pl: 2020 Decennial Census Public Law 94-171 Data

API: census.gov:us-census-bureau-api
Endpoint: /2020/dec/pl
Response format: application/json
Charset: utf-8
Auth: api_key
Method: GET
Last Status: 200
Latency: 755ms

Description

Retrieve 2020 Decennial Census redistricting data (Public Law 94-171). Includes population counts by race and Hispanic origin.

Parameters (4)

for (string, query, required)

Geography specification

get (string, query, required)

Comma-separated list of variables. P1_001N is total population.

in (string, query, optional)

Geography filter

key (string, query, optional)

Optional API key

Examples (2)

2020 Decennial Census Public Law 94-171 Data openapi-spec
curl 'https://api.census.gov/data/2020/dec/pl?get=NAME%2CP1_001N&for=state%3A%2A'
import requests

resp = requests.get(
    "https://api.census.gov/data/2020/dec/pl",
    params={
        'get': 'NAME,P1_001N',
        'for': 'state:*',
    },
)
data = resp.json()
import zingu_apis

api = zingu_apis.api("census")
result = api.fetch("2020/dec/pl", get="NAME,P1_001N", for="state:*")

for item in result:
    print(item)
const resp = await fetch("https://api.census.gov/data/2020/dec/pl?get=NAME%2CP1_001N&for=state%3A%2A");
const data = await resp.json();
2020 Decennial Census Public Law 94-171 Data probe-gate
curl 'https://api.census.gov/data/2020/dec/pl?get=NAME%2CP1_001N&for=state%3A%2A'
import requests

resp = requests.get(
    "https://api.census.gov/data/2020/dec/pl",
    params={
        'get': 'NAME,P1_001N',
        'for': 'state:*',
    },
)
data = resp.json()
import zingu_apis

api = zingu_apis.api("census")
result = api.fetch("2020/dec/pl", get="NAME,P1_001N", for="state:*")

for item in result:
    print(item)
const resp = await fetch("https://api.census.gov/data/2020/dec/pl?get=NAME%2CP1_001N&for=state%3A%2A");
const data = await resp.json();

Probe History

Latency

Status Codes

TimeStatusLatencySize
2026-04-16 04:01:47.041473 200 755ms
2026-04-16 02:18:52.923845 200 715ms
2026-04-15 00:42:21.264866 200 714ms
2026-04-15 00:40:13.910966 200 822ms
2026-04-14 02:41:45.345375 200 716ms
2026-04-14 00:54:29.610788 200 2102ms
2026-04-12 16:27:46.172531 200 1938ms
2026-04-12 15:08:53.736990 200 1890ms
2026-04-10 05:13:17.404632 200 1754ms
2026-04-10 01:25:08.361844 200 768ms
2026-04-09 03:14:56.422675 200 816ms
2026-04-09 02:09:03.277826 200 713ms
2026-03-23 10:34:38.270988 200 729ms
2026-03-23 09:33:41.160628 200 701ms