FIPS code 24023 is Garrett County, Maryland. With a population of 28,856 (2022 ACS estimate), it ranks #22 in Maryland and #1496 nationally. The state FIPS code for Maryland is 24. This code is used in Census Bureau, BLS, EPA, HUD, and USDA federal datasets to identify this county.
County FIPS
24023
Population
28,856
2022 ACS · #1496 nationally
Density
44.6/mi²
people per sq mile
Land Area
647
sq miles
Urban/Rural
Nonmetro — rural, adjacent to metro
RUCC 8
How This FIPS Code Works
The 5-digit FIPS code 24023 is formed by combining the 2-digit state identifier 24 (Maryland) with the 3-digit county identifier 023. Together they uniquely identify Garrett County in every US federal dataset. No two counties share the same 5-digit FIPS code.
Census ACS Data for FIPS 24023
From the 2022 ACS 5-year estimates — the same values you'd retrieve by querying the Census API with county FIPS 24023.
Median Household Income
$64,447
ACS B19013_001E
Poverty Rate
11.1%
ACS B17001 (below poverty level)
Median Age
47.6
ACS B01002_001E
Adjacent Counties (6)
Counties that share a border with Garrett County. Useful for regional analysis — these are the geographies you'd typically include when studying labor markets, commuting zones, or environmental spillovers around FIPS 24023.
Federal Datasets Using Code 24023
FIPS code 24023 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 24023 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:023",
"in": "state:24",
"key": "YOUR_CENSUS_API_KEY",
}
r = requests.get(url, params=params)
data = r.json() # [[header...], [Garrett County, Maryland, income, pop, ...]
-- 5-digit combined FIPS (state + county)
SELECT * FROM your_table WHERE county_fips = '24023';
-- Some datasets store state and county separately
SELECT * FROM your_table
WHERE state_fips = '24'
AND county_fips = '023';
-- ⚠ Never cast to integer — leading zeros are lost:
-- county_fips = 24023 is WRONG for this county
library(tidycensus)
get_acs(
geography = "county",
variables = c(income = "B19013_001E", pop = "B01003_001E"),
state = "24",
county = "023",
year = 2022
)
ZIP Codes in Garrett 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 Garrett County. Why FIPS ≠ ZIP →
| ZIP Code | % in county |
|---|---|
| 21520 | 100.0% |
| 21538 | 100.0% |
| 21541 | 100.0% |
| 21550 | 100.0% |
| 21561 | 100.0% |
| 21523 | 100.0% |
| 21531 | 100.0% |
| 21536 | 100.0% |
| 21521 | 62.2% |
| 21539 | 57.4% |
| 21562 | 50.3% |
| 21532 | 45.5% |