Add elections + demographics layer: candidates and jurisdictions

Two new entity types, built deterministically from the raw exports:

  Candidate (2,494)     — 2026 federal candidates as files under
                          us/states/<st>/candidates/, with office,
                          district, party, incumbent/challenger stance,
                          campaign committee, FEC id.

  Jurisdiction (3,494)  — demographic nodes carrying ACS 2023 data:
                          3,131 counties (deduped from 3,231 mixed-format
                          fips keys) + 363 congressional districts.

This completes the county skeleton nationwide: every US county is now a
browsable node with population, income, poverty, race, education and
housing — even where no officeholders are mapped yet. In Florida the
county index.md merges into the existing dir and reports its officeholder
count alongside demographics (St. Lucie: 33 officeholders + ACS profile).

build.py now reads seven raw inputs in one deterministic pass
(byte-identical on rerun). The mirror now answers: who holds power, who
runs this institution, who is running, and what each place is made of.

Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>
This commit is contained in:
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2026-07-03 23:35:00 -04:00
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---
type: Jurisdiction
title: "AR-01"
classification: congressional-district
state: "AR"
district: "AR-01"
demographics:
population: 754656
population_under_18: 189285
population_18_64: 232349
population_65_plus: 333022
median_household_income: 52325
poverty_rate: 18.52
homeownership_rate: 67.73
unemployment_rate: 5.32
median_home_value: 171700
gini_index: 0.4812
vacancy_rate: 14.52
race_white: 561676
race_black: 116455
race_asian: 6616
hispanic: 35090
bachelors_plus: 101759
sources:
- field: demographics
source: Census ACS 2023
confidence: official
tags: [jurisdiction, congressional-district, ar]
timestamp: "2026-07-03"
---
# AR-01
Congressional district AR-01.
## Demographics (ACS 2023)
| Measure | Value |
| --- | --- |
| Population | 754656 |
| Under 18 | 189285 |
| 18–64 | 232349 |
| 65+ | 333022 |
| Median household income | 52325 |
| Poverty rate | 18.52 |
| Homeownership rate | 67.73 |
| Unemployment rate | 5.32 |
| Median home value | 171700 |
| Gini index | 0.4812 |
| Vacancy rate | 14.52 |
| White | 561676 |
| Black | 116455 |
| Asian | 6616 |
| Hispanic/Latino | 35090 |
| Bachelor's or higher | 101759 |
## Source
- demographics: Census ACS 2023
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---
type: Jurisdiction
title: "AR-02"
classification: congressional-district
state: "AR"
district: "AR-02"
demographics:
population: 773214
population_under_18: 190422
population_18_64: 257626
population_65_plus: 325166
median_household_income: 67021
poverty_rate: 14.47
homeownership_rate: 65.0
unemployment_rate: 3.6
median_home_value: 234600
gini_index: 0.4542
vacancy_rate: 9.61
race_white: 528344
race_black: 156629
race_asian: 11192
hispanic: 53401
bachelors_plus: 182483
sources:
- field: demographics
source: Census ACS 2023
confidence: official
tags: [jurisdiction, congressional-district, ar]
timestamp: "2026-07-03"
---
# AR-02
Congressional district AR-02.
## Demographics (ACS 2023)
| Measure | Value |
| --- | --- |
| Population | 773214 |
| Under 18 | 190422 |
| 18–64 | 257626 |
| 65+ | 325166 |
| Median household income | 67021 |
| Poverty rate | 14.47 |
| Homeownership rate | 65.0 |
| Unemployment rate | 3.6 |
| Median home value | 234600 |
| Gini index | 0.4542 |
| Vacancy rate | 9.61 |
| White | 528344 |
| Black | 156629 |
| Asian | 11192 |
| Hispanic/Latino | 53401 |
| Bachelor's or higher | 182483 |
## Source
- demographics: Census ACS 2023
@@ -0,0 +1,59 @@
---
type: Jurisdiction
title: "AR-03"
classification: congressional-district
state: "AR"
district: "AR-03"
demographics:
population: 816102
population_under_18: 217903
population_18_64: 292133
population_65_plus: 306066
median_household_income: 75345
poverty_rate: 11.5
homeownership_rate: 62.95
unemployment_rate: 2.72
median_home_value: 319400
gini_index: 0.4701
vacancy_rate: 8.09
race_white: 501585
race_black: 21599
race_asian: 30867
hispanic: 145125
bachelors_plus: 181399
sources:
- field: demographics
source: Census ACS 2023
confidence: official
tags: [jurisdiction, congressional-district, ar]
timestamp: "2026-07-03"
---
# AR-03
Congressional district AR-03.
## Demographics (ACS 2023)
| Measure | Value |
| --- | --- |
| Population | 816102 |
| Under 18 | 217903 |
| 18–64 | 292133 |
| 65+ | 306066 |
| Median household income | 75345 |
| Poverty rate | 11.5 |
| Homeownership rate | 62.95 |
| Unemployment rate | 2.72 |
| Median home value | 319400 |
| Gini index | 0.4701 |
| Vacancy rate | 8.09 |
| White | 501585 |
| Black | 21599 |
| Asian | 30867 |
| Hispanic/Latino | 145125 |
| Bachelor's or higher | 181399 |
## Source
- demographics: Census ACS 2023
@@ -0,0 +1,59 @@
---
type: Jurisdiction
title: "AR-04"
classification: congressional-district
state: "AR"
district: "AR-04"
demographics:
population: 744382
population_under_18: 186765
population_18_64: 219843
population_65_plus: 337774
median_household_income: 54533
poverty_rate: 18.13
homeownership_rate: 73.19
unemployment_rate: 3.92
median_home_value: 155400
gini_index: 0.4629
vacancy_rate: 16.7
race_white: 514339
race_black: 143122
race_asian: 6509
hispanic: 61055
bachelors_plus: 103462
sources:
- field: demographics
source: Census ACS 2023
confidence: official
tags: [jurisdiction, congressional-district, ar]
timestamp: "2026-07-03"
---
# AR-04
Congressional district AR-04.
## Demographics (ACS 2023)
| Measure | Value |
| --- | --- |
| Population | 744382 |
| Under 18 | 186765 |
| 18–64 | 219843 |
| 65+ | 337774 |
| Median household income | 54533 |
| Poverty rate | 18.13 |
| Homeownership rate | 73.19 |
| Unemployment rate | 3.92 |
| Median home value | 155400 |
| Gini index | 0.4629 |
| Vacancy rate | 16.7 |
| White | 514339 |
| Black | 143122 |
| Asian | 6509 |
| Hispanic/Latino | 61055 |
| Bachelor's or higher | 103462 |
## Source
- demographics: Census ACS 2023