Delaware

County in Pennsylvania

Contents: Subdivision

The population development in Delaware as well as related information and services (Wikipedia, Google, images).

The Details icon links to further information about a selected division including its population structure (gender, age groups, age distribution, urbanization, »race«, ethnicity).

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
Aldan	Borough	4,545	4,355	4,147	4,258	4,277	→
Aston	Township	15,155	16,077	16,616	16,810	16,838	→
Bethel	Township	3,296	6,490	8,790	9,593	9,791	→
Brookhaven	Borough	8,579	7,995	8,012	8,301	8,407	→
Chadds Ford	Township	3,111	3,162	3,640	3,972	4,001	→
Chester	City	42,072	37,019	33,889	32,724	34,052	→
Chester	Township	5,371	4,657	3,932	4,070	4,080	→
Chester Heights	Borough	2,323	2,517	2,504	2,909	3,087	→
Clifton Heights	Borough	7,241	6,771	6,648	6,852	6,880	→
Collingdale	Borough	9,265	8,724	8,777	8,904	8,956	→
Colwyn	Borough	2,629	2,429	2,550	2,473	2,483	→
Concord	Township	7,215	11,283	17,259	18,290	18,450	→
Darby	Borough	10,951	10,324	10,700	10,711	10,749	→
Darby	Township	10,979	9,623	9,264	9,219	9,261	→
East Lansdowne	Borough	2,691	2,581	2,668	2,713	2,724	→
Eddystone	Borough	2,395	2,449	2,410	2,457	2,465	→
Edgmont	Township	2,730	3,920	3,980	4,280	4,712	→
Folcroft	Borough	7,534	6,940	6,631	6,798	6,827	→
Glenolden	Borough	7,309	7,472	7,090	7,231	7,266	→
Haverford	Township	49,968	49,361	48,534	50,571	51,291	→
Lansdowne	Borough	11,656	11,045	10,620	11,097	11,225	→
Lower Chichester	Township	3,716	3,593	3,476	3,406	3,419	→
Marcus Hook	Borough	2,500	2,314	2,397	2,457	2,467	→
Marple	Township	23,169	23,743	23,421	24,222	24,423	→
Media	Borough	5,863	5,514	5,434	5,885	5,938	→
Middletown	Township	14,138	16,042	15,807	16,353	17,317	→
Millbourne	Borough	826	944	1,159	1,212	1,217	→
Morton	Borough	2,725	2,743	2,654	2,771	2,788	→
Nether Providence	Township	13,213	13,400	13,702	14,413	14,559	→
Newtown	Township	11,364	11,753	12,216	15,000	15,494	→
Norwood	Borough	6,166	5,986	5,951	5,942	5,969	→
Parkside	Borough	2,344	2,272	2,326	2,326	2,335	→
Prospect Park	Borough	6,697	6,594	6,454	6,427	6,452	→
Radnor	Township	28,599	30,773	31,554	33,227	34,130	→
Ridley	Township	31,302	31,079	30,868	30,975	31,139	→
Ridley Park	Borough	7,645	7,114	7,019	7,268	7,310	→
Rose Valley	Borough	994	942	917	1,016	1,020	→
Rutledge	Borough	845	860	784	786	788	→
Sharon Hill	Borough	5,747	5,482	5,672	6,015	6,039	→
Springfield	Township	24,206	23,662	24,132	25,076	25,206	→
Swarthmore	Borough	6,144	6,176	6,190	6,534	6,596	→
Thornbury	Township	4,812	5,759	7,787	6,899	6,993	→
Tinicum	Township	4,440	4,355	4,091	3,984	4,011	→
Trainer	Borough	2,059	1,849	1,815	1,980	1,984	→
Upland	Borough	3,352	2,962	3,337	3,062	3,076	→
Upper Chichester	Township	14,932	16,792	16,699	16,896	17,003	→
Upper Darby	Township	81,040	81,586	82,793	85,683	86,045	→
Upper Providence	Township	9,829	10,511	10,026	10,875	10,937	→
Yeadon	Borough	11,976	11,728	11,434	12,047	12,405	→
Pennsylvania	State	11,881,643	12,281,054	12,702,379	13,002,909	13,078,751

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.

Further information about the population structure:

Gender (C 2020)
Males	276,949
Females	299,881

Age Groups (C 2020)
0-17 years	127,040
18-64 years	349,926
65+ years	99,864

Age Distribution (C 2020)
80+ years	24,835
70-79 years	41,746
60-69 years	73,621
50-59 years	76,835
40-49 years	67,379
30-39 years	74,582
20-29 years	71,952
10-19 years	78,435
0-9 years	67,445

Urbanization (C 2020)
Rural	4,527
Urban	572,303

»Race« (C 2020)
White	367,718
Black/African American	129,242
Indigenous	1,092
Asian	36,457
Pacific Islander	153
Some other	12,149
2 or more	30,019

Ethnicity (C 2020)
Hispanic or Latino	26,772
Other	550,058