Every ZIP code in the United States, with weather, radar, trivia and the numbers behind it. Five digits since 1963!

ZIP stands for Zone Improvement Plan. The codes went live on July 1, 1963.The lowest ZIP code is 00501 — the IRS in Holtsville, New York.The highest ZIP code is 99950, in Ketchikan, Alaska.Type 07734 into a calculator and turn it upside down: hELLO. It is Keansburg, New Jersey.12345 belongs to one company: General Electric in Schenectady, New York.The first digit is a region: 0 is New England and New Jersey, 9 is the West Coast, Alaska and Hawaii.Mr. ZIP, the cartoon mailman, was the mascot that sold the idea to America.ZIP+4 arrived in 1983 and can narrow a ZIP down to one side of one block.A ZIP code is a mail route, not a place: plenty of them cross county and even state lines.Play ZIP Hunt: guess the secret ZIP code of the day in six tries.
zipcodes.pro — STATE/IA/COUNTY/CRAWFORD

Crawford County, IA ZIP codes

There are 12 ZIP codes in Crawford County, IA, in 12 towns, from 51432 to 51528. The largest are 51442 (Denison), 51454 (Manilla) and 51461 (Schleswig). 1 more crosses into it from a neighbouring county: 51529.

The county seat is Denison.

ZIP codes
12
Partly in it
1 more
Towns
12
County seat
Denison
County FIPS
19047
State
Iowa
Population
16,277
Median household income
$67,027
Land area
714 sq mi

Crawford County ZIP codes by town

Denison (county seat)
51442

Each ZIP code is listed under the county most of its land lies in and the town the Postal Service names it for; a ZIP code's own page shows exactly how it is split.

ZIP codes partly in Crawford County

This ZIP code lies mostly in a neighbouring county but covers a twentieth or more of Crawford County.

Map of Crawford County ZIP codes

The ZIP codes of Crawford County, shaded. Outlines are Census ZIP Code Tabulation Areas (2020), which approximate the mail routes; PO-box and single-address codes have no area and are not drawn. Click any area to open its ZIP code.

Crawford County in numbers

About 16,277 people live in Crawford County, in 6,331 households, the 47th most populous of Iowa's 99 counties. The median household income is $67,027 a year, 11% below the Iowa median of $75,059 (US: $80,734). The median owner-occupied home is valued at $153,700 (26% below the Iowa median), and median gross rent is $743 a month. The median age is 37.9; 17.7% of adults 25 and over hold a bachelor's degree or higher (31.4% across Iowa); the average commute takes 17 minutes.

Population16,277Crawford16,277
Households6,331Crawford6,331
Median age37.9Crawford37.9Iowa38.6US 38.9
Median household income$67,027Crawford$67,027Iowa$75,059US $80,734
Median home value$153,700Crawford$153,700Iowa$208,000US $332,700
Median gross rent$743Crawford$743Iowa$972US $1,413
Bachelor's degree or higher17.7%Crawford17.7%Iowa31.4%US 35.7%
Mean commute17.2 minCrawford17.2 minIowa19.8 minUS 26.4 min
Population density23 / sq miCrawford23 / sq mi

U.S. Census Bureau, American Community Survey 2020–2024 5-year estimates. Survey estimates carry margins of error, wider for small places. Sources and methods.

Largest towns in Crawford County

Largest towns in Crawford County
TownZIP codesPopulation
Denison 1 8,260
Schleswig 1 831
Manilla 1 630
Charter Oak 1 580
Vail 1 527
Dow City 1 454
Deloit 1 309
Westside 1 308
Kiron 1 249
Arion 1 137
Ricketts 1 61
Aspinwall 1 45

Population of the census place of that name where there is one, otherwise of the ZIP codes the Postal Service addresses by it. A town's ZIP codes can reach past the county line.

Neighbouring counties

Counties that share a ZIP code with Crawford County.

Not sure you are in Crawford County? What county am I in? answers from your location, near a county line included.

Every ZIP code in Crawford County, with figures

ZIP codes in Crawford County
ZIP City Type Population Median income Median home
51432 Aspinwall , IA Standard 45 $61,250 $85,000
51439 Charter Oak , IA Standard 818 $52,941 $87,900
51441 Deloit , IA Standard 468 $48,750 $137,500
51442 Denison , IA Standard 9,692 $66,767 $159,400
51448 Kiron , IA Standard 612 $76,058 $176,300
51454 Manilla , IA Standard 1,254 $100,625 $167,400
51460 Ricketts , IA Standard 61 — $41,700
51461 Schleswig , IA Standard 1,097 $73,768 $183,100
51465 Vail , IA Standard 689 $72,917 $125,000
51467 Westside , IA Standard 596 $81,250 $168,500
51520 Arion , IA Standard 243 $60,843 $146,600
51528 Dow City , IA Standard 674 $63,173 $117,900

Cite this page

zipcodes.pro. “Crawford County ZIP codes.” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/state/ia/county/crawford

Underlying data is public domain or openly licensed — sources, vintages and licences.