Park County area

Population and density of Park County

The Census Bureau estimates that 18,314 people lived in Park County on July 1, 2025. That ranks #1,977 of 3,222 county equivalents nationally and #27 of 64 in Colorado. Since the April 1, 2020 estimates base of 17,397, the population has grown by 917 (+5.3%), compared with +4.1% for Colorado as a whole.

With 2,193.5 square miles of land, that is 8.3 people per square mile (3.2 per km²), placing Park County #2,710 nationally for density and #37 in Colorado. The median county equivalent has 47 people per square mile; the Colorado median is 11. Put another way, there are about 77 acres of land per resident.

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 Park County

2 incorporated places lie at least partly in Park County. Together they are home to 1,055 people (5.8%); the other 17,259 (94.2%) live outside any incorporated place, in unincorporated communities and rural areas.

The largest is Fairplay town, with 743 residents in the county.

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

Metropolitan area

Park County is an outlying county of the Denver-Aurora-Centennial, CO Metropolitan Statistical Area. Its 10 county equivalents have 3,092,037 residents on 8,344.7 square miles of land; Park County accounts for 26.3% of the land and 0.6% of the residents. By combined land it ranks #14 of 393 metropolitan areas, and #19 by population. It belongs to the Denver-Aurora-Greeley, CO Combined Statistical Area.

ZIP codes

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

804208042180432804408044880449804568047080475808168082080827

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 Park County

Park County shares a land border with 7 county equivalents. It has more land than every one of them. The largest neighbor is Fremont County (1,533.8 mi²) and the smallest is Lake County (376.9 mi²). Together with its neighbors, Park County forms a block of 7,442.7 mi² of land, of which it holds 29.5%.

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

Park County has more land than 2 of the 50 states. It is about 1.1 times the land area of Delaware (1,948.6 mi²), while Connecticut, the next larger state, has 2.2 times as much land (4,842.5 mi²). Colorado’s county land could hold about 47 areas the size of Park County.

Another way to picture it: the same land area would fill a square about 46.8 miles (75.4 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 Park County?

Park County has more land than 2,965 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 Park County at #282 nationally by total area, 25 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 0.8%, compared with a national county-equivalent median of 1.2% — 0.4 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 Park County in the national ranking. They can be in different states and are not necessarily geographic neighbors.

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.