Delaware County, Pennsylvania's estimated 2024 population is 577,567 with a growth rate of 0.15% in the past year according to the most recent United States census data. Delaware County, Pennsylvania is the 5th largest county in Pennsylvania. The 2010 population was 559,009 and has seen a growth of 3.32% since that time.
Year | Population | Growth | Growth Rate |
|---|---|---|---|
| 2029 | 581,802 | 847 | 0.15% |
| 2028 | 580,955 | 847 | 0.15% |
| 2027 | 580,108 | 847 | 0.15% |
| 2026 | 579,261 | 847 | 0.15% |
| 2025 | 578,414 | 847 | 0.15% |
| 2024 | 577,567 | 847 | 0.15% |
| 2023 | 576,720 | 847 | 0.15% |
| 2022 | 575,873 | -1,019 | -0.18% |
| 2021 | 576,892 | 536 | 0.09% |
| 2020 | 576,356 | 9,850 | 1.74% |
| 2019 | 566,506 | 1,000 | 0.18% |
| 2018 | 565,506 | 1,491 | 0.26% |
| 2017 | 564,015 | 155 | 0.03% |
| 2016 | 563,860 | 426 | 0.08% |
| 2015 | 563,434 | 566 | 0.1% |
| 2014 | 562,868 | 1,233 | 0.22% |
| 2013 | 561,635 | 770 | 0.14% |
| 2012 | 560,865 | 1,527 | 0.27% |
| 2011 | 559,338 | 329 | 0.06% |
| 2010 | 559,009 | 0 | 0% |
| 1990 | 547,651 | -7,356 | -1.33% |
| 1980 | 555,007 | -45,028 | -7.5% |
| 1970 | 600,035 | 46,881 | 8.48% |
| 1960 | 553,154 | 138,920 | 33.54% |
| 1950 | 414,234 | 103,478 | 33.3% |
| 1940 | 310,756 | 30,492 | 10.88% |
| 1930 | 280,264 | 107,180 | 61.92% |
| 1920 | 173,084 | 55,178 | 46.8% |
| 1910 | 117,906 | 23,144 | 24.42% |
| 1900 | 94,762 | 20,079 | 26.89% |
| 1890 | 74,683 | 18,582 | 33.12% |
| 1880 | 56,101 | 16,698 | 42.38% |
| 1870 | 39,403 | 8,806 | 28.78% |
| 1860 | 30,597 | 5,918 | 23.98% |
| 1850 | 24,679 | 4,888 | 24.7% |
| 1840 | 19,791 | 2,468 | 14.25% |
| 1830 | 17,323 | 2,513 | 16.97% |
| 1820 | 14,810 | 76 | 0.52% |
| 1810 | 14,734 | 1,925 | 15.03% |
| 1800 | 12,809 | 3,326 | 35.07% |
| 1790 | 9,483 | -572,319 | -98.37% |
White
Black or African American
Asian
Two or more races
Other race
Native American
Native Hawaiian or Pacific Islander
Household Type | Count | Average Size | Owner | Renter |
|---|---|---|---|---|
| All | 215,833 | 2.56 | 68.9 | 31.1 |
| Married | 101,042 | 3.3 | 87.4 | 12.6 |
| Non Family | 73,285 | 1.17 | 50.7 | 49.3 |
| Female | 31,123 | 3.32 | 52.3 | 47.7 |
| Male | 10,383 | 3.01 | 66.7 | 33.3 |
3.21
Average Family Size
2.56
Average Household Size
68.9%
Rate of Home Ownership
Married
Male
Female
NonFamily
owner
renter
Male
Female
Less Than 9th Grade
9th to 12th Grade
High School Graduate
Some College
Associates Degree
Bachelors Degree
Graduate Degree
High School Graduation Rate
Bachelors Rate
The highest rate of high school graduation is among islander people with a rate of 100%.
The highest rate of bachelors degrees is among asian people with a rate of 56.58%.
All
Male
Female
$55,211
Average Earnings
$64,225
Average Male
$47,430
Average Female
Only English
Spanish
Other Indo-European Languages
Asian and Pacific Island Languages
Other Languages
86.99% of Delaware County, Pennsylvania residents speak only English, while 13.01% speak other languages. The non-English language spoken by the largest group is Other Indo-European, which is spoken by 4.83% of the population.
rate
9.66%
Overall Poverty Rate
8.32%
Male Poverty Rate
10.93%
Female Poverty Rate
The race most likely to be in poverty in Delaware County, Pennsylvania is Other, with 26.21% below the poverty level.
The race least likely to be in poverty in Delaware County, Pennsylvania is White, with 5.42% below the poverty level.
The poverty rate among those that worked full-time for the past 12 months was 1.71%. Among those working part-time, it was 11.3%, and for those that did not work, the poverty rate was 17.41%.
Married
Widowed
Divorced
Separated
NeverMarried
45.9%
Overall Marriage Rate
49.0%
Male Marriage Rate
43.1%
Female Marriage Rate
male
female
The age group where males are most likely to be married is 45-54, while the female age group most likely to be married is 45-54.
Married
Widowed
Divorced
Separated
NeverMarried
Less Than 9th Grade
High School Graduate
Some College
Bachelors or Greater
7.12%
Veteran Poverty Rate
27.05%
Veteran Disability Rate
LaborForceParticipation
66.3%
Labor Force Participation
61.8%
Employment Rate
6.8%
Unemployment Rate
LaborForceParticipation
LaborForceParticipation
Europe
Asia
Africa
Oceania
Latin America
North America
Non citizens include legal permanent residents (green card holders), international students, temporary workers, humanitarian migrants, and illegal immigrants.
Europe
Asia
Africa
Oceania
Latin America
North America
71.29%
Born in Delaware County, Pennsylvania
89.24%
Native Born
10.76%
Foreign Born
4.21%
Non Citizen
6.56%
Naturalized
89.24% of Delaware County, Pennsylvania residents were born in the United States, with 71.29% having been born in Pennsylvania. 4.21% of residents are not US citizens. Of those not born in the United States, the largest percentage are from Asia.