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republic-os/data/jurisdictions/us/states/ga/counties/gwinnett/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

7.0 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 Gwinnett County, GA county 13135 GA
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
979864 255158 613916 110790 87890 10.82 66.27 4.21 380900 0.4316 4.08 326395 278338 129768 4656 232470 334599
to rel area_weight
us/states/ga/districts/09 in-district 0.3744
to rel area_weight
us/states/ga/districts/13 in-district 0.3641
to rel area_weight
us/states/ga/districts/04 in-district 0.1794
to rel area_weight
us/states/ga/districts/10 in-district 0.0808
to rel area_weight
us/states/ga/districts/senate/45 in-district 0.2097
to rel area_weight
us/states/ga/districts/senate/9 in-district 0.1843
to rel area_weight
us/states/ga/districts/senate/5 in-district 0.1164
to rel area_weight
us/states/ga/districts/senate/46 in-district 0.0816
to rel area_weight
us/states/ga/districts/senate/55 in-district 0.0806
to rel area_weight
us/states/ga/districts/senate/43 in-district 0.0772
to rel area_weight
us/states/ga/districts/senate/48 in-district 0.0613
to rel area_weight
us/states/ga/districts/senate/40 in-district 0.0205
to rel area_weight
us/states/ga/districts/house/110 in-district 0.0835
to rel area_weight
us/states/ga/districts/house/105 in-district 0.0754
to rel area_weight
us/states/ga/districts/house/111 in-district 0.0741
to rel area_weight
us/states/ga/districts/house/103 in-district 0.0679
to rel area_weight
us/states/ga/districts/house/99 in-district 0.0625
to rel area_weight
us/states/ga/districts/house/108 in-district 0.0566
to rel area_weight
us/states/ga/districts/house/102 in-district 0.0539
to rel area_weight
us/states/ga/districts/house/104 in-district 0.0537
to rel area_weight
us/states/ga/districts/house/100 in-district 0.0529
to rel area_weight
us/states/ga/districts/house/97 in-district 0.0522
to rel area_weight
us/states/ga/districts/house/107 in-district 0.0476
to rel area_weight
us/states/ga/districts/house/96 in-district 0.0473
to rel area_weight
us/states/ga/districts/house/106 in-district 0.0455
to rel area_weight
us/states/ga/districts/house/95 in-district 0.0428
to rel area_weight
us/states/ga/districts/house/94 in-district 0.0404
to rel area_weight
us/states/ga/districts/house/93 in-district 0.0403
to rel area_weight
us/states/ga/districts/house/109 in-district 0.0293
to rel area_weight
us/states/ga/districts/house/98 in-district 0.0268
to rel area_weight
us/states/ga/districts/house/48 in-district 0.0141
to rel area_weight
us/states/ga/districts/house/30 in-district 0.0138
to rel area_weight
us/states/ga/districts/house/112 in-district 0.0132
to rel area_weight
us/states/ga/districts/house/88 in-district 0.0061
field source
demographics Census ACS 2023
field source
districts PostGIS area-intersection over Census TIGER 2024 boundaries
official
jurisdiction
county
ga
2026-07-03

Gwinnett County, GA

County jurisdiction — 5 officeholders mapped.

Demographics (ACS 2023)

Measure Value
Population 979864
Under 18 255158
18–64 613916
65+ 110790
Median household income 87890
Poverty rate 10.82
Homeownership rate 66.27
Unemployment rate 4.21
Median home value 380900
Gini index 0.4316
Vacancy rate 4.08
White 326395
Black 278338
Asian 129768
Native 4656
Hispanic/Latino 232470
Bachelor's or higher 334599

Districts

Source

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