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republic-os/data/jurisdictions/us/states/mo/districts/02.md
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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

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---
type: Jurisdiction
title: "MO-02"
classification: congressional-district
state: "MO"
district: "MO-02"
demographics:
population: 773921
population_under_18: 185047
population_18_64: 232615
population_65_plus: 356259
median_household_income: 101494
poverty_rate: 6.18
homeownership_rate: 78.34
unemployment_rate: 2.44
median_home_value: 364700
gini_index: 0.4588
vacancy_rate: 4.71
race_white: 650084
race_black: 27100
race_asian: 40926
hispanic: 27784
bachelors_plus: 279589
sources:
- field: demographics
source: "Census ACS 2023"
confidence: official
tags: [jurisdiction, congressional-district, mo]
timestamp: "2026-07-03"
---
# MO-02
Congressional district MO-02.
## Demographics (ACS 2023)
| Measure | Value |
| --- | --- |
| Population | 773921 |
| Under 18 | 185047 |
| 1864 | 232615 |
| 65+ | 356259 |
| Median household income | 101494 |
| Poverty rate | 6.18 |
| Homeownership rate | 78.34 |
| Unemployment rate | 2.44 |
| Median home value | 364700 |
| Gini index | 0.4588 |
| Vacancy rate | 4.71 |
| White | 650084 |
| Black | 27100 |
| Asian | 40926 |
| Hispanic/Latino | 27784 |
| Bachelor's or higher | 279589 |
## Source
- demographics: Census ACS 2023