53033 FipsDecoder
41047 County FIPS Code

Marion County

Oregon · County seat: Salem · Active county or equivalent

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FIPS code 41047 is Marion County, Oregon. With a population of 345,815 (2022 ACS estimate), it ranks #5 in Oregon and #206 nationally. Marion County is part of the Salem, OR. The state FIPS code for Oregon is 41. This code is used in Census Bureau, BLS, EPA, HUD, and USDA federal datasets to identify this county.

County FIPS

41047

State FIPS

41

OR

Population

345,815

2022 ACS · #206 nationally

Density

292.5/mi²

people per sq mile

Land Area

1,182

sq miles

Urban/Rural

Metro — 250K–1M population

RUCC 2

How This FIPS Code Works

41 047
41 = State FIPS (Oregon)
047 = County FIPS

The 5-digit FIPS code 41047 is formed by combining the 2-digit state identifier 41 (Oregon) with the 3-digit county identifier 047. Together they uniquely identify Marion County in every US federal dataset. No two counties share the same 5-digit FIPS code.

Census ACS Data for FIPS 41047

From the 2022 ACS 5-year estimates — the same values you'd retrieve by querying the Census API with county FIPS 41047.

Median Household Income

$70,926

ACS B19013_001E

Poverty Rate

13.0%

ACS B17001 (below poverty level)

Median Age

37.0

ACS B01002_001E

Metropolitan Area

Adjacent Counties (6)

Counties that share a border with Marion County. Useful for regional analysis — these are the geographies you'd typically include when studying labor markets, commuting zones, or environmental spillovers around FIPS 41047.

Federal Datasets Using Code 41047

FIPS code 41047 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 41047 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 41047
import requests

url = "https://api.census.gov/data/2022/acs/acs5"
params = {
    "get":  "NAME,B19013_001E,B01003_001E",
    "for":  "county:047",
    "in":   "state:41",
    "key":  "YOUR_CENSUS_API_KEY",
}
r = requests.get(url, params=params)
data = r.json()  # [[header...], [Marion County, Oregon, income, pop, ...]
SQL — filtering by county FIPS 41047
-- 5-digit combined FIPS (state + county)
SELECT * FROM your_table WHERE county_fips = '41047';

-- Some datasets store state and county separately
SELECT * FROM your_table
WHERE state_fips = '41'
  AND county_fips = '047';

-- ⚠ Never cast to integer — leading zeros are lost:
-- county_fips = 41047 is WRONG for this county
R — tidycensus 41047
library(tidycensus)

get_acs(
  geography = "county",
  variables = c(income = "B19013_001E", pop = "B01003_001E"),
  state     = "41",
  county    = "047",
  year      = 2022
)
Zero-padding reminder: FIPS codes must always be stored and compared as zero-padded strings. 41 (not 41) and 047 (not 47) — losing the leading zeros is one of the most common data-join bugs in federal datasets. Full guide →

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

ZIP Code % in county
97392 100.0%
97020 100.0%
97026 100.0%
97303 100.0%
97305 100.0%
97306 100.0%
97310 100.0%
97317 100.0%
97325 100.0%
97342 100.0%
97373 100.0%
97381 100.0%
97384 100.0%
97385 100.0%
97137 100.0%
97301 100.0%
97302 100.0%
97362 89.2%
97352 81.8%
97375 78.5%
97358 76.7%
97071 74.1%
97346 73.2%
97002 71.2%
97383 70.4%
97032 65.2%
97360 42.1%
97350 7.2%

Other Counties in Oregon