Pope County area

Pope County, Illinois covers 374.5 square miles: 368.9 square miles of land and 5.661 square miles of water. Its county seat is Golconda. An estimated 3,672 people lived there in 2025.

Official Census measurements · GEOID 171512026 Gazetteer · retrieved September 27, 2026
Land area368.9 mi²
Water area5.661 mi²
Population (2025)3,672
People per mi²10

County outline

Generalized outline of Pope 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 Pope County is located

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

Area breakdown

Land accounts for 98.5% of Pope County’s measured area and water for 1.5%. Its combined area converts to 970 square kilometers or approximately 239,698 acres.

Green: land · blue: water

MeasurementSquare milesSquare kilometersAcres
Land368.867955.361236,074.9
Water5.66114.6623,623
Total374.528970.023239,697.9

How Pope County compares

By original Census land area, Pope County ranks #82 of 102 in Illinois and #2633 of 3,222 nationally. National rankings include the 50 states, District of Columbia, and Puerto Rico.

Its land area is 0.722 times the Illinois county-equivalent median of 510.7 square miles. It accounts for 0.7% of the combined county land area in the state.

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

Population and density of Pope County

The Census Bureau estimates that 3,672 people lived in Pope County on July 1, 2025. That ranks #2,987 of 3,222 county equivalents nationally and #101 of 102 in Illinois. Since the April 1, 2020 estimates base of 3,766, the population has declined by 94 (−2.5%), compared with −0.8% for Illinois as a whole.

With 368.9 square miles of land, that is 10 people per square mile (3.8 per km²), placing Pope County #2,647 nationally for density and #102 in Illinois. The median county equivalent has 47 people per square mile; the Illinois median is 44. Put another way, there are about 64 acres of land per resident.

Estimated population, 2020–2025 · line scaled to this county’s own range
July 1202020212022202320242025
Estimate3,7553,7593,7543,7103,7173,672
Change—+4−5−44+7−45

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 Pope County

2 incorporated places lie at least partly in Pope County. Together they are home to 714 people (19.4%); the other 2,958 (80.6%) live outside any incorporated place, in unincorporated communities and rural areas.

The largest is Golconda city, with 618 residents in the county.

Incorporated placePopulation 2025Since 2020Land mi²
Golconda cityCounty seat618−3%0.51
Eddyville village96−2%0.281

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

Metropolitan area

Pope 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

10 ZIP Code Tabulation Areas have land in Pope County; 4 of them have most of their land inside the county, and the others mainly cover neighboring areas.

62910629286293862943629466294762960629726298562987

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 Pope County

Pope County shares a land border with 5 county equivalents, including 1 in Kentucky. It has more land than 4 of them. The largest neighbor is Saline County (380 mi²) and the smallest is Hardin County (177.4 mi²). Together with its neighbors, Pope County forms a block of 1,820.1 mi² of land, of which it holds 20.3%.

Map of Pope County and the 5 county equivalents that border it Livingston County, Kentucky: 313 mi² landMassac County, Illinois: 237.2 mi² landJohnson County, Illinois: 343.7 mi² landSaline County, Illinois: 380 mi² landHardin County, Illinois: 177.4 mi² land
Pope 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. PopeCompare
Saline County380about the sameCompare
Johnson County343.71.1× smallerCompare
Livingston CountyKentucky3131.2× smallerCompare
Massac County237.21.6× smallerCompare
Hardin County177.42.1× smallerCompare

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

Pope County has less land than any of the 50 states. Rhode Island, the smallest state by land area, has 1,033.9 mi², about 2.8 times as much. Illinois’s county land could hold about 150 areas the size of Pope County.

Land area: Pope County and the closest-sized states
Pope County368.9 mi²
Rhode Island1,033.9 mi²

Another way to picture it: the same land area would fill a square about 19.2 miles (30.9 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 Pope County?

Pope County has more land than 589 of the other 3,221 county equivalents in the dataset.

Land area compared with the typical county equivalent
Pope County368.9 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 Pope County at #2,677 nationally by total area, 44 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 1.5%, compared with a national county-equivalent median of 1.2% — 0.3 percentage points higher. 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 Pope County in the national ranking. They can be in different states and are not necessarily geographic neighbors.

Land rankCounty equivalentLand mi²Comparison
#2632Jersey County, Illinois369.6Compare
#2633Pope County, Illinois368.9This county
#2634Jasper County, Georgia368.4Compare

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 37.417169, -88.542374. 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: 955,362,031 m²; AWATER: 14,662,239 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 Pope County?

Pope County, Illinois has 368.9 square miles (955.4 km²) of land and 5.661 square miles of water, for a total area of 374.5 square miles. It ranks #2633 of 3,222 U.S. county equivalents by land area.

Is Pope County the largest county in Illinois?

No. Pope County ranks #82 of 102 in Illinois by land area. The largest is McLean County, with 1,183.2 square miles of land.

What counties border Pope County?

Pope County shares a land border with Livingston County, Kentucky, Massac County, Johnson County, Saline County, and Hardin County.

What is the population of Pope County?

The Census Bureau estimates Pope County had 3,672 residents on July 1, 2025, ranking #2,987 of 3,222 county equivalents. That is 10 people per square mile of land.

What is the county seat of Pope County?

The county seat of Pope County is Golconda.

What cities and towns are in Pope County?

Pope County has 2 incorporated places. The most populous are Golconda city and Eddyville village; 2,958 residents live outside any incorporated place.

Is Pope County part of a metropolitan area?

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

How many ZIP codes are in Pope County?

10 ZIP Code Tabulation Areas have land in Pope County, and 4 of them have most of their land inside the county. Census ZIP Code Tabulation Areas approximate USPS ZIP Code areas.

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

It has less land than every state. Rhode Island, the smallest, has 2.8 times as much land.

How many acres of land are in Pope County?

The land measurement converts to approximately 236,075 acres. Including water, total area is approximately 239,698 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