Crawford County area

Crawford County, Iowa covers 715 square miles: 714.2 square miles of land and 0.839 square miles of water. Its county seat is Denison. An estimated 16,237 people lived there in 2025.

Official Census measurements · GEOID 190472026 Gazetteer · retrieved September 27, 2026
Land area714.2 mi²
Water area0.839 mi²
Population (2025)16,237
People per mi²23

County outline

Generalized outline of Crawford County, Iowa
2025 Census cartographic boundary, fitted to this frame. County maps are not at a common scale. The 2026 area measurements below come from the separate Gazetteer release. Map source and limitations.

Where Crawford County is located

Crawford County highlighted on a map of all U.S. county equivalents. About the maps

Area breakdown

Land accounts for 99.9% of Crawford County’s measured area and water for 0.1%. Its combined area converts to 1,851.9 square kilometers or approximately 457,624 acres.

Green: land · blue: water

MeasurementSquare milesSquare kilometersAcres
Land714.1981,849.764457,086.7
Water0.8392.173537
Total715.0371,851.937457,623.7

How Crawford County compares

By original Census land area, Crawford County ranks #13 of 99 in Iowa and #1277 of 3,222 nationally. National rankings include the 50 states, District of Columbia, and Puerto Rico.

Its land area is 1.254 times the Iowa county-equivalent median of 569.6 square miles. It accounts for 1.3% of the combined county land area in the state.

See the complete Iowa ranking · What counts as a county equivalent?

Population and density of Crawford County

The Census Bureau estimates that 16,237 people lived in Crawford County on July 1, 2025. That ranks #2,087 of 3,222 county equivalents nationally and #46 of 99 in Iowa. Since the April 1, 2020 estimates base of 16,524, the population has declined by 287 (−1.7%), compared with +1.5% for Iowa as a whole.

With 714.2 square miles of land, that is 23 people per square mile (8.8 per km²), placing Crawford County #2,215 nationally for density and #62 in Iowa. The median county equivalent has 47 people per square mile; the Iowa median is 26. Put another way, there are about 28 acres of land per resident.

Estimated population, 2020–2025 · line scaled to this county’s own range
July 1202020212022202320242025
Estimate16,48716,23916,14316,13016,28916,237
Change—−248−96−13+159−52

U.S. Census Bureau, Vintage 2025 population estimates. Estimates are revised each year and are not decennial census counts. Density divides the whole population by the whole county’s land area, so it describes an average, not how settlement is distributed within the county. Population sources and methods.

Cities and towns in Crawford County

14 incorporated places lie at least partly in Crawford County. Together they are home to 12,198 people (75.1%); the other 4,039 (24.9%) live outside any incorporated place, in unincorporated communities and rural areas.

The largest is Denison city, with 8,214 residents in the county.

Incorporated placePopulation 2025Since 2020Land mi²
Denison cityCounty seat8,214−2%6.54
Schleswig city817−1.9%1.239
Manilla city748−3.1%1.063
Charter Oak city513−3.2%0.513
Dow City city471−2.9%0.334
Vail city380−3.1%0.57
Westside city280−2.8%1.471
Kiron city263−2.6%0.202
Deloit city241−2.8%0.408
Ricketts city110−1.8%0.248
Arion city980%0.496
Aspinwall city34−2.9%0.176
Buck Grove city29−3.3%0.369
Dunlap cityAlso in 1 other county0—1.248

Population: U.S. Census Bureau Vintage 2025 subcounty estimates, counting only the part of each place inside Crawford County. Land: 2026 Census Gazetteer, for the whole place even where it extends into other counties. How communities are listed.

Metropolitan area

Crawford County is not part of any metropolitan or micropolitan statistical area in the Office of Management and Budget’s July 2023 delineation; 1,306 other county equivalents are also outside one. These areas are built around an urban core of at least 10,000 people plus the counties tied to it by commuting, so counties outside them are generally rural.

ZIP codes

21 ZIP Code Tabulation Areas have land in Crawford County; 12 of them have most of their land inside the county, and the others mainly cover neighboring areas.

510065101951034510605143251436514395144151442514485145451455514605146151465514665146751520515275152851529

ZIP Code Tabulation Areas are the Census Bureau’s approximations of USPS ZIP Code service areas, from the 2020 Census relationship files. Lighter codes have less than half of their land in this county. Post-office-box and single-address ZIP Codes have no tabulation area.

Counties bordering Crawford County

Crawford County shares a land border with 6 county equivalents. It has more land than every one of them. The largest neighbor is Harrison County (696.9 mi²) and the smallest is Ida County (431.5 mi²). Together with its neighbors, Crawford County forms a block of 4,271.9 mi² of land, of which it holds 16.7%.

