Guthrie County
Iowa · County seat: Guthrie Center · Active county or equivalent
FIPS code 19077 is Guthrie County, Iowa. With a population of 10,619 (2022 ACS estimate), it ranks #70 in Iowa and #2435 nationally. Guthrie County is part of the Des Moines-West Des Moines, IA. The state FIPS code for Iowa is 19. This code is used in Census Bureau, BLS, EPA, HUD, and USDA federal datasets to identify this county.
County FIPS
19077
Population
10,619
2022 ACS · #2435 nationally
Density
18.0/mi²
people per sq mile
Land Area
591
sq miles
Urban/Rural
Metro — 250K–1M population
RUCC 2
How This FIPS Code Works
The 5-digit FIPS code 19077 is formed by combining the 2-digit state identifier 19 (Iowa) with the 3-digit county identifier 077. Together they uniquely identify Guthrie County in every US federal dataset. No two counties share the same 5-digit FIPS code.
Census ACS Data for FIPS 19077
From the 2022 ACS 5-year estimates — the same values you'd retrieve by querying the Census API with county FIPS 19077.
Median Household Income
$75,795
ACS B19013_001E
Poverty Rate
10.1%
ACS B17001 (below poverty level)
Median Age
45.9
ACS B01002_001E
Metropolitan Area
Adjacent Counties (7)
Counties that share a border with Guthrie County. Useful for regional analysis — these are the geographies you'd typically include when studying labor markets, commuting zones, or environmental spillovers around FIPS 19077.
Federal Datasets Using Code 19077
FIPS code 19077 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 19077 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:077",
"in": "state:19",
"key": "YOUR_CENSUS_API_KEY",
}
r = requests.get(url, params=params)
data = r.json() # [[header...], [Guthrie County, Iowa, income, pop, ...]-- 5-digit combined FIPS (state + county)
SELECT * FROM your_table WHERE county_fips = '19077';
-- Some datasets store state and county separately
SELECT * FROM your_table
WHERE state_fips = '19'
AND county_fips = '077';
-- ⚠ Never cast to integer — leading zeros are lost:
-- county_fips = 19077 is WRONG for this countylibrary(tidycensus)
get_acs(
geography = "county",
variables = c(income = "B19013_001E", pop = "B01003_001E"),
state = "19",
county = "077",
year = 2022
)ZIP Codes in Guthrie 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 Guthrie County. Why FIPS ≠ ZIP →
| ZIP Code | % in county |
|---|---|
| 50216 | 100.0% |
| 50115 | 100.0% |
| 50029 | 92.2% |
| 50277 | 83.0% |
| 50026 | 57.1% |
| 50048 | 55.9% |
| 50002 | 53.4% |
| 50164 | 52.4% |
| 50128 | 48.6% |
| 50058 | 39.4% |
| 50250 | 34.0% |
| 50233 | 17.9% |
| 50070 | 15.9% |
| 50146 | 11.4% |
| 50025 | 1.5% |
| 50020 | 1.0% |
| 50076 | 0.9% |
| 50129 | 0.2% |