Delaware
County in Pennsylvania
County
The population development of Delaware.
| Name | Status | Population Census 1990-04-01 | Population Census 2000-04-01 | Population Census 2010-04-01 | Population Census 2020-04-01 | Population Estimate 2024-07-01 | |
|---|---|---|---|---|---|---|---|
| Delaware | County | 547,651 | 550,864 | 558,979 | 576,970 | 584,882 | → |
| Pennsylvania | State | 11,881,643 | 12,281,054 | 12,702,379 | 13,002,909 | 13,078,751 |
Contents: Incorporated Places
The population development of the incorporated places in Delaware.
icon links to further information about a selected place including its population structure (gender, age groups, age distribution, urbanization, »race«, ethnicity).| Name | Status | County | Population Census 1990-04-01 | Population Census 2000-04-01 | Population Census 2010-04-01 | Population Census 2020-04-01 | Population Estimate 2024-07-01 | |
|---|---|---|---|---|---|---|---|---|
| Aldan | Borough | Delaware | 4,545 | 4,355 | 4,147 | 4,258 | 4,277 | → |
| Brookhaven | Borough | Delaware | 8,579 | 7,995 | 8,012 | 8,301 | 8,407 | → |
| Chester | City | Delaware | 42,072 | 37,019 | 33,889 | 32,724 | 34,052 | → |
| Chester Heights | Borough | Delaware | 2,323 | 2,517 | 2,504 | 2,909 | 3,087 | → |
| Clifton Heights | Borough | Delaware | 7,241 | 6,771 | 6,648 | 6,852 | 6,880 | → |
| Collingdale | Borough | Delaware | 9,265 | 8,724 | 8,777 | 8,904 | 8,956 | → |
| Colwyn | Borough | Delaware | 2,629 | 2,429 | 2,550 | 2,473 | 2,483 | → |
| Darby | Borough | Delaware | 10,951 | 10,324 | 10,700 | 10,711 | 10,749 | → |
| East Lansdowne | Borough | Delaware | 2,691 | 2,581 | 2,668 | 2,713 | 2,724 | → |
| Eddystone | Borough | Delaware | 2,395 | 2,449 | 2,410 | 2,457 | 2,465 | → |
| Folcroft | Borough | Delaware | 7,534 | 6,940 | 6,631 | 6,798 | 6,827 | → |
| Glenolden | Borough | Delaware | 7,309 | 7,472 | 7,090 | 7,231 | 7,266 | → |
| Lansdowne | Borough | Delaware | 11,656 | 11,045 | 10,620 | 11,097 | 11,225 | → |
| Marcus Hook | Borough | Delaware | 2,500 | 2,314 | 2,397 | 2,457 | 2,467 | → |
| Media | Borough | Delaware | 5,863 | 5,514 | 5,434 | 5,885 | 5,938 | → |
| Millbourne | Borough | Delaware | 826 | 944 | 1,159 | 1,212 | 1,217 | → |
| Morton | Borough | Delaware | 2,725 | 2,743 | 2,654 | 2,771 | 2,788 | → |
| Norwood | Borough | Delaware | 6,166 | 5,986 | 5,951 | 5,942 | 5,969 | → |
| Parkside | Borough | Delaware | 2,344 | 2,272 | 2,326 | 2,326 | 2,335 | → |
| Prospect Park | Borough | Delaware | 6,697 | 6,594 | 6,454 | 6,427 | 6,452 | → |
| Ridley Park | Borough | Delaware | 7,645 | 7,114 | 7,019 | 7,268 | 7,310 | → |
| Rose Valley | Borough | Delaware | 994 | 942 | 917 | 1,016 | 1,020 | → |
| Rutledge | Borough | Delaware | 845 | 860 | 784 | 786 | 788 | → |
| Sharon Hill | Borough | Delaware | 5,747 | 5,482 | 5,672 | 6,015 | 6,039 | → |
| Swarthmore | Borough | Delaware | 6,144 | 6,176 | 6,190 | 6,534 | 6,596 | → |
| Trainer | Borough | Delaware | 2,059 | 1,849 | 1,815 | 1,980 | 1,984 | → |
| Upland | Borough | Delaware | 3,352 | 2,962 | 3,337 | 3,062 | 3,076 | → |
| Yeadon | Borough | Delaware | 11,976 | 11,728 | 11,434 | 12,047 | 12,405 | → |
Source: U.S. Census Bureau.
Explanation: Latest available rebased population figures are used. In case of significant changes, they were recalculated by using census block data.