Champaign County
Illinois · County seat: Urbana · Active county or equivalent
FIPS code 17019 is Champaign County, Illinois. With a population of 206,525 (2022 ACS estimate), it ranks #10 in Illinois and #328 nationally. Champaign County is part of the Champaign-Urbana, IL. The state FIPS code for Illinois is 17. This code is used in Census Bureau, BLS, EPA, HUD, and USDA federal datasets to identify this county.
County FIPS
17019
Population
206,525
2022 ACS · #328 nationally
Density
207.3/mi²
people per sq mile
Land Area
996
sq miles
Urban/Rural
Metro — under 250K population
RUCC 3
How This FIPS Code Works
The 5-digit FIPS code 17019 is formed by combining the 2-digit state identifier 17 (Illinois) with the 3-digit county identifier 019. Together they uniquely identify Champaign County in every US federal dataset. No two counties share the same 5-digit FIPS code.
Census ACS Data for FIPS 17019
From the 2022 ACS 5-year estimates — the same values you'd retrieve by querying the Census API with county FIPS 17019.
Median Household Income
$61,090
ACS B19013_001E
Poverty Rate
18.7%
ACS B17001 (below poverty level)
Median Age
30.8
ACS B01002_001E
Metropolitan Area
Adjacent Counties (6)
Counties that share a border with Champaign County. Useful for regional analysis — these are the geographies you'd typically include when studying labor markets, commuting zones, or environmental spillovers around FIPS 17019.
Federal Datasets Using Code 17019
FIPS code 17019 appears as the county identifier in the following federal datasets. Analysts joining data across these sources use this code as the common geographic key.
Using FIPS Code 17019 in Code
Common patterns for querying federal datasets by this county's FIPS code. The leading zeros are significant — always treat FIPS codes as strings, not integers.
import requests
url = "https://api.census.gov/data/2022/acs/acs5"
params = {
"get": "NAME,B19013_001E,B01003_001E",
"for": "county:019",
"in": "state:17",
"key": "YOUR_CENSUS_API_KEY",
}
r = requests.get(url, params=params)
data = r.json() # [[header...], [Champaign County, Illinois, income, pop, ...]
-- 5-digit combined FIPS (state + county)
SELECT * FROM your_table WHERE county_fips = '17019';
-- Some datasets store state and county separately
SELECT * FROM your_table
WHERE state_fips = '17'
AND county_fips = '019';
-- ⚠ Never cast to integer — leading zeros are lost:
-- county_fips = 17019 is WRONG for this county
library(tidycensus)
get_acs(
geography = "county",
variables = c(income = "B19013_001E", pop = "B01003_001E"),
state = "17",
county = "019",
year = 2022
)
ZIP Codes in Champaign County
ZIP codes do not align perfectly with county boundaries — a single ZIP code can span multiple counties, and a county can contain parts of many ZIP codes. The ratios below (from the Census 2020 ZCTA relationship file) show the land area share of each ZCTA that falls within Champaign County. Why FIPS ≠ ZIP →
| ZIP Code | % in county |
|---|---|
| 61863 | 100.0% |
| 61874 | 100.0% |
| 61880 | 100.0% |
| 61878 | 100.0% |
| 61801 | 100.0% |
| 61802 | 100.0% |
| 61877 | 100.0% |
| 61815 | 100.0% |
| 61816 | 100.0% |
| 61820 | 100.0% |
| 61821 | 100.0% |
| 61822 | 100.0% |
| 61840 | 100.0% |
| 61873 | 100.0% |
| 61871 | 100.0% |
| 61847 | 100.0% |
| 61866 | 100.0% |
| 61864 | 100.0% |
| 61875 | 98.8% |
| 61843 | 94.4% |
| 60949 | 93.1% |
| 61853 | 92.0% |
| 61872 | 90.2% |
| 61845 | 90.0% |
| 61851 | 89.3% |
| 61859 | 85.4% |
| 61862 | 81.6% |
| 61852 | 78.9% |
| 61849 | 66.3% |
| 61956 | 23.0% |
Showing top 30 of 35 ZIP codes by residential address share.