FIPS code 19165 is Shelby County, Iowa. With a population of 11,737 (2022 ACS estimate), it ranks #65 in Iowa and #2363 nationally. 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
19165
Population
11,737
2022 ACS · #2363 nationally
Density
19.9/mi²
people per sq mile
Land Area
591
sq miles
Urban/Rural
Nonmetro — rural, adjacent to metro
RUCC 8
How This FIPS Code Works
The 5-digit FIPS code 19165 is formed by combining the 2-digit state identifier 19 (Iowa) with the 3-digit county identifier 165. Together they uniquely identify Shelby County in every US federal dataset. No two counties share the same 5-digit FIPS code.
Census ACS Data for FIPS 19165
From the 2022 ACS 5-year estimates — the same values you'd retrieve by querying the Census API with county FIPS 19165.
Median Household Income
$70,295
ACS B19013_001E
Poverty Rate
8.8%
ACS B17001 (below poverty level)
Median Age
45.5
ACS B01002_001E
Adjacent Counties (6)
Counties that share a border with Shelby County. Useful for regional analysis — these are the geographies you'd typically include when studying labor markets, commuting zones, or environmental spillovers around FIPS 19165.
Federal Datasets Using Code 19165
FIPS code 19165 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 19165 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:165",
"in": "state:19",
"key": "YOUR_CENSUS_API_KEY",
}
r = requests.get(url, params=params)
data = r.json() # [[header...], [Shelby County, Iowa, income, pop, ...]-- 5-digit combined FIPS (state + county)
SELECT * FROM your_table WHERE county_fips = '19165';
-- Some datasets store state and county separately
SELECT * FROM your_table
WHERE state_fips = '19'
AND county_fips = '165';
-- ⚠ Never cast to integer — leading zeros are lost:
-- county_fips = 19165 is WRONG for this countylibrary(tidycensus)
get_acs(
geography = "county",
variables = c(income = "B19013_001E", pop = "B01003_001E"),
state = "19",
county = "165",
year = 2022
)ZIP Codes in Shelby 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 Shelby County. Why FIPS ≠ ZIP →
| ZIP Code | % in county |
|---|---|
| 51530 | 100.0% |
| 51446 | 100.0% |
| 51447 | 100.0% |
| 51578 | 100.0% |
| 51562 | 100.0% |
| 51537 | 100.0% |
| 51527 | 83.3% |
| 51531 | 78.5% |
| 51565 | 74.0% |
| 51570 | 53.5% |
| 51454 | 42.5% |
| 51552 | 36.9% |
| 51577 | 31.2% |
| 51521 | 31.0% |
| 51543 | 30.1% |
| 51529 | 15.4% |
| 50022 | 4.1% |
| 51455 | 2.5% |
| 51563 | 0.3% |