McHenry County
North Dakota · County seat: Towner · Active county or equivalent
FIPS code 38049 is McHenry County, North Dakota. With a population of 5,326 (2022 ACS estimate), it ranks #23 in North Dakota and #2863 nationally. McHenry County is part of the Minot, ND. The state FIPS code for North Dakota is 38. This code is used in Census Bureau, BLS, EPA, HUD, and USDA federal datasets to identify this county.
County FIPS
38049
Population
5,326
2022 ACS · #2863 nationally
Density
2.8/mi²
people per sq mile
Land Area
1,874
sq miles
Urban/Rural
Metro — under 250K population
RUCC 3
How This FIPS Code Works
The 5-digit FIPS code 38049 is formed by combining the 2-digit state identifier 38 (North Dakota) with the 3-digit county identifier 049. Together they uniquely identify McHenry County in every US federal dataset. No two counties share the same 5-digit FIPS code.
Census ACS Data for FIPS 38049
From the 2022 ACS 5-year estimates — the same values you'd retrieve by querying the Census API with county FIPS 38049.
Median Household Income
$78,071
ACS B19013_001E
Poverty Rate
10.3%
ACS B17001 (below poverty level)
Median Age
43.0
ACS B01002_001E
Metropolitan Area
Adjacent Counties (6)
Counties that share a border with McHenry County. Useful for regional analysis — these are the geographies you'd typically include when studying labor markets, commuting zones, or environmental spillovers around FIPS 38049.
Federal Datasets Using Code 38049
FIPS code 38049 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 38049 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:049",
"in": "state:38",
"key": "YOUR_CENSUS_API_KEY",
}
r = requests.get(url, params=params)
data = r.json() # [[header...], [McHenry County, North Dakota, income, pop, ...]-- 5-digit combined FIPS (state + county)
SELECT * FROM your_table WHERE county_fips = '38049';
-- Some datasets store state and county separately
SELECT * FROM your_table
WHERE state_fips = '38'
AND county_fips = '049';
-- ⚠ Never cast to integer — leading zeros are lost:
-- county_fips = 38049 is WRONG for this countylibrary(tidycensus)
get_acs(
geography = "county",
variables = c(income = "B19013_001E", pop = "B01003_001E"),
state = "38",
county = "049",
year = 2022
)ZIP Codes in McHenry 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 McHenry County. Why FIPS ≠ ZIP →
| ZIP Code | % in county |
|---|---|
| 58792 | 100.0% |
| 58712 | 100.0% |
| 58713 | 100.0% |
| 58741 | 100.0% |
| 58744 | 100.0% |
| 58788 | 96.9% |
| 58789 | 91.2% |
| 58731 | 90.0% |
| 58790 | 78.7% |
| 58736 | 73.1% |
| 58768 | 50.0% |
| 58710 | 40.3% |
| 58762 | 23.8% |
| 58384 | 22.6% |
| 58748 | 15.5% |
| 58778 | 7.7% |
| 58368 | 6.9% |
| 58740 | 2.3% |
| 58723 | 1.0% |