County outline
Where Crawford County is located
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
| Measurement | Square miles | Square kilometers | Acres |
|---|---|---|---|
| Land | 714.198 | 1,849.764 | 457,086.7 |
| Water | 0.839 | 2.173 | 537 |
| Total | 715.037 | 1,851.937 | 457,623.7 |
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.
| July 1 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
|---|---|---|---|---|---|---|
| Estimate | 16,487 | 16,239 | 16,143 | 16,130 | 16,289 | 16,237 |
| 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 place | Population 2025 | Since 2020 | Land mi² |
|---|---|---|---|
| Denison cityCounty seat | 8,214 | −2% | 6.54 |
| Schleswig city | 817 | −1.9% | 1.239 |
| Manilla city | 748 | −3.1% | 1.063 |
| Charter Oak city | 513 | −3.2% | 0.513 |
| Dow City city | 471 | −2.9% | 0.334 |
| Vail city | 380 | −3.1% | 0.57 |
| Westside city | 280 | −2.8% | 1.471 |
| Kiron city | 263 | −2.6% | 0.202 |
| Deloit city | 241 | −2.8% | 0.408 |
| Ricketts city | 110 | −1.8% | 0.248 |
| Arion city | 98 | 0% | 0.496 |
| Aspinwall city | 34 | −2.9% | 0.176 |
| Buck Grove city | 29 | −3.3% | 0.369 |
| Dunlap cityAlso in 1 other county | 0 | — | 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%.
| Bordering county equivalent | Land mi² | Size vs. Crawford | Compare |
|---|---|---|---|
| Harrison County | 696.9 | about the same | Compare |
| Monona County | 694.1 | about the same | Compare |
| Shelby County | 590.8 | 1.2× smaller | Compare |
| Sac County | 575 | 1.2× smaller | Compare |
| Carroll County | 569.5 | 1.3× smaller | Compare |
| Ida County | 431.5 | 1.7× smaller | Compare |
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.
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.
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 rank | County equivalent | Land mi² | Comparison |
|---|---|---|---|
| #1276 | Madison County, Mississippi | 714.2 | Compare |
| #1277 | Crawford County, Iowa | 714.2 | This county |
| #1278 | Anderson County, South Carolina | 713.9 | Compare |
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.
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.