Pinellas County
Florida · County seat: Clearwater · Active county or equivalent
FIPS code 12103 is Pinellas County, Florida. With a population of 959,918 (2022 ACS estimate), it ranks #7 in Florida and #52 nationally. Pinellas County is part of the Tampa-St. Petersburg-Clearwater, FL. The state FIPS code for Florida is 12. This code is used in Census Bureau, BLS, EPA, HUD, and USDA federal datasets to identify this county.
County FIPS
12103
Population
959,918
2022 ACS · #52 nationally
Density
3,505.9/mi²
people per sq mile
Land Area
274
sq miles
Urban/Rural
Metro — 1M+ population
RUCC 1
How This FIPS Code Works
The 5-digit FIPS code 12103 is formed by combining the 2-digit state identifier 12 (Florida) with the 3-digit county identifier 103. Together they uniquely identify Pinellas County in every US federal dataset. No two counties share the same 5-digit FIPS code.
Census ACS Data for FIPS 12103
From the 2022 ACS 5-year estimates — the same values you'd retrieve by querying the Census API with county FIPS 12103.
Median Household Income
$66,406
ACS B19013_001E
Poverty Rate
11.5%
ACS B17001 (below poverty level)
Median Age
48.8
ACS B01002_001E
Metropolitan Area
Adjacent Counties (2)
Counties that share a border with Pinellas County. Useful for regional analysis — these are the geographies you'd typically include when studying labor markets, commuting zones, or environmental spillovers around FIPS 12103.
Federal Datasets Using Code 12103
FIPS code 12103 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 12103 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:103",
"in": "state:12",
"key": "YOUR_CENSUS_API_KEY",
}
r = requests.get(url, params=params)
data = r.json() # [[header...], [Pinellas County, Florida, income, pop, ...]-- 5-digit combined FIPS (state + county)
SELECT * FROM your_table WHERE county_fips = '12103';
-- Some datasets store state and county separately
SELECT * FROM your_table
WHERE state_fips = '12'
AND county_fips = '103';
-- ⚠ Never cast to integer — leading zeros are lost:
-- county_fips = 12103 is WRONG for this countylibrary(tidycensus)
get_acs(
geography = "county",
variables = c(income = "B19013_001E", pop = "B01003_001E"),
state = "12",
county = "103",
year = 2022
)ZIP Codes in Pinellas 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 Pinellas County. Why FIPS ≠ ZIP →
| ZIP Code | % in county |
|---|---|
| 33701 | 100.0% |
| 33702 | 100.0% |
| 33703 | 100.0% |
| 33704 | 100.0% |
| 33705 | 100.0% |
| 33706 | 100.0% |
| 33707 | 100.0% |
| 33708 | 100.0% |
| 33709 | 100.0% |
| 33710 | 100.0% |
| 33711 | 100.0% |
| 33712 | 100.0% |
| 33713 | 100.0% |
| 33714 | 100.0% |
| 33715 | 100.0% |
| 33716 | 100.0% |
| 33744 | 100.0% |
| 33755 | 100.0% |
| 33756 | 100.0% |
| 33759 | 100.0% |
| 33760 | 100.0% |
| 33761 | 100.0% |
| 33762 | 100.0% |
| 33763 | 100.0% |
| 33764 | 100.0% |
| 33765 | 100.0% |
| 33767 | 100.0% |
| 33770 | 100.0% |
| 33771 | 100.0% |
| 33772 | 100.0% |
Showing top 30 of 48 ZIP codes by residential address share.