Butte County
California · County seat: Oroville · Active county or equivalent
FIPS code 06007 is Butte County, California. With a population of 213,605 (2022 ACS estimate), it ranks #28 in California and #318 nationally. Butte County is part of the Chico, CA. The state FIPS code for California is 06. This code is used in Census Bureau, BLS, EPA, HUD, and USDA federal datasets to identify this county.
County FIPS
06007
Population
213,605
2022 ACS · #318 nationally
Density
130.5/mi²
people per sq mile
Land Area
1,636
sq miles
Urban/Rural
Metro — under 250K population
RUCC 3
How This FIPS Code Works
The 5-digit FIPS code 06007 is formed by combining the 2-digit state identifier 06 (California) with the 3-digit county identifier 007. Together they uniquely identify Butte County in every US federal dataset. No two counties share the same 5-digit FIPS code.
Census ACS Data for FIPS 06007
From the 2022 ACS 5-year estimates — the same values you'd retrieve by querying the Census API with county FIPS 06007.
Median Household Income
$66,085
ACS B19013_001E
Poverty Rate
18.2%
ACS B17001 (below poverty level)
Median Age
36.5
ACS B01002_001E
Metropolitan Area
Adjacent Counties (6)
Counties that share a border with Butte County. Useful for regional analysis — these are the geographies you'd typically include when studying labor markets, commuting zones, or environmental spillovers around FIPS 06007.
Federal Datasets Using Code 06007
FIPS code 06007 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 06007 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:007",
"in": "state:06",
"key": "YOUR_CENSUS_API_KEY",
}
r = requests.get(url, params=params)
data = r.json() # [[header...], [Butte County, California, income, pop, ...]-- 5-digit combined FIPS (state + county)
SELECT * FROM your_table WHERE county_fips = '06007';
-- Some datasets store state and county separately
SELECT * FROM your_table
WHERE state_fips = '06'
AND county_fips = '007';
-- ⚠ Never cast to integer — leading zeros are lost:
-- county_fips = 6007 is WRONG for this countylibrary(tidycensus)
get_acs(
geography = "county",
variables = c(income = "B19013_001E", pop = "B01003_001E"),
state = "06",
county = "007",
year = 2022
)ZIP Codes in Butte 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 Butte County. Why FIPS ≠ ZIP →
| ZIP Code | % in county |
|---|---|
| 95978 | 100.0% |
| 95942 | 100.0% |
| 95954 | 100.0% |
| 95958 | 100.0% |
| 95965 | 100.0% |
| 95968 | 100.0% |
| 95969 | 100.0% |
| 95974 | 100.0% |
| 95916 | 100.0% |
| 95917 | 100.0% |
| 95926 | 100.0% |
| 95928 | 100.0% |
| 95929 | 100.0% |
| 95938 | 100.0% |
| 95948 | 99.8% |
| 95966 | 96.8% |
| 95914 | 88.1% |
| 95941 | 85.3% |
| 95930 | 85.0% |
| 95973 | 61.5% |
| 95901 | 3.1% |