You can access the U.S. Census Address Geocoder — Tract & Block API programmatically from your own applications by using the Apify API. You can also choose the language preference from below. To use the Apify API, you’ll need an Apify account and your API token, found in API & Integrations in Apify Console.

Python

JavaScript

CLI

OpenAPI

HTTP

MCP

1from apify_client import ApifyClient
2
3# Initialize the ApifyClient with your Apify API token
4# Replace '<YOUR_API_TOKEN>' with your token.
5client = ApifyClient("<YOUR_API_TOKEN>")
6
7# Prepare the Actor input
8run_input = { "addresses": [
9        "1600 Pennsylvania Ave NW, Washington, DC 20500",
10        "350 5th Ave, New York, NY 10118",
11    ] }
12
13# Run the Actor and wait for it to finish
14run = client.actor("quartz_apple_dnx/us-census-address-geography-api").call(run_input=run_input)
15
16# Fetch and print Actor results from the run's dataset (if there are any)
17print(f"💾 Check your data here: https://console.apify.com/storage/datasets/{run.default_dataset_id}")
18for item in client.dataset(run.default_dataset_id).iterate_items():
19    print(item)
20
21# 📚 Want to learn more 📖? Go to → https://docs.apify.com/api/client/python/docs/quick-start

US Census Geocoder API — Tract & Block $0.25/1K API in Python

The Apify API client for Python is the official library that allows you to use U.S. Census Address Geocoder — Tract & Block API API in Python, providing convenience functions and automatic retries on errors.

Install the apify-client

$pip install apify-client

Other API clients include:

U.S. Census Address Geocoder — Tract & Block API API in JavaScript

U.S. Census Address Geocoder — Tract & Block API API through CLI

U.S. Census Address Geocoder — Tract & Block API OpenAPI definition

U.S. Census Address Geocoder — Tract & Block API API

U.S. Address Geocoder

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Google Geocoding Scraper - Address to Lat Long & Reverse

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Scrape official Census ACS demographics, income, housing, poverty, and population data by state, county, ZIP, city, tract, or metro. Free Census API key required for live data; omitted-key runs return setup instructions instead of failing.

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Nominatim Address Geocoder

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U.S. Census Geocoder

maximedupre/us-census-geocoder

Match U.S. street addresses or coordinates with the Census Geocoder. Export standardized addresses, coordinates, TIGER/Line details, and available Census geography.

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US Address Checker & GPS Finder: Verify & Geocode

scrapemint/us-address-checker

Check US addresses in bulk: is it a real address, the cleaned up official version, and its exact GPS location for maps. Plus county, city and district info. Paste one address or thousands. Bulk address checker and geocoder built on official US Census data. No API key needed.

Ken M

Census Address Geography Check

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A definitive check: does this business/property address resolve to an official U.S. Census geography, and which one?

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NL Adres Geocoding & Buurtdata — PDOK + CBS

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Geocode Nederlandse adressen via PDOK en verrijk ze direct met CBS-buurtstatistieken (inkomen, inwoners, stedelijkheid) — bulk-verwerking, één call, geen losse databronnen combineren.

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FEMA NFIP Flood Claims Search — Fast OpenFEMA API

quartz_apple_dnx/fema-nfip-flood-claims-search-api

Search FEMA's public privacy-redacted NFIP flood-claims dataset by state, county FIPS, ZIP, loss year and flood zone. Area-level analysis only; independent tool, not affiliated with or endorsed by FEMA.