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republic-os/data/jurisdictions/us/states/mn/counties/ramsey/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

5.9 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 Ramsey County, MN county 27123 MN
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
542945 125157 332192 85596 81568 12.34 60.61 4.87 326600 0.4654 5.36 321165 66371 81756 2995 45588 235050
to rel area_weight
us/states/mn/districts/04 in-district 0.9922
to rel area_weight
us/states/mn/districts/05 in-district 0.0058
to rel area_weight
us/states/mn/districts/senate/40 in-district 0.241
to rel area_weight
us/states/mn/districts/senate/36 in-district 0.2205
to rel area_weight
us/states/mn/districts/senate/44 in-district 0.1164
to rel area_weight
us/states/mn/districts/senate/67 in-district 0.1051
to rel area_weight
us/states/mn/districts/senate/66 in-district 0.0979
to rel area_weight
us/states/mn/districts/senate/64 in-district 0.0844
to rel area_weight
us/states/mn/districts/senate/65 in-district 0.0746
to rel area_weight
us/states/mn/districts/senate/47 in-district 0.0338
to rel area_weight
us/states/mn/districts/senate/39 in-district 0.0262
to rel area_weight
us/states/mn/districts/house/40a in-district 0.137
to rel area_weight
us/states/mn/districts/house/36b in-district 0.1259
to rel area_weight
us/states/mn/districts/house/40b in-district 0.104
to rel area_weight
us/states/mn/districts/house/44a in-district 0.0971
to rel area_weight
us/states/mn/districts/house/36a in-district 0.0946
to rel area_weight
us/states/mn/districts/house/67b in-district 0.0709
to rel area_weight
us/states/mn/districts/house/66a in-district 0.0656
to rel area_weight
us/states/mn/districts/house/64b in-district 0.0519
to rel area_weight
us/states/mn/districts/house/65b in-district 0.043
to rel area_weight
us/states/mn/districts/house/67a in-district 0.0343
to rel area_weight
us/states/mn/districts/house/47a in-district 0.0338
to rel area_weight
us/states/mn/districts/house/64a in-district 0.0324
to rel area_weight
us/states/mn/districts/house/66b in-district 0.0323
to rel area_weight
us/states/mn/districts/house/65a in-district 0.0316
to rel area_weight
us/states/mn/districts/house/39b in-district 0.0259
to rel area_weight
us/states/mn/districts/house/44b in-district 0.0193
field source
demographics Census ACS 2023
field source
districts PostGIS area-intersection over Census TIGER 2024 boundaries
official
jurisdiction
county
mn
2026-07-03

Ramsey County, MN

County jurisdiction — 2 officeholders mapped.

Demographics (ACS 2023)

Measure Value
Population 542945
Under 18 125157
18–64 332192
65+ 85596
Median household income 81568
Poverty rate 12.34
Homeownership rate 60.61
Unemployment rate 4.87
Median home value 326600
Gini index 0.4654
Vacancy rate 5.36
White 321165
Black 66371
Asian 81756
Native 2995
Hispanic/Latino 45588
Bachelor's or higher 235050

Districts

Source

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