53033 FipsDecoder
42089 County FIPS Code

Monroe County

Pennsylvania · County seat: Stroudsburg · Active county or equivalent

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FIPS code 42089 is Monroe County, Pennsylvania. With a population of 168,128 (2022 ACS estimate), it ranks #20 in Pennsylvania and #396 nationally. Monroe County is part of the East Stroudsburg, PA. The state FIPS code for Pennsylvania is 42. This code is used in Census Bureau, BLS, EPA, HUD, and USDA federal datasets to identify this county.

County FIPS

42089

State FIPS

42

PA

Population

168,128

2022 ACS · #396 nationally

Density

276.4/mi²

people per sq mile

Land Area

608

sq miles

Urban/Rural

Nonmetro — urban 20K+, adjacent to metro

RUCC 4

How This FIPS Code Works

42 089
42 = State FIPS (Pennsylvania)
089 = County FIPS

The 5-digit FIPS code 42089 is formed by combining the 2-digit state identifier 42 (Pennsylvania) with the 3-digit county identifier 089. Together they uniquely identify Monroe County in every US federal dataset. No two counties share the same 5-digit FIPS code.

Census ACS Data for FIPS 42089

From the 2022 ACS 5-year estimates — the same values you'd retrieve by querying the Census API with county FIPS 42089.

Median Household Income

$80,656

ACS B19013_001E

Poverty Rate

11.3%

ACS B17001 (below poverty level)

Median Age

43.5

ACS B01002_001E

Metropolitan Area

Adjacent Counties (8)

Counties that share a border with Monroe County. Useful for regional analysis — these are the geographies you'd typically include when studying labor markets, commuting zones, or environmental spillovers around FIPS 42089.

Federal Datasets Using Code 42089

FIPS code 42089 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 42089 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 42089
import requests

url = "https://api.census.gov/data/2022/acs/acs5"
params = {
    "get":  "NAME,B19013_001E,B01003_001E",
    "for":  "county:089",
    "in":   "state:42",
    "key":  "YOUR_CENSUS_API_KEY",
}
r = requests.get(url, params=params)
data = r.json()  # [[header...], [Monroe County, Pennsylvania, income, pop, ...]
SQL — filtering by county FIPS 42089
-- 5-digit combined FIPS (state + county)
SELECT * FROM your_table WHERE county_fips = '42089';

-- Some datasets store state and county separately
SELECT * FROM your_table
WHERE state_fips = '42'
  AND county_fips = '089';

-- ⚠ Never cast to integer — leading zeros are lost:
-- county_fips = 42089 is WRONG for this county
R — tidycensus 42089
library(tidycensus)

get_acs(
  geography = "county",
  variables = c(income = "B19013_001E", pop = "B01003_001E"),
  state     = "42",
  county    = "089",
  year      = 2022
)
Zero-padding reminder: FIPS codes must always be stored and compared as zero-padded strings. 42 (not 42) and 089 (not 89) — losing the leading zeros is one of the most common data-join bugs in federal datasets. Full guide →

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

ZIP Code % in county
18356 100.0%
18354 100.0%
18355 100.0%
18357 100.0%
18372 100.0%
18301 100.0%
18321 100.0%
18322 100.0%
18323 100.0%
18370 100.0%
18360 100.0%
18327 100.0%
18330 100.0%
18331 100.0%
18332 100.0%
18333 100.0%
18334 100.0%
18335 100.0%
18342 100.0%
18344 100.0%
18346 100.0%
18347 100.0%
18349 100.0%
18350 100.0%
18353 100.0%
18302 99.2%
18466 97.7%
18326 97.3%
18610 95.5%
18058 84.4%

Showing top 30 of 35 ZIP codes by residential address share.

Other Counties in Pennsylvania