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East Rockhill Township, Pennsylvania

Coordinates: 40°26′18″N 75°16′16″W / 40.43833°N 75.27111°W / 40.43833; -75.27111
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East Rockhill Township
East Rockhill Quarry
Location of East Rockhill Township in Bucks County
Location of East Rockhill Township in Bucks County
East Rockhill Township is located in Pennsylvania
East Rockhill Township
East Rockhill Township
Location in Pennsylvania and the United States
East Rockhill Township is located in the United States
East Rockhill Township
East Rockhill Township
East Rockhill Township (the United States)
Coordinates: 40°26′18″N 75°16′16″W / 40.43833°N 75.27111°W / 40.43833; -75.27111
CountryUnited States
StatePennsylvania
CountyBucks
Area
 • Total13.09 sq mi (33.9 km2)
 • Land12.91 sq mi (33.4 km2)
 • Water0.18 sq mi (0.5 km2)
Elevation
446 ft (136 m)
Population
 (2010)
 • Total5,706
 • Estimate 
(2016)[2]
5,730
 • Density440/sq mi (170/km2)
Time zoneUTC-5 (EST)
 • Summer (DST)UTC-4 (EDT)
Area codes215, 267 and 445
FIPS code42-017-21760

East Rockhill Township is a township in Bucks County, Pennsylvania, United States. The original Rockhill Township was established in 1740 and was divided into East and West Rockhill Townships in 1890. The population was 5,706 at the 2010 Census. East Rockhill is part of Pennridge School District. Pennridge Airport is located in East Rockhill Township.

History

The Levi Sheard Mill and Sheard's Mill Covered Bridge are listed on the National Register of Historic Places.[3] It was also the location of the formerly listed Mood's Covered Bridge.

Geography

According to the United States Census Bureau, the township has a total area of 13.1 square miles (34 km2), of which 12.9 square miles (33 km2) is land and 0.2 square miles (0.52 km2) (1.14%) is water. Tohickon Creek flows along the northern edge of the township into Lake Nockamixon at its northeastern edge and eastward into the Delaware River and drains most of East Rockhill. The southeastern side of the township is drained by the East Branch Perkiomen Creek into the Perkiomen Creek and Schuylkill River.

East Rockhill's villages include Hagersville, Rich Hill, Rockhill, Rockhill Station, Rock Ridge, Smoketown (also in West Rockhill), Sterners Mill, Weisel, and White Horse.[4]

Natural features include the East Branch Perkiomen Creek, Rock Hill, Three Mile Run, and Tohickon Creek.[4]

Adjacent municipalities

Demographics

Historical population
CensusPop.Note
19301,520
19401,350−11.2%
19501,62620.4%
19601,99022.4%
19702,86644.0%
19802,9713.7%
19903,75326.3%
20005,19938.5%
20105,7069.8%
20205,8192.0%
[5][6]

As of the 2010 census, the township was 95.8% White, 0.7% Black or African American, 0.2% Native American, 0.6% Asian, and 1.2% were two or more races. 1.6% of the population were of Hispanic or Latino ancestry.[7]

As of the census[8] of 2000, there were 5,199 people, 1,828 households, and 1,427 families residing in the township. The population density was 401.5 people per square mile (155.0/km2). There were 1,883 housing units at an average density of 145.4/sq mi (56.1/km2). The racial makeup of the township was 97.19% White, 0.81% African American, 0.40% Native American, 0.38% Asian, 0.06% Pacific Islander, 0.19% from other races, and 0.96% from two or more races. Hispanic or Latino of any race were 1.25% of the population.

There were 1,828 households, out of which 40.4% had children under the age of 18 living with them, 68.6% were married couples living together, 5.8% had a female householder with no husband present, and 21.9% were non-families. 17.1% of all households were made up of individuals, and 5.4% had someone living alone who was 65 years of age or older. The average household size was 2.82 and the average family size was 3.21.

In the township the population was spread out, with 28.8% under the age of 18, 6.3% from 18 to 24, 32.5% from 25 to 44, 23.6% from 45 to 64, and 8.9% who were 65 years of age or older. The median age was 36 years. For every 100 females there were 102.1 males. For every 100 females age 18 and over, there were 101.0 males.

The median income for a household in the township was $59,663, and the median income for a family was $70,645. Males had a median income of $43,134 versus $30,473 for females. The per capita income for the township was $24,594. About 2.0% of families and 4.9% of the population were below the poverty line, including 3.0% of those under age 18 and 7.6% of those age 65 or over.

Climate

According to the Köppen climate classification system, East Rockhill Twp has a Hot-summer, Humid continental climate (Dfa). Dfa climates are characterized by at least one month having an average mean temperature ≤ 32.0 °F (0.0 °C), at least four months with an average mean temperature ≥ 50.0 °F (10.0 °C), at least one month with an average mean temperature ≥ 71.6 °F (22.0 °C) and no significant precipitation difference between seasons. Although most summer days are slightly humid in East Rockhill Twp, episodes of heat and high humidity can occur with heat index values > 104 °F (40 °C). Since 1981, the highest air temperature was 101.5 °F (38.6 °C) on July 22, 2011, and the highest daily average mean dew point was 74.3 °F (23.5 °C) on August 12, 2016. The average wettest month is July, which corresponds with the annual peak in thunderstorm activity. Since 1981, the wettest calendar day was 6.73 inches (171 mm) on August 27, 2011. During the winter months, the average annual extreme minimum air temperature is −2.8 °F (−19.3 °C).[9] Since 1981, the coldest air temperature was −13.7 °F (−25.4 °C), on January 22, 1984. Episodes of extreme cold and wind can occur with wind chill values < −14 °F (−26 °C). The average annual snowfall (Nov-Apr) is between 30 inches (76 cm) and 36 inches (91 cm). Ice storms and large snowstorms depositing ≥ 12 inches (30 cm) of snow occur once every few years, particularly during nor’easters from December through February.

