County outline
Where Howard County is located
Area breakdown
Land accounts for 99.9% of Howard County’s measured area and water for 0.1%. Its combined area converts to 1,226.6 square kilometers or approximately 303,108 acres.
Green: land · blue: water
| Measurement | Square miles | Square kilometers | Acres |
|---|---|---|---|
| Land | 473.247 | 1,225.704 | 302,878.1 |
| Water | 0.36 | 0.932 | 230.4 |
| Total | 473.607 | 1,226.636 | 303,108.5 |
How Howard County compares
By original Census land area, Howard County ranks #75 of 99 in Iowa and #2180 of 3,222 nationally. National rankings include the 50 states, District of Columbia, and Puerto Rico.
Its land area is 0.831 times the Iowa county-equivalent median of 569.6 square miles. It accounts for 0.8% of the combined county land area in the state.
See the complete Iowa ranking · What counts as a county equivalent?
Population and density of Howard County
The Census Bureau estimates that 9,415 people lived in Howard County on July 1, 2025. That ranks #2,527 of 3,222 county equivalents nationally and #78 of 99 in Iowa. Since the April 1, 2020 estimates base of 9,470, the population has declined by 55 (−0.6%), compared with +1.5% for Iowa as a whole.
With 473.2 square miles of land, that is 20 people per square mile (7.7 per km²), placing Howard County #2,331 nationally for density and #72 in Iowa. The median county equivalent has 47 people per square mile; the Iowa median is 26. Put another way, there are about 32 acres of land per resident.
| July 1 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
|---|---|---|---|---|---|---|
| Estimate | 9,494 | 9,508 | 9,502 | 9,400 | 9,437 | 9,415 |
| Change | — | +14 | −6 | −102 | +37 | −22 |
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 Howard County
6 incorporated places lie at least partly in Howard County. Together they are home to 5,599 people (59.5%); the other 3,816 (40.5%) live outside any incorporated place, in unincorporated communities and rural areas.
The largest is Cresco city, with 3,925 residents in the county.
| Incorporated place | Population 2025 | Since 2020 | Land mi² |
|---|---|---|---|
| Cresco cityCounty seat | 3,925 | +0.8% | 3.34 |
| Elma city | 492 | −2.8% | 1.227 |
| Lime Springs city | 471 | −1.3% | 1.015 |
| Riceville cityAlso in 1 other county | 323 | 0% | 1.059 |
| Protivin cityAlso in 1 other county | 254 | −1.2% | 0.442 |
| Chester city | 134 | −2.2% | 1.383 |
Population: U.S. Census Bureau Vintage 2025 subcounty estimates, counting only the part of each place inside Howard County. Land: 2026 Census Gazetteer, for the whole place even where it extends into other counties. How communities are listed.
Metropolitan area
Howard 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
9 ZIP Code Tabulation Areas have land in Howard County; 6 of them have most of their land inside the county, and the others mainly cover neighboring areas.
504665060350628521325213452136521545215552163
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 Howard County
Howard County shares a land border with 5 county equivalents, including 2 in Minnesota. It has more land than 1 of them. The largest neighbor is Fillmore County (861.3 mi²) and the smallest is Mitchell County (469.3 mi²). Together with its neighbors, Howard County forms a block of 3,709.3 mi² of land, of which it holds 12.8%.
| Bordering county equivalent | Land mi² | Size vs. Howard | Compare |
|---|---|---|---|
| Fillmore CountyMinnesota | 861.3 | 1.8× larger | Compare |
| Mower CountyMinnesota | 711.3 | 1.5× larger | Compare |
| Winneshiek County | 689.8 | 1.5× larger | Compare |
| Chickasaw County | 504.3 | 1.1× larger | Compare |
| Mitchell County | 469.3 | about the same | Compare |
How big is Howard County compared with U.S. states?
Howard County has less land than any of the 50 states. Rhode Island, the smallest state by land area, has 1,033.9 mi², about 2.2 times as much. Iowa’s county land could hold about 118 areas the size of Howard County.
Another way to picture it: the same land area would fill a square about 21.8 miles (35 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 Howard County?
Howard County has more land than 1,042 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 Howard County at #2,267 nationally by total area, 87 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 Howard County in the national ranking. They can be in different states and are not necessarily geographic neighbors.
| Land rank | County equivalent | Land mi² | Comparison |
|---|---|---|---|
| #2179 | Russell County, Virginia | 473.5 | Compare |
| #2180 | Howard County, Iowa | 473.2 | This county |
| #2181 | Hernando County, Florida | 473 | 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 43.365312, -92.321908. 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: 1,225,702,831 m²; AWATER: 931,480 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 Howard County?
Howard County, Iowa has 473.2 square miles (1,225.7 km²) of land and 0.36 square miles of water, for a total area of 473.6 square miles. It ranks #2180 of 3,222 U.S. county equivalents by land area.
Is Howard County the largest county in Iowa?
No. Howard County ranks #75 of 99 in Iowa by land area. The largest is Kossuth County, with 972.7 square miles of land.
What counties border Howard County?
Howard County shares a land border with Chickasaw County, Mitchell County, Winneshiek County, Fillmore County, Minnesota, and Mower County, Minnesota.
What is the population of Howard County?
The Census Bureau estimates Howard County had 9,415 residents on July 1, 2025, ranking #2,527 of 3,222 county equivalents. That is 20 people per square mile of land.
What is the county seat of Howard County?
The county seat of Howard County is Cresco.
What cities and towns are in Howard County?
Howard County has 6 incorporated places. The most populous five are Cresco city, Elma city, Lime Springs city, Riceville city, and Protivin city; 3,816 residents live outside any incorporated place.
Is Howard County part of a metropolitan area?
No. Howard County is outside every metropolitan and micropolitan statistical area in the July 2023 OMB delineation.
How many ZIP codes are in Howard County?
9 ZIP Code Tabulation Areas have land in Howard County, and 6 of them have most of their land inside the county. Census ZIP Code Tabulation Areas approximate USPS ZIP Code areas.
How does Howard County compare with U.S. states?
It has less land than every state. Rhode Island, the smallest, has 2.2 times as much land.
How many acres of land are in Howard County?
The land measurement converts to approximately 302,878 acres. Including water, total area is approximately 303,108 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.