Map of Crawford County and the 6 county equivalents that border it Carroll County, Iowa: 569.5 mi² landMonona County, Iowa: 694.1 mi² landShelby County, Iowa: 590.8 mi² landIda County, Iowa: 431.5 mi² landSac County, Iowa: 575 mi² landHarrison County, Iowa: 696.9 mi² land
Crawford County (dark) and its bordering county equivalents. Select a neighbor to open its profile. Drawn from the 2025 Census cartographic boundaries in an equal-area projection. How borders are determined.
Bordering county equivalentLand mi²Size vs. CrawfordCompare
Harrison County696.9about the sameCompare
Monona County694.1about the sameCompare
Shelby County590.81.2× smallerCompare
Sac County5751.2× smallerCompare
Carroll County569.51.3× smallerCompare
Ida County431.51.7× smallerCompare

How big is Crawford County compared with U.S. states?

Crawford County has less land than any of the 50 states. Rhode Island, the smallest state by land area, has 1,033.9 mi², about 1.4 times as much. Iowa’s county land could hold about 78 areas the size of Crawford County.

Land area: Crawford County and the closest-sized states
Crawford County714.2 mi²
Rhode Island1,033.9 mi²

Another way to picture it: the same land area would fill a square about 26.7 miles (43 km) on each side. Real county shapes are rarely square, so this is a scale reference rather than a width or driving distance.

State figures are the sums of each state’s county-equivalent land measurements in the same Census release, so states and counties are compared on the same basis. Published state totals can differ slightly because of rounding. Compare all states · Counties bigger than entire states.

What stands out about Crawford County?

Crawford County has more land than 1,945 of the other 3,221 county equivalents in the dataset.

Land area compared with the typical county equivalent
Crawford County714.2 mi²
Iowa median569.6 mi²
National median604.5 mi²

A median is the middle county-equivalent measurement, not the average of the largest and smallest. All three bars use the same linear scale. Very small areas may appear as a thin sliver; the labels retain their values.

Does including water change its rank?

Using land plus water places Crawford County at #1,399 nationally by total area, 122 places farther from the top than its land rank. Other county equivalents gain more area when their water measurements are included.

Its water share is 0.1%, compared with a national county-equivalent median of 1.2% — 1.1 percentage points lower. This describes the statistical geography’s land/water mix, not flood exposure or developable land.

Closest positions in the national land ranking

These entries sit immediately beside Crawford County in the national ranking. They can be in different states and are not necessarily geographic neighbors.

Land rankCounty equivalentLand mi²Comparison
#1276Madison County, Mississippi714.2Compare
#1277Crawford County, Iowa714.2This county
#1278Anderson County, South Carolina713.9Compare

Calculated from the same Census release as the area table. Total-area order uses original ALAND + AWATER; water shares and chart labels use published square miles. Calculation details.

Representative coordinates

The Census internal point is 42.043119, -95.389090. It represents a location inside the geography; it is not necessarily the centroid or the address of a courthouse.

Source and precision

U.S. Census Bureau, 2026 Gazetteer Files, Counties. Original ALAND: 1,849,765,426 m²; AWATER: 2,171,714 m². Rankings use ALAND; exact ties use ascending GEOID. Tables preserve Census-published square miles to three decimals, with conversions based on those values.

Download the official county source ZIP ↗ · Methodology

Common questions

How big is Crawford County?

Crawford County, Iowa has 714.2 square miles (1,849.8 km²) of land and 0.839 square miles of water, for a total area of 715 square miles. It ranks #1277 of 3,222 U.S. county equivalents by land area.

Is Crawford County the largest county in Iowa?

No. Crawford County ranks #13 of 99 in Iowa by land area. The largest is Kossuth County, with 972.7 square miles of land.

What counties border Crawford County?

Crawford County shares a land border with Carroll County, Monona County, Shelby County, Ida County, Sac County, and Harrison County.

What is the population of Crawford County?

The Census Bureau estimates Crawford County had 16,237 residents on July 1, 2025, ranking #2,087 of 3,222 county equivalents. That is 23 people per square mile of land.

What is the county seat of Crawford County?

The county seat of Crawford County is Denison.

What cities and towns are in Crawford County?

Crawford County has 14 incorporated places. The most populous five are Denison city, Schleswig city, Manilla city, Charter Oak city, and Dow City city; 4,039 residents live outside any incorporated place.

Is Crawford County part of a metropolitan area?

No. Crawford County is outside every metropolitan and micropolitan statistical area in the July 2023 OMB delineation.

How many ZIP codes are in Crawford County?

21 ZIP Code Tabulation Areas have land in Crawford County, and 12 of them have most of their land inside the county. Census ZIP Code Tabulation Areas approximate USPS ZIP Code areas.

How does Crawford County compare with U.S. states?

It has less land than every state. Rhode Island, the smallest, has 1.4 times as much land.

How many acres of land are in Crawford County?

The land measurement converts to approximately 457,087 acres. Including water, total area is approximately 457,624 acres. One square mile equals 640 acres.

Why might another source show a different area?

Check whether it reports land or total area, its Census vintage, and its rounding. Our guide explains how to reconcile county area figures.

Can this establish a property boundary?

No. Statistical measurements and generalized maps do not establish property lines. Consult the relevant local surveying or land-records authority.

Cite this county

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