Climate data for East Rockhill Twp, Elevation 469 ft (143 m), 1981-2010 normals, extremes 1981-2018
Month Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Year
Record high °F (°C) 69.9
(21.1)
77.5
(25.3)
86.1
(30.1)
92.6
(33.7)
93.9
(34.4)
94.6
(34.8)
101.5
(38.6)
98.6
(37.0)
96.4
(35.8)
88.4
(31.3)
79.6
(26.4)
74.1
(23.4)
101.5
(38.6)
Mean daily maximum °F (°C) 37.8
(3.2)
41.2
(5.1)
49.7
(9.8)
61.9
(16.6)
71.9
(22.2)
80.4
(26.9)
84.4
(29.1)
82.8
(28.2)
76.0
(24.4)
64.5
(18.1)
53.4
(11.9)
41.9
(5.5)
62.3
(16.8)
Daily mean °F (°C) 29.2
(−1.6)
31.9
(−0.1)
39.6
(4.2)
50.5
(10.3)
60.3
(15.7)
69.3
(20.7)
73.7
(23.2)
72.1
(22.3)
64.8
(18.2)
53.2
(11.8)
43.5
(6.4)
33.6
(0.9)
51.9
(11.1)
Mean daily minimum °F (°C) 20.5
(−6.4)
22.6
(−5.2)
29.5
(−1.4)
39.1
(3.9)
48.7
(9.3)
58.2
(14.6)
63.1
(17.3)
61.5
(16.4)
53.5
(11.9)
41.9
(5.5)
33.5
(0.8)
25.2
(−3.8)
41.5
(5.3)
Record low °F (°C) −13.7
(−25.4)
−6.1
(−21.2)
1.7
(−16.8)
15.9
(−8.9)
30.9
(−0.6)
39.7
(4.3)
46.0
(7.8)
40.8
(4.9)
33.7
(0.9)
22.7
(−5.2)
10.2
(−12.1)
−3.2
(−19.6)
−13.7
(−25.4)
Average precipitation inches (mm) 3.50
(89)
2.85
(72)
3.81
(97)
4.12
(105)
4.33
(110)
4.38
(111)
4.80
(122)
3.90
(99)
4.54
(115)
4.34
(110)
3.76
(96)
4.05
(103)
48.38
(1,229)
Average relative humidity (%) 68.4 65.4 60.9 59.5 63.6 69.5 69.7 72.3 72.9 71.7 70.4 70.7 67.9
Average dew point °F (°C) 20.1
(−6.6)
21.6
(−5.8)
27.2
(−2.7)
36.9
(2.7)
47.9
(8.8)
58.9
(14.9)
63.2
(17.3)
62.7
(17.1)
55.9
(13.3)
44.3
(6.8)
34.5
(1.4)
25.1
(−3.8)
41.6
(5.3)
Source: PRISM[10]

Ecology

According to the A. W. Kuchler U.S. potential natural vegetation types, East Rockhill Twp would have a dominant vegetation type of Appalachian Oak (104) with a dominant vegetation form of Eastern Hardwood Forest (25).[11] The plant hardiness zone is 6b with an average annual extreme minimum air temperature of −2.8 °F (−19.3 °C).[9] The spring bloom typically begins by April 14 and fall color usually peaks by October 26.

See also

References

  1. ^ "2016 U.S. Gazetteer Files". United States Census Bureau. Retrieved Aug 13, 2017.
  2. ^ "Population and Housing Unit Estimates". Retrieved June 9, 2017.
  3. ^ "National Register Information System". National Register of Historic Places. National Park Service. July 9, 2010.
  4. ^ a b MacReynolds, George, Place Names in Bucks County, Pennsylvania, Doylestown, Bucks County Historical Society, Doylestown, PA, 1942, P1.
  5. ^ "DVRPC > Site Search". Archived from the original on 2019-04-09. Retrieved 2017-01-31.
  6. ^ "Census 2020".
  7. ^ "Census 2010: Pennsylvania". Usatoday.Com. Retrieved 2013-07-22.
  8. ^ "U.S. Census website". United States Census Bureau. Retrieved 2008-01-31.
  9. ^ a b "USDA Interactive Plant Hardiness Map". United States Department of Agriculture. Retrieved October 22, 2019.
  10. ^ "PRISM Climate Group, Oregon State University". Retrieved October 22, 2019.
  11. ^ "U.S. Potential Natural Vegetation, Original Kuchler Types, v2.0 (Spatially Adjusted to Correct Geometric Distortions)". Retrieved October 22, 2019.