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civic-data-boundaries-us-cd118

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U.S. Civic Boundary Data for Civic Interconnect, including boundaries for the 118th U.S. Congressional Districts.

This package provides and hosts standardized U.S. boundary GeoJSON and shapefile-derived layers from TIGER/Line shapefiles, including:

  • Boundaries for the 118th Congressional Districts (CD118)
  • Support for OCD IDs and simplified formats
  • GeoJSON files and manifest indexes for civic data pipelines

GeoJSON files and indexes are generated for use in civic data pipelines.

For state and county boundaries, see civic-data-boundaries-us.

Installation

uv add civic-data-boundaries-us-cd118
#or
pip install civic-data-boundaries-us-cd118

Or add to pyproject.toml dependencies: "civic-data-boundaries-us-cd118"

Data

This repository hosts pre-generated GeoJSON output in data-out/ for direct use in apps, agents, and public mapping tools.

File Description
index.json List of all available GeoJSON files with bbox & feature counts
manifest.json Dataset metadata (source, license, timestamps, totals)
states/<state>/<file>.geojson Per-state boundary files
national/cd118_us.geojson Entire U.S. (all congressional districts)

Example: Load from Python

import requests
import geopandas as gpd

URL = "https://raw.githubusercontent.com/civic-interconnect/civic-data-boundaries-us-cd118/refs/heads/main/data-out/states/minnesota/cd118_minnesota.geojson"

gdf = gpd.read_file(URL)
print(gdf.head())

Example: Load in JavaScript (Leaflet / MapLibre)

const url = "https://raw.githubusercontent.com/civic-interconnect/civic-data-boundaries-us-cd118/refs/heads/main/data-out/national/cd118_us.geojson";

fetch(url)
  .then(r => r.json())
  .then(data => {
    L.geoJSON(data).addTo(map);
  });

Development

See DEVELOPER.md

Pipeline

Fetch

  • Downloads TIGER zip files
  • Skips files already present

Extract

  • Unzips shapefiles into folders
  • Skips folders already extracted

Export

  • Reads shapefiles
  • Writes chunked GeoJSON files suitable for GH hosting

Cleanup

  • Removes original .zip files and extracted shapefiles once chunked GeoJSONs are complete

References

Direct URLs for the TIGER/Line shapefiles (2022):

Project links

Data verified by PyPI on Oct 26, 2025
Data provided by the project maintainers, verified at the time the release was uploaded to PyPI.

Key dates

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  • Released:
Latest release

1 maintainer

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Avatar for denisecase from gravatar.com denisecase

Credits

Author: Civic Interconnect

GitHub Statistics

Data verified by PyPI on Oct 26, 2025
The GitHub source repository was provided by the project maintainers and verified by PyPI at the time of upload. Stars, forks, and open issues/PRs are derived from that repository and have not been independently verified.

License expression

MIT
View SPDX License List

Requires

Python >=3.12

Provides Extra

dev docs

Tags

civic gis geojson boundaries congressional districts US CD118

Classifiers

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