Converse County area

Converse County, Wyoming covers 4,265.1 square miles: 4,255 square miles of land and 10.1 square miles of water. Its county seat is Douglas. An estimated 13,824 people lived there in 2025.

Official Census measurements · GEOID 560092026 Gazetteer · retrieved September 27, 2026
Land area4,255 mi²
Water area10.1 mi²
Population (2025)13,824
People per mi²3.2

County outline

Generalized outline of Converse County, Wyoming
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 Converse County is located

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

Area breakdown

Land accounts for 99.8% of Converse County’s measured area and water for 0.2%. Its combined area converts to 11,046.5 square kilometers or approximately 2,729,638 acres.

Green: land · blue: water

MeasurementSquare milesSquare kilometersAcres
Land4,254.99411,020.3842,723,196.2
Water10.06626.0716,442.2
Total4,265.0611,046.4552,729,638.4

How Converse County compares

By original Census land area, Converse County ranks #9 of 23 in Wyoming and #109 of 3,222 nationally. National rankings include the 50 states, District of Columbia, and Puerto Rico.

Its land area is 1.065 times the Wyoming county-equivalent median of 3,996.8 square miles. It accounts for 4.4% of the combined county land area in the state.

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

Population and density of Converse County

The Census Bureau estimates that 13,824 people lived in Converse County on July 1, 2025. That ranks #2,243 of 3,222 county equivalents nationally and #13 of 23 in Wyoming. Since the April 1, 2020 estimates base of 13,753, the population has grown by 71 (+0.5%), compared with +2.1% for Wyoming as a whole.

With 4,255 square miles of land, that is 3.2 people per square mile (1.3 per km²), placing Converse County #2,961 nationally for density and #16 in Wyoming. The median county equivalent has 47 people per square mile; the Wyoming median is 4.1. Put another way, there are about 197 acres of land per resident.

Estimated population, 2020–2025 · line scaled to this county’s own range
July 1202020212022202320242025
Estimate13,74813,67113,77313,87313,79013,824
Change—−77+102+100−83+34

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 Converse County

4 incorporated places lie at least partly in Converse County. Together they are home to 9,318 people (67.4%); the other 4,506 (32.6%) live outside any incorporated place, in unincorporated communities and rural areas.

The largest is Douglas city, with 6,469 residents in the county. Among places with at least 1,000 residents in 2020, Douglas city grew fastest since then (+1.3%).

Incorporated placePopulation 2025Since 2020Land mi²
Douglas cityCounty seat6,469+1.3%6.598
Glenrock town2,418−0.2%2.441
Rolling Hills town428−0.5%0.845
Lost Springs town30%0.09

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

Metropolitan area

Converse 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

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

8222482229826338263682637

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 Converse County

Converse County shares a land border with 8 county equivalents. It has more land than 4 of them. The largest neighbor is Carbon County (7,897.7 mi²) and the smallest is Platte County (2,081.5 mi²). Together with its neighbors, Converse County forms a block of 37,829.2 mi² of land, of which it holds 11.2%.

Map of Converse County and the 8 county equivalents that border it Natrona County, Wyoming: 5,340.5 mi² landNiobrara County, Wyoming: 2,626 mi² landAlbany County, Wyoming: 4,274.2 mi² landCampbell County, Wyoming: 4,802.1 mi² landPlatte County, Wyoming: 2,081.5 mi² landWeston County, Wyoming: 2,398 mi² landJohnson County, Wyoming: 4,154.2 mi² landCarbon County, Wyoming: 7,897.7 mi² land
Converse 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. ConverseCompare
Carbon County7,897.71.9× largerCompare
Natrona County5,340.51.3× largerCompare
Campbell County4,802.11.1× largerCompare
Albany County4,274.2about the sameCompare
Johnson County4,154.2about the sameCompare
Niobrara County2,6261.6× smallerCompare
Weston County2,3981.8× smallerCompare
Platte County2,081.52× smallerCompare

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

Converse County has more land than 2 of the 50 states. It is about 2.2 times the land area of Delaware (1,948.6 mi²), while Connecticut, the next larger state, has 1.1 times as much land (4,842.5 mi²). Wyoming’s county land could hold about 23 areas the size of Converse County.

Land area: Converse County and the closest-sized states
Delaware1,948.6 mi²
Converse County4,255 mi²
Connecticut4,842.5 mi²

Another way to picture it: the same land area would fill a square about 65.2 miles (105 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 Converse County?

Converse County has more land than 3,113 of the other 3,221 county equivalents in the dataset.

Land area compared with the typical county equivalent
Converse County4,255 mi²
Wyoming median3,996.8 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 Converse County at #118 nationally by total area, 9 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 0.2%, compared with a national county-equivalent median of 1.2% — 0.9 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 Converse County in the national ranking. They can be in different states and are not necessarily geographic neighbors.

Land rankCounty equivalentLand mi²Comparison
#108Albany County, Wyoming4,274.2Compare
#109Converse County, Wyoming4,255This county
#110Blaine County, Montana4,227.5Compare

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 42.984624, -105.524753. 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: 11,020,383,678 m²; AWATER: 26,070,602 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 Converse County?

Converse County, Wyoming has 4,255 square miles (11,020.4 km²) of land and 10.1 square miles of water, for a total area of 4,265.1 square miles. It ranks #109 of 3,222 U.S. county equivalents by land area.

Is Converse County the largest county in Wyoming?

No. Converse County ranks #9 of 23 in Wyoming by land area. The largest is Sweetwater County, with 10,427 square miles of land.

What counties border Converse County?

Converse County shares a land border with Natrona County, Niobrara County, Albany County, Campbell County, Platte County, Weston County, Johnson County, and Carbon County.

What is the population of Converse County?

The Census Bureau estimates Converse County had 13,824 residents on July 1, 2025, ranking #2,243 of 3,222 county equivalents. That is 3.2 people per square mile of land.

What is the county seat of Converse County?

The county seat of Converse County is Douglas.

What cities and towns are in Converse County?

Converse County has 4 incorporated places. The most populous are Douglas city, Glenrock town, Rolling Hills town, and Lost Springs town; 4,506 residents live outside any incorporated place.

Is Converse County part of a metropolitan area?

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

How many ZIP codes are in Converse County?

5 ZIP Code Tabulation Areas have land in Converse 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 Converse County compare with U.S. states?

It has more land than 2 of the 50 states, including Delaware (1,948.6 square miles of land).

How many acres of land are in Converse County?

The land measurement converts to approximately 2,723,196 acres. Including water, total area is approximately 2,729,638 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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