2017 Growth Rate
0.55%
County Website
State
Founded
September 10, 1784
County Seat
Norristown
Lat/Lng
Montgomery County, Pennsylvania's estimated population is 824,562 with a growth rate of 0.55% in the past year according to the most recent United States census data. Montgomery County, Pennsylvania is the 3rd largest county in Pennsylvania.
| Year | Population | Growth | Growth Rate |
| 2018 | 828,604 | 4,042 | 0.49% |
| 2017 | 824,562 | 4,478 | 0.55% |
| 2016 | 820,084 | 2,711 | 0.33% |
| 2015 | 817,373 | 1,493 | 0.18% |
| 2014 | 815,880 | 3,215 | 0.40% |
| 2013 | 812,665 | 3,965 | 0.49% |
| 2012 | 808,700 | 3,460 | 0.43% |
| 2011 | 805,240 | 4,333 | 0.54% |
| 2010 | 800,907 | 122,796 | 18.11% |
| 1990 | 678,111 | 34,490 | 5.36% |
| 1980 | 643,621 | 19,822 | 3.18% |
| 1970 | 623,799 | 107,117 | 20.73% |
| 1960 | 516,682 | 163,614 | 46.34% |
| 1950 | 353,068 | 63,821 | 22.06% |
| 1940 | 289,247 | 23,443 | 8.82% |
| 1930 | 265,804 | 66,494 | 33.36% |
| 1920 | 199,310 | 29,720 | 17.52% |
| 1910 | 169,590 | 30,595 | 22.01% |
| 1900 | 138,995 | 15,705 | 12.74% |
| 1890 | 123,290 | 26,796 | 27.77% |
| 1880 | 96,494 | 14,882 | 18.24% |
| 1870 | 81,612 | 11,112 | 15.76% |
| 1860 | 70,500 | 12,209 | 20.94% |
| 1850 | 58,291 | 11,050 | 23.39% |
| 1840 | 47,241 | 7,835 | 19.88% |
| 1830 | 39,406 | 3,613 | 10.09% |
| 1820 | 35,793 | 6,090 | 20.50% |
| 1810 | 29,703 | 5,553 | 22.99% |
| 1800 | 24,150 | 1,221 | 5.33% |
| 1790 | 22,929 | 0.00% |
| Race | Population | Percentage |
| White | 653,904 | 79.87% |
| Black or African American | 73,771 | 9.01% |
| Asian | 60,112 | 7.34% |
| Two or More Races | 19,553 | 2.39% |
| Some Other Race | 10,302 | 1.26% |
| American Indian and Alaska Native | 838 | 0.10% |
| Native Hawaiian and Other Pacific Islander | 197 | 0.02% |
41.2
39.5
42.8
There are 639,578 adults, (136,321 of whom are seniors) in Montgomery County, Pennsylvania.
Female
420,687
51.39%
Male
397,990
48.61%
| Type | Count | Average Size | Owned |
| All | 312,805 | 2.55 | 72.2 |
| Married | 173,322 | 3.19 | 86.7 |
| Non Family | 98,288 | 1.21 | 52.1 |
| Female | 29,677 | 3.06 | 57.7 |
| Male | 11,518 | 3.04 | 62.6 |
| Education Attained | Count | Percentage |
| Less Than 9th Grade | 11,327 | 1.98% |
| 9th to 12th Grade | 22,222 | 3.88% |
| High School Graduate | 138,095 | 24.09% |
| Some College | 85,684 | 14.95% |
| Associates Degree | 39,287 | 6.85% |
| Bachelors Degree | 154,681 | 26.99% |
| Graduate Degree | 121,832 | 21.26% |
| Name | Total | High School | Bachelors |
| White | 455,685 | 435,265 | 224,031 |
| Black | 48,072 | 43,501 | 15,224 |
| Asian | 41,224 | 38,434 | 28,226 |
| Hispanic | 21,565 | 16,147 | 6,272 |
| Multiple Races | 6,980 | 6,660 | 3,020 |
| Other Race | 5,718 | 3,673 | 952 |
| Native American | 613 | 499 | 82 |
| Islander | 145 | 131 | 52 |
The highest rate of high school graduation is among white people with a rate of 95.52%.
