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republic-os/data/jurisdictions/us/states/or/counties/multnomah/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

6.1 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 Multnomah County, OR county 41051 OR
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
801477 141135 542118 118224 88766 12.59 53.37 5.71 552700 0.4754 5.76 544065 44061 60157 7827 108265 409445
to rel area_weight
us/states/or/districts/03 in-district 0.7532
to rel area_weight
us/states/or/districts/01 in-district 0.2212
to rel area_weight
us/states/or/districts/05 in-district 0.0253
to rel area_weight
us/states/or/districts/senate/26 in-district 0.4434
to rel area_weight
us/states/or/districts/senate/16 in-district 0.1198
to rel area_weight
us/states/or/districts/senate/22 in-district 0.1085
to rel area_weight
us/states/or/districts/senate/25 in-district 0.0877
to rel area_weight
us/states/or/districts/senate/17 in-district 0.0667
to rel area_weight
us/states/or/districts/senate/23 in-district 0.0514
to rel area_weight
us/states/or/districts/senate/24 in-district 0.0469
to rel area_weight
us/states/or/districts/senate/21 in-district 0.0297
to rel area_weight
us/states/or/districts/senate/14 in-district 0.0252
to rel area_weight
us/states/or/districts/senate/19 in-district 0.0205
to rel area_weight
us/states/or/districts/house/52 in-district 0.4434
to rel area_weight
us/states/or/districts/house/31 in-district 0.1198
to rel area_weight
us/states/or/districts/house/44 in-district 0.0911
to rel area_weight
us/states/or/districts/house/33 in-district 0.0654
to rel area_weight
us/states/or/districts/house/49 in-district 0.0541
to rel area_weight
us/states/or/districts/house/50 in-district 0.0337
to rel area_weight
us/states/or/districts/house/45 in-district 0.0305
to rel area_weight
us/states/or/districts/house/28 in-district 0.0252
to rel area_weight
us/states/or/districts/house/48 in-district 0.0252
to rel area_weight
us/states/or/districts/house/47 in-district 0.0217
to rel area_weight
us/states/or/districts/house/46 in-district 0.0209
to rel area_weight
us/states/or/districts/house/38 in-district 0.0205
to rel area_weight
us/states/or/districts/house/43 in-district 0.0174
to rel area_weight
us/states/or/districts/house/42 in-district 0.0168
to rel area_weight
us/states/or/districts/house/41 in-district 0.0129
field source
demographics Census ACS 2023
field source
districts PostGIS area-intersection over Census TIGER 2024 boundaries
official
jurisdiction
county
or
2026-07-03

Multnomah County, OR

County jurisdiction — 3 officeholders mapped.

Demographics (ACS 2023)

Measure Value
Population 801477
Under 18 141135
18–64 542118
65+ 118224
Median household income 88766
Poverty rate 12.59
Homeownership rate 53.37
Unemployment rate 5.71
Median home value 552700
Gini index 0.4754
Vacancy rate 5.76
White 544065
Black 44061
Asian 60157
Native 7827
Hispanic/Latino 108265
Bachelor's or higher 409445

Districts

Source

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