Door County
Wisconsin · County seat: Sturgeon Bay · Active county or equivalent
FIPS code 55029 is Door County, Wisconsin. With a population of 30,038 (2022 ACS estimate), it ranks #44 in Wisconsin and #1466 nationally. The state FIPS code for Wisconsin is 55. This code is used in Census Bureau, BLS, EPA, HUD, and USDA federal datasets to identify this county.
County FIPS
55029
Population
30,038
2022 ACS · #1466 nationally
Density
62.3/mi²
people per sq mile
Land Area
482
sq miles
Urban/Rural
Nonmetro — urban 2.5K–19.9K, adjacent to metro
RUCC 6
How This FIPS Code Works
The 5-digit FIPS code 55029 is formed by combining the 2-digit state identifier 55 (Wisconsin) with the 3-digit county identifier 029. Together they uniquely identify Door County in every US federal dataset. No two counties share the same 5-digit FIPS code.
Census ACS Data for FIPS 55029
From the 2022 ACS 5-year estimates — the same values you'd retrieve by querying the Census API with county FIPS 55029.
Median Household Income
$68,257
ACS B19013_001E
Poverty Rate
8.7%
ACS B17001 (below poverty level)
Median Age
53.6
ACS B01002_001E
Adjacent Counties (8)
Counties that share a border with Door County. Useful for regional analysis — these are the geographies you'd typically include when studying labor markets, commuting zones, or environmental spillovers around FIPS 55029.
Federal Datasets Using Code 55029
FIPS code 55029 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 55029 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:55",
"key": "YOUR_CENSUS_API_KEY",
}
r = requests.get(url, params=params)
data = r.json() # [[header...], [Door County, Wisconsin, income, pop, ...]-- 5-digit combined FIPS (state + county)
SELECT * FROM your_table WHERE county_fips = '55029';
-- Some datasets store state and county separately
SELECT * FROM your_table
WHERE state_fips = '55'
AND county_fips = '029';
-- ⚠ Never cast to integer — leading zeros are lost:
-- county_fips = 55029 is WRONG for this countylibrary(tidycensus)
get_acs(
geography = "county",
variables = c(income = "B19013_001E", pop = "B01003_001E"),
state = "55",
county = "029",
year = 2022
)ZIP Codes in Door 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 Door County. Why FIPS ≠ ZIP →
| ZIP Code | % in county |
|---|---|
| 54246 | 100.0% |
| 54202 | 100.0% |
| 54204 | 100.0% |
| 54211 | 100.0% |
| 54212 | 100.0% |
| 54234 | 100.0% |
| 54235 | 100.0% |
| 54209 | 100.0% |
| 54210 | 100.0% |
| 54213 | 89.9% |
| 54201 | 8.3% |
| 54217 | 7.9% |
| 54205 | 2.2% |