Crawford County area

Crawford County, Illinois covers 445.9 square miles: 443.6 square miles of land and 2.218 square miles of water. Its county seat is Robinson. An estimated 18,648 people lived there in 2025.

Official Census measurements · GEOID 170332026 Gazetteer · retrieved September 27, 2026
Land area443.6 mi²
Water area2.218 mi²
Population (2025)18,648
People per mi²42

County outline

Generalized outline of Crawford County, Illinois
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 99.5% of Crawford County’s measured area and water for 0.5%. Its combined area converts to 1,154.8 square kilometers or approximately 285,351 acres.

Green: land · blue: water

MeasurementSquare milesSquare kilometersAcres
Land443.6431,149.03283,931.5
Water2.2185.7451,419.5
Total445.8611,154.775285,351

How Crawford County compares

By original Census land area, Crawford County ranks #62 of 102 in Illinois and #2290 of 3,222 nationally. National rankings include the 50 states, District of Columbia, and Puerto Rico.

Its land area is 0.869 times the Illinois county-equivalent median of 510.7 square miles. It accounts for 0.8% of the combined county land area in the state.

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

Population and density of Crawford County

The Census Bureau estimates that 18,648 people lived in Crawford County on July 1, 2025. That ranks #1,959 of 3,222 county equivalents nationally and #59 of 102 in Illinois. Since the April 1, 2020 estimates base of 18,655, the population has declined by 7 (−0%), compared with −0.8% for Illinois as a whole.

With 443.6 square miles of land, that is 42 people per square mile (16 per km²), placing Crawford County #1,707 nationally for density and #56 in Illinois. The median county equivalent has 47 people per square mile; the Illinois median is 44. Put another way, there are about 15 acres of land per resident.

Estimated population, 2020–2025 · line scaled to this county’s own range
July 1202020212022202320242025
Estimate18,63118,25818,44818,42218,62118,648
Change—−373+190−26+199+27

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

6 incorporated places lie at least partly in Crawford County. Together they are home to 10,741 people (57.6%); the other 7,907 (42.4%) live outside any incorporated place, in unincorporated communities and rural areas.

The largest is Robinson city, with 7,283 residents in the county. Among places with at least 1,000 residents in 2020, Robinson city grew fastest since then (+1.9%).

Incorporated placePopulation 2025Since 2020Land mi²
Robinson cityCounty seat7,283+1.9%4.699
Oblong village1,352−1.4%1.086
Palestine village1,210−1.8%0.789
Hutsonville village469−1.5%0.622
Flat Rock village322−1.2%0.856
Stoy village105−0.9%0.932

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

11 ZIP Code Tabulation Areas have land in Crawford County; 7 of them have most of their land inside the county, and the others mainly cover neighboring areas.

6241362421624276243362442624496245162454624646246662478

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, including 2 in Indiana. It has more land than 2 of them. The largest neighbor is Knox County (515.8 mi²) and the smallest is Richland County (360 mi²). Together with its neighbors, Crawford County forms a block of 3,134.9 mi² of land, of which it holds 14.2%.

Map of Crawford County and the 6 county equivalents that border it Jasper County, Illinois: 494.6 mi² landLawrence County, Illinois: 372.2 mi² landSullivan County, Indiana: 447.2 mi² landClark County, Illinois: 501.4 mi² landKnox County, Indiana: 515.8 mi² landRichland County, Illinois: 360 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
Knox CountyIndiana515.81.2× largerCompare
Clark County501.41.1× largerCompare
Jasper County494.61.1× largerCompare
Sullivan CountyIndiana447.2about the sameCompare
Lawrence County372.21.2× smallerCompare
Richland County3601.2× 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 2.3 times as much. Illinois’s county land could hold about 125 areas the size of Crawford County.

Land area: Crawford County and the closest-sized states
Crawford County443.6 mi²
Rhode Island1,033.9 mi²

Another way to picture it: the same land area would fill a square about 21.1 miles (33.9 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 932 of the other 3,221 county equivalents in the dataset.

Land area compared with the typical county equivalent
Crawford County443.6 mi²
Illinois median510.7 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 #2,359 nationally by total area, 69 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 0.5%, compared with a national county-equivalent median of 1.2% — 0.7 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
#2289Lake County, Illinois443.7Compare
#2290Crawford County, Illinois443.6This county
#2291Marshall County, Indiana443.6Compare

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 39.002724, -87.762536. 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: 1,149,031,274 m²; AWATER: 5,744,816 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, Illinois has 443.6 square miles (1,149 km²) of land and 2.218 square miles of water, for a total area of 445.9 square miles. It ranks #2290 of 3,222 U.S. county equivalents by land area.

Is Crawford County the largest county in Illinois?

No. Crawford County ranks #62 of 102 in Illinois by land area. The largest is McLean County, with 1,183.2 square miles of land.

What counties border Crawford County?

Crawford County shares a land border with Jasper County, Lawrence County, Sullivan County, Indiana, Clark County, Knox County, Indiana, and Richland County.

What is the population of Crawford County?

The Census Bureau estimates Crawford County had 18,648 residents on July 1, 2025, ranking #1,959 of 3,222 county equivalents. That is 42 people per square mile of land.

What is the county seat of Crawford County?

The county seat of Crawford County is Robinson.

What cities and towns are in Crawford County?

Crawford County has 6 incorporated places. The most populous five are Robinson city, Oblong village, Palestine village, Hutsonville village, and Flat Rock village; 7,907 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?

11 ZIP Code Tabulation Areas have land in Crawford County, and 7 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 2.3 times as much land.

How many acres of land are in Crawford County?

The land measurement converts to approximately 283,932 acres. Including water, total area is approximately 285,351 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

Download the complete CSV or JSON dataset