US Census Geographic Boundaries

Cloud-optimized formats for Draft CalEnviroScreen 5.0 (released January 2026) is a cumulative environmental pollution and health vulnerability screening tool developed by California's Office of Environmental Health Hazard Assessment (OEHHA).

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census-2024

README-place.md

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Visibility: Public
Owner: Carl Boettiger
Created: 16 Jun 2026
Last Updated: 16 Jun 2026

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US Census Geographic Boundaries

Contents

root

census-2024

README-place.md

Details

Visibility: Public
Owner: Carl Boettiger
Created: 16 Jun 2026
Last Updated: 16 Jun 2026

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14 Aug 2026

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28 days

Downloads

25,261

Data served

172.8 GB

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28-day downloads

18 Jul 2026

14 Aug 2026

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US City / Place Boundaries — Census TIGER 2024 PLACE

Incorporated places (cities, towns, villages, boroughs) and Census Designated Places (CDPs) for the entire United States, from the U.S. Census Bureau TIGER/Line 2024 PLACE shapefiles. Places are the Census Bureau's geographic representation of populated areas with a legal or statistical identity.

Source: U.S. Census Bureau, TIGER/Line 2024, PLACE layer (https://www2.census.gov/geo/tiger/TIGER2024/PLACE/)
License: public domain (U.S. federal government work)
Coverage: all 50 states + DC + Puerto Rico + island areas (56 state-level files)
CLASSFP distinguishes incorporated places (C1–C9) from Census Designated Places (U1/U2). Filter to true cities with WHERE CLASSFP LIKE 'C%'.

Assets

Asset	Format	Path
`place-parquet`	GeoParquet	`place.parquet`
`place-pmtiles`	PMTiles (source-layer `place`)	`place.pmtiles`
`place-hex`	H3 hex parquet (native res 10; parents 9, 8, 0)	`census-2024/place/hex/h0=*/data_0.parquet`

MapLibre GL JS

DuckDB

Hex aggregation notes

One hex row = one (place, cell) pair. ALAND / AWATER are per-feature totals repeated on every cell a place covers — never SUM(ALAND) on the hex data; dedup first (SELECT DISTINCT GEOID, ALAND). For area from the H3 footprint, see the h3-guide. COUNT(DISTINCT _cng_fid) gives the place count.

Name: README-place.md
Size: 2.15 KB
Content Type: text/markdown; charset=utf-8
Last Modified: 26 Jul 2026
Source URL: https://data.source.coop/cboettig/census/census-2024/README-place.md
Cloud URI: s3://us-west-2.opendata.source.coop/cboettig/census/census-2024/README-place.md

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US City / Place Boundaries — Census TIGER 2024 PLACE

Source: U.S. Census Bureau, TIGER/Line 2024, PLACE layer (https://www2.census.gov/geo/tiger/TIGER2024/PLACE/)
License: public domain (U.S. federal government work)
Coverage: all 50 states + DC + Puerto Rico + island areas (56 state-level files)
CLASSFP distinguishes incorporated places (C1–C9) from Census Designated Places (U1/U2). Filter to true cities with WHERE CLASSFP LIKE 'C%'.

Assets

Asset	Format	Path
`place-parquet`	GeoParquet	`place.parquet`
`place-pmtiles`	PMTiles (source-layer `place`)	`place.pmtiles`
`place-hex`	H3 hex parquet (native res 10; parents 9, 8, 0)	`census-2024/place/hex/h0=*/data_0.parquet`

MapLibre GL JS

DuckDB

Hex aggregation notes

1map.addSource('place', {
2  type: 'vector',
3  url: 'pmtiles://https://s3-west.nrp-nautilus.io/public-census/census-2024/place.pmtiles'
4});
5map.addLayer({
6  id: 'place-fill',
7  type: 'fill',
8  source: 'place',
9  'source-layer': 'place',          // = last segment of --dataset
10  filter: ['==', ['string', ['slice', ['get', 'CLASSFP'], 0, 1]], 'C'],  // incorporated only
11  paint: { 'fill-color': '#3182bd', 'fill-opacity': 0.4, 'fill-outline-color': '#08519c' }
12});

1map.addSource('place', {
2  type: 'vector',
3  url: 'pmtiles://https://s3-west.nrp-nautilus.io/public-census/census-2024/place.pmtiles'
4});
5map.addLayer({
6  id: 'place-fill',
7  type: 'fill',
8  source: 'place',
9  'source-layer': 'place',          // = last segment of --dataset
10  filter: ['==', ['string', ['slice', ['get', 'CLASSFP'], 0, 1]], 'C'],  // incorporated only
11  paint: { 'fill-color': '#3182bd', 'fill-opacity': 0.4, 'fill-outline-color': '#08519c' }
12});

1-- Incorporated cities in California
2INSTALL spatial; LOAD spatial;
3SELECT NAME, NAMELSAD, ALAND, AWATER
4FROM read_parquet('https://s3-west.nrp-nautilus.io/public-census/census-2024/place.parquet')
5WHERE STATEFP = '06' AND CLASSFP LIKE 'C%'
6ORDER BY ALAND DESC
7LIMIT 20;

1-- Incorporated cities in California
2INSTALL spatial; LOAD spatial;
3SELECT NAME, NAMELSAD, ALAND, AWATER
4FROM read_parquet('https://s3-west.nrp-nautilus.io/public-census/census-2024/place.parquet')
5WHERE STATEFP = '06' AND CLASSFP LIKE 'C%'
6ORDER BY ALAND DESC
7LIMIT 20;