FIPS code 20177 is Shawnee County, Kansas. With a population of 178,625 (2022 ACS estimate), it ranks #3 in Kansas and #374 nationally. Shawnee County is part of the Topeka, KS. The state FIPS code for Kansas is 20. This code is used in Census Bureau, BLS, EPA, HUD, and USDA federal datasets to identify this county.
County FIPS
20177
Population
178,625
2022 ACS · #374 nationally
Density
328.3/mi²
people per sq mile
Land Area
544
sq miles
Urban/Rural
Metro — under 250K population
RUCC 3
How This FIPS Code Works
The 5-digit FIPS code 20177 is formed by combining the 2-digit state identifier 20 (Kansas) with the 3-digit county identifier 177. Together they uniquely identify Shawnee County in every US federal dataset. No two counties share the same 5-digit FIPS code.
Census ACS Data for FIPS 20177
From the 2022 ACS 5-year estimates — the same values you'd retrieve by querying the Census API with county FIPS 20177.
Median Household Income
$63,463
ACS B19013_001E
Poverty Rate
12.9%
ACS B17001 (below poverty level)
Median Age
39.4
ACS B01002_001E
Metropolitan Area
Adjacent Counties (6)
Counties that share a border with Shawnee County. Useful for regional analysis — these are the geographies you'd typically include when studying labor markets, commuting zones, or environmental spillovers around FIPS 20177.
Federal Datasets Using Code 20177
FIPS code 20177 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 20177 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:177",
"in": "state:20",
"key": "YOUR_CENSUS_API_KEY",
}
r = requests.get(url, params=params)
data = r.json() # [[header...], [Shawnee County, Kansas, income, pop, ...]-- 5-digit combined FIPS (state + county)
SELECT * FROM your_table WHERE county_fips = '20177';
-- Some datasets store state and county separately
SELECT * FROM your_table
WHERE state_fips = '20'
AND county_fips = '177';
-- ⚠ Never cast to integer — leading zeros are lost:
-- county_fips = 20177 is WRONG for this countylibrary(tidycensus)
get_acs(
geography = "county",
variables = c(income = "B19013_001E", pop = "B01003_001E"),
state = "20",
county = "177",
year = 2022
)ZIP Codes in Shawnee 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 Shawnee County. Why FIPS ≠ ZIP →
| ZIP Code | % in county |
|---|---|
| 66622 | 100.0% |
| 66542 | 100.0% |
| 66603 | 100.0% |
| 66604 | 100.0% |
| 66605 | 100.0% |
| 66606 | 100.0% |
| 66607 | 100.0% |
| 66608 | 100.0% |
| 66609 | 100.0% |
| 66611 | 100.0% |
| 66612 | 100.0% |
| 66616 | 100.0% |
| 66618 | 100.0% |
| 66619 | 100.0% |
| 66621 | 100.0% |
| 66402 | 97.2% |
| 66539 | 96.4% |
| 66533 | 96.1% |
| 66610 | 92.3% |
| 66546 | 91.4% |
| 66614 | 83.6% |
| 66617 | 82.8% |
| 66615 | 77.7% |
| 66409 | 73.7% |
| 66536 | 10.6% |
| 66431 | 8.3% |
| 66512 | 5.0% |
| 66524 | 3.0% |
| 66050 | 0.8% |