Natrona

Source:

Wyoming

Natrona is a county in Wyoming with 12 ZIP codes and a total population of 75,462. All data is sourced from the U.S. Census Bureau American Community Survey (ACS) 2023 5-Year Estimates.

Natrona is a county inside Wyoming (FIPS code 56025) that contains 12 USPS ZIP codes covering a combined population of 75,462 according to Census ACS 5-Year Estimates. Counties are the natural bridge between state-level summaries and ZIP-level detail — crime statistics, HUD Fair Market Rents, and childcare pricing are all published at the county level, while household income and housing values are published at the ZIP level. This page reconciles the two views so you can see which ZIPs drive the county totals.

The 12 ZIPs listed below are ordered by population and each links to the full ZIP detail page with Census demographics, housing, income, home-price history, and cross-agency inputs. The most populated ZIP in Natrona is 82601 covering Casper with 27,400 residents at 19 people per square mile. Population density across ZIPs in this county varies — use the density column to spot urban cores versus rural delivery areas. A single county can contain both a dense downtown ZIP and a large rural ZIP covering several hundred square miles.

Because Natrona uses FIPS code 56025, it joins cleanly to county-level federal datasets: HUD Fair Market Rent tables, FBI Uniform Crime Report data, and the Department of Labor National Database of Childcare Prices all key off the same code. That is how neighborhood scorecards combine ZIP-level Census demographics with county-level safety and affordability metrics. All data on this page comes from U.S. Census Bureau ACS 2023 5-Year Estimates and USPS ZIP Code Tabulation Area files — no estimates, no proprietary sources, no editorial scoring.

12

Total ZIPs

75,462

Total Population

ZIP Codes in Natrona

Side-by-side: Compare 82601 vs 82604 →

ZIP Code City Population Density
82601 Casper 27,400 19
82604 Casper 25,882 5
82609 Casper 15,730 104
82636 Evansville 3,981 17
82644 Mills 1,480 679
82643 Midwest 469 6
82620 Alcova 210 0
82635 Edgerton 207 5
82648 Powder River 56
82646 Natrona 20 0
82638 Hiland 17 1
82630 Arminto 10 0

What are common questions about ZIP codes in this county?

What is the population of Natrona?
Natrona has a total population of 75,462 across 12 ZIP codes, based on U.S. Census Bureau ACS 2023 data.
What ZIP codes are in Natrona?
Natrona includes 12 ZIP codes: 82601, 82604, 82609, 82636, 82644, 82643, 82620, 82635, 82648, 82646, and more.
What is the median household income in Natrona?
Median household income data for individual ZIP codes in Natrona is available on each ZIP code's detail page. Visit any ZIP code link below to see income, housing, and demographic data.

Source: U.S. Census Bureau, American Community Survey (ACS) 5-Year Estimates (2023). Verify with Census Bureau →

Source: HUD USPS Crosswalk (ZIP-to-county mapping). Verify with HUD →

PlainZIP is not affiliated with the U.S. Census Bureau or any government agency.