53033 FipsDecoder
53013 County FIPS Code

Columbia County

Washington · County seat: Dayton · Active county or equivalent

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FIPS code 53013 is Columbia County, Washington. With a population of 3,980 (2022 ACS estimate), it ranks #38 in Washington and #2961 nationally. The state FIPS code for Washington is 53. This code is used in Census Bureau, BLS, EPA, HUD, and USDA federal datasets to identify this county.

County FIPS

53013

State FIPS

53

WA

Population

3,980

2022 ACS · #2961 nationally

Density

4.6/mi²

people per sq mile

Land Area

869

sq miles

Urban/Rural

Nonmetro — rural, adjacent to metro

RUCC 8

How This FIPS Code Works

53 013
53 = State FIPS (Washington)
013 = County FIPS

The 5-digit FIPS code 53013 is formed by combining the 2-digit state identifier 53 (Washington) with the 3-digit county identifier 013. Together they uniquely identify Columbia County in every US federal dataset. No two counties share the same 5-digit FIPS code.

Census ACS Data for FIPS 53013

From the 2022 ACS 5-year estimates — the same values you'd retrieve by querying the Census API with county FIPS 53013.

Median Household Income

$68,825

ACS B19013_001E

Poverty Rate

9.3%

ACS B17001 (below poverty level)

Median Age

50.8

ACS B01002_001E

Adjacent Counties (6)

Counties that share a border with Columbia County. Useful for regional analysis — these are the geographies you'd typically include when studying labor markets, commuting zones, or environmental spillovers around FIPS 53013.

Federal Datasets Using Code 53013

FIPS code 53013 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 53013 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.

Census ACS API — Python 53013
import requests

url = "https://api.census.gov/data/2022/acs/acs5"
params = {
    "get":  "NAME,B19013_001E,B01003_001E",
    "for":  "county:013",
    "in":   "state:53",
    "key":  "YOUR_CENSUS_API_KEY",
}
r = requests.get(url, params=params)
data = r.json()  # [[header...], [Columbia County, Washington, income, pop, ...]
SQL — filtering by county FIPS 53013
-- 5-digit combined FIPS (state + county)
SELECT * FROM your_table WHERE county_fips = '53013';

-- Some datasets store state and county separately
SELECT * FROM your_table
WHERE state_fips = '53'
  AND county_fips = '013';

-- ⚠ Never cast to integer — leading zeros are lost:
-- county_fips = 53013 is WRONG for this county
R — tidycensus 53013
library(tidycensus)

get_acs(
  geography = "county",
  variables = c(income = "B19013_001E", pop = "B01003_001E"),
  state     = "53",
  county    = "013",
  year      = 2022
)
Zero-padding reminder: FIPS codes must always be stored and compared as zero-padded strings. 53 (not 53) and 013 (not 13) — losing the leading zeros is one of the most common data-join bugs in federal datasets. Full guide →

ZIP Codes in Columbia 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 Columbia County. Why FIPS ≠ ZIP →

ZIP Code % in county
99328 100.0%
99359 100.0%
99361 32.3%
99347 9.7%
99348 4.1%

Other Counties in Washington