Pueblo County area

Population and density of Pueblo County

The Census Bureau estimates that 169,277 people lived in Pueblo County on July 1, 2025. That ranks #419 of 3,222 county equivalents nationally and #10 of 64 in Colorado. Since the April 1, 2020 estimates base of 168,167, the population has grown by 1,110 (+0.7%), compared with +4.1% for Colorado as a whole.

With 2,386.6 square miles of land, that is 71 people per square mile (27 per km²), placing Pueblo County #1,249 nationally for density and #11 in Colorado. The median county equivalent has 47 people per square mile; the Colorado median is 11. Put another way, there are about 9 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 Pueblo County

3 incorporated places lie at least partly in Pueblo County. Together they are home to 110,910 people (65.5%); the other 58,367 (34.5%) live outside any incorporated place, in unincorporated communities and rural areas.

The largest is Pueblo city, with 110,404 residents in the county.

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

Metropolitan area

Pueblo County is a central county of the Pueblo, CO Metropolitan Statistical Area. Pueblo County is the area’s only county equivalent, so the metro area has the same 2,386.6 square miles of land. By combined land it ranks #137 of 393 metropolitan areas, and #266 by population. It belongs to the Pueblo-Cañon City, CO Combined Statistical Area.

ZIP codes

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

808178100181003810048100581006810078100881019810228102381025810398106981253

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 Pueblo County

Pueblo County shares a land border with 7 county equivalents. It has more land than 6 of them. The largest neighbor is Las Animas County (4,772.9 mi²) and the smallest is Custer County (738.6 mi²). Together with its neighbors, Pueblo County forms a block of 15,198.8 mi² of land, of which it holds 15.7%.

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

Pueblo County has more land than 2 of the 50 states. It is about 1.2 times the land area of Delaware (1,948.6 mi²), while Connecticut, the next larger state, has 2 times as much land (4,842.5 mi²). Colorado’s county land could hold about 43 areas the size of Pueblo County.

Another way to picture it: the same land area would fill a square about 48.9 miles (78.6 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 Pueblo County?

Pueblo County has more land than 2,991 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 Pueblo County at #248 nationally by total area, 17 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 Pueblo 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.