Coles County
Illinois · County seat: Charleston · Active county or equivalent
FIPS code 17029 is Coles County, Illinois. With a population of 47,076 (2022 ACS estimate), it ranks #31 in Illinois and #1042 nationally. Coles County is part of the Charleston-Mattoon, 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
17029
Population
47,076
2022 ACS · #1042 nationally
Density
92.6/mi²
people per sq mile
Land Area
508
sq miles
Urban/Rural
Nonmetro — urban 20K+, not adjacent to metro
RUCC 5
How This FIPS Code Works
The 5-digit FIPS code 17029 is formed by combining the 2-digit state identifier 17 (Illinois) with the 3-digit county identifier 029. Together they uniquely identify Coles County in every US federal dataset. No two counties share the same 5-digit FIPS code.
Census ACS Data for FIPS 17029
From the 2022 ACS 5-year estimates — the same values you'd retrieve by querying the Census API with county FIPS 17029.
Median Household Income
$53,732
ACS B19013_001E
Poverty Rate
19.4%
ACS B17001 (below poverty level)
Median Age
37.4
ACS B01002_001E
Metropolitan Area
Adjacent Counties (6)
Counties that share a border with Coles County. Useful for regional analysis — these are the geographies you'd typically include when studying labor markets, commuting zones, or environmental spillovers around FIPS 17029.
Federal Datasets Using Code 17029
FIPS code 17029 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 17029 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:029",
"in": "state:17",
"key": "YOUR_CENSUS_API_KEY",
}
r = requests.get(url, params=params)
data = r.json() # [[header...], [Coles County, Illinois, income, pop, ...]-- 5-digit combined FIPS (state + county)
SELECT * FROM your_table WHERE county_fips = '17029';
-- Some datasets store state and county separately
SELECT * FROM your_table
WHERE state_fips = '17'
AND county_fips = '029';
-- ⚠ Never cast to integer — leading zeros are lost:
-- county_fips = 17029 is WRONG for this countylibrary(tidycensus)
get_acs(
geography = "county",
variables = c(income = "B19013_001E", pop = "B01003_001E"),
state = "17",
county = "029",
year = 2022
)ZIP Codes in Coles 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 Coles County. Why FIPS ≠ ZIP →
| ZIP Code | % in county |
|---|---|
| 61931 | 100.0% |
| 61912 | 100.0% |
| 61920 | 100.0% |
| 61938 | 98.7% |
| 62440 | 73.8% |
| 61943 | 57.9% |
| 62474 | 36.4% |
| 61910 | 32.8% |
| 61930 | 23.6% |
| 62469 | 15.0% |
| 61911 | 11.7% |
| 62420 | 5.5% |
| 61928 | 5.2% |
| 61951 | 2.4% |
| 61933 | 0.9% |
| 62447 | 0.0% |