The highest rate of bachelors degrees is among asian people with a rate of 68.47%.
$51,436
Average Earnings
$60,978
Average Male
$42,337
Average Female
86.46% of Montgomery County, Pennsylvania residents speak only English, while 13.54% speak other languages. The non-English language spoken by the largest group is Other Indo-European, which is spoken by 4.90% of the population.
| Name | Total | In Poverty | Poverty Rate |
| White | 613,496 | 29,507 | 4.81% |
| Black | 68,279 | 8,768 | 12.84% |
| Hispanic | 38,415 | 6,715 | 17.48% |
| Asian | 59,427 | 4,299 | 7.23% |
| Other | 9,772 | 2,099 | 21.48% |
| Multiple | 19,183 | 1,890 | 9.85% |
| Native | 762 | 126 | 16.54% |
6.39%
Overall Poverty Rate
5.73%
Male Poverty Rate
7.01%
Female Poverty Rate
The race most likely to be in poverty in Montgomery County, Pennsylvania is Other, with 21.48% below the poverty level.
The race least likely to be in poverty in Montgomery County, Pennsylvania is White, with 4.81% below the poverty level.
The poverty rate among those that worked full-time for the past 12 months was 1.03%. Among those working part-time, it was 8.72%, and for those that did not work, the poverty rate was 12.38%.
54.2%
Overall Marriage Rate
56.7%
Male Marriage Rate
51.9%
Female Marriage Rate
The age group where males are most likely to be married is 55-64, while the female age group most likely to be married is 35-44.
| Name | Veterans | % of Total |
| White | 36,607 | 7.03% |
| Black | 4,361 | 7.83% |
| Hispanic | 952 | 3.69% |
| Asian | 650 | 1.41% |
| 2 or More | 340 | 3.72% |
| Other | 157 | 2.28% |
| Indian | 71 | 10.46% |
| Hawaiian | 9 | 5.45% |
4.61%
Veteran Poverty Rate
27.78%
Veteran Disability Rate
68.2%
Labor Force Participation
64.6%
Employment Rate
5.2%
Unemployment Rate
Non citizens include legal permanent residents (green card holders), international students, temporary workers, humanitarian migrants, and illegal immigrants.
89.34%
Native Born
10.66%
Foreign Born
4.64%
Non Citizen
89.34% of Montgomery County, Pennsylvania residents were born in the United States, with 70.13% having been born in Pennsylvania. 4.64% of residents are not US citizens. Of those not born in the United States, the largest percentage are from Asia.
| City | 2010 Census | 2016 Estimated | Growth | Growth Rate |
| Norristown | 34324 | 34370 | 46 | 0.13% |
| Pottstown | 22375 | 22661 | 286 | 1.28% |
| Lansdale | 16269 | 16521 | 252 | 1.55% |
| Conshohocken | 7833 | 7982 | 149 | 1.90% |
| Hatboro | 7360 | 7434 | 74 | 1.01% |
| Souderton | 6618 | 6883 | 265 | 4.00% |
| Ambler | 6417 | 6500 | 83 | 1.29% |
| Collegeville | 5089 | 5254 | 165 | 3.24% |
| Telford | 4866 | 4847 | -19 | -0.39% |
| Royersford | 4752 | 4762 | 10 | 0.21% |
| Bridgeport | 4554 | 4561 | 7 | 0.15% |
| Jenkintown | 4422 | 4422 | 0 | 0.00% |
| Narberth | 4282 | 4330 | 48 | 1.12% |
| Pennsburg | 3843 | 3867 | 24 | 0.62% |
| Trappe | 3509 | 3553 | 44 | 1.25% |
| Hatfield | 3290 | 3318 | 28 | 0.85% |
| North Wales | 3229 | 3242 | 13 | 0.40% |
| East Greenville | 2951 | 2979 | 28 | 0.95% |
| Rockledge | 2543 | 2536 | -7 | -0.28% |
| Red Hill | 2383 | 2378 | -5 | -0.21% |
| Schwenksville | 1385 | 1397 | 12 | 0.87% |
| West Conshohocken | 1320 | 1390 | 70 | 5.30% |
| Bryn Athyn | 1366 | 1390 | 24 | 1.76% |
| Green Lane | 505 | 498 | -7 | -1.39% |