FIPS code 40123 is Pontotoc County, Oklahoma. With a population of 38,116 (2022 ACS estimate), it ranks #28 in Oklahoma and #1238 nationally. Pontotoc County is part of the Ada, OK. The state FIPS code for Oklahoma is 40. This code is used in Census Bureau, BLS, EPA, HUD, and USDA federal datasets to identify this county.
County FIPS
40123
Population
38,116
2022 ACS · #1238 nationally
Density
52.9/mi²
people per sq mile
Land Area
720
sq miles
Urban/Rural
Nonmetro — urban 2.5K–19.9K, not adjacent to metro
RUCC 7
How This FIPS Code Works
The 5-digit FIPS code 40123 is formed by combining the 2-digit state identifier 40 (Oklahoma) with the 3-digit county identifier 123. Together they uniquely identify Pontotoc County in every US federal dataset. No two counties share the same 5-digit FIPS code.
Census ACS Data for FIPS 40123
From the 2022 ACS 5-year estimates — the same values you'd retrieve by querying the Census API with county FIPS 40123.
Median Household Income
$59,457
ACS B19013_001E
Poverty Rate
13.3%
ACS B17001 (below poverty level)
Median Age
37.3
ACS B01002_001E
Metropolitan Area
Adjacent Counties (8)
Counties that share a border with Pontotoc County. Useful for regional analysis — these are the geographies you'd typically include when studying labor markets, commuting zones, or environmental spillovers around FIPS 40123.
Federal Datasets Using Code 40123
FIPS code 40123 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 40123 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:123",
"in": "state:40",
"key": "YOUR_CENSUS_API_KEY",
}
r = requests.get(url, params=params)
data = r.json() # [[header...], [Pontotoc County, Oklahoma, income, pop, ...]-- 5-digit combined FIPS (state + county)
SELECT * FROM your_table WHERE county_fips = '40123';
-- Some datasets store state and county separately
SELECT * FROM your_table
WHERE state_fips = '40'
AND county_fips = '123';
-- ⚠ Never cast to integer — leading zeros are lost:
-- county_fips = 40123 is WRONG for this countylibrary(tidycensus)
get_acs(
geography = "county",
variables = c(income = "B19013_001E", pop = "B01003_001E"),
state = "40",
county = "123",
year = 2022
)ZIP Codes in Pontotoc 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 Pontotoc County. Why FIPS ≠ ZIP →
| ZIP Code | % in county |
|---|---|
| 74843 | 100.0% |
| 74844 | 100.0% |
| 74842 | 100.0% |
| 74820 | 100.0% |
| 74865 | 88.4% |
| 74871 | 67.9% |
| 74825 | 47.8% |
| 74872 | 24.1% |
| 74572 | 16.8% |
| 74831 | 7.4% |