districts/house/188 in-district 0.0201
to rel area_weight
us/states/pa/districts/house/195 in-district 0.02
to rel area_weight
us/states/pa/districts/house/181 in-district 0.0195
to rel area_weight
us/states/pa/districts/house/202 in-district 0.0176
to rel area_weight
us/states/pa/districts/house/191 in-district 0.0145
to rel area_weight
us/states/pa/districts/house/182 in-district 0.0113
field source
demographics Census ACS 2023
field source
districts PostGIS area-intersection over Census TIGER 2024 boundaries
official
jurisdiction
county
pa
2026-07-03

Philadelphia County, PA

County jurisdiction — 1 officeholders mapped.

Demographics (ACS 2023)

Measure Value
Population 1579706
Under 18 334799
18–64 1012789
65+ 232118
Median household income 61953
Poverty rate 21.36
Homeownership rate 51.79
Unemployment rate 8.15
Median home value 243100
Gini index 0.5131
Vacancy rate 9.2
White 555069
Black 621637
Asian 125902
Native 7518
Hispanic/Latino 245882
Bachelor's or higher 557919

Districts

Source

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