Polk Township, Monroe County, Pennsylvania

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Polk Township
House in Kresgeville
House in Kresgeville
Location of Pennsylvania in the United States
Location of Pennsylvania in the United States
Coordinates: 40°55′00″N 75°30′04″W / 40.91667°N 75.50111°W / 40.91667; -75.50111Coordinates: 40°55′00″N 75°30′04″W / 40.91667°N 75.50111°W / 40.91667; -75.50111
Country United States
StatePennsylvania
CountyMonroe
Established1845
Area
 • Total31.18 sq mi (80.76 km2)
 • Land30.80 sq mi (79.76 km2)
 • Water0.39 sq mi (1.00 km2)
Elevation
902 ft (275 m)
Population
 (2020)
 • Total7,473
 • Density240/sq mi (93/km2)
Time zoneUTC-5 (EST)
 • Summer (DST)UTC-4 (EDT)
Area code570
FIPS code42-089-61928

Polk Township is a township in Monroe County, Pennsylvania, United States. The population was 7,473 at the 2020 census.[2]

Geography[edit]

According to the United States Census Bureau, the township has a total area of 31.4 square miles (81.4 km2), of which 31.0 square miles (80.4 km2) is land and 0.4 square mile (1.1 km2) (1.30%) is water. It is drained by the Pohopoco Creek, which flows westward into the Lehigh River. Pohopoco Mountain forms its natural northern boundary. Its villages include Dottersville, Gilbert (also in Chestnuthill Township), Jonas, and Kresgeville.

Neighboring municipalities[edit]

Demographics[edit]

Historical population
Census Pop.
1930876
1940874−0.2%
1950712−18.5%
19601,07050.3%
19701,28420.0%
19803,265154.3%
19904,51738.3%
20006,53344.6%
20107,87420.5%
20207,473−5.1%

As of the census[3] of 2000, there were 6,533 people, 2,301 households, and 1,808 families residing in the township. The population density was 210.5 people per square mile (81.3/km2). There were 2,824 housing units at an average density of 91.0/sq mi (35.1/km2). The racial makeup of the township was 96.37% White, 1.84% African American, 0.20% Native American, 0.57% Asian, 0.32% from other races, and 0.70% from two or more races. Hispanic or Latino of any race were 3.37% of the population.

There were 2,301 households, out of which 37.8% had children under the age of 18 living with them, 66.2% were married couples living together, 7.8% had a female householder with no husband present, and 21.4% were non-families. 16.8% of all households were made up of individuals, and 7.6% had someone living alone who was 65 years of age or older. The average household size was 2.81 and the average family size was 3.16.

In the township the population was spread out, with 27.5% under the age of 18, 6.4% from 18 to 24, 29.2% from 25 to 44, 22.8% from 45 to 64, and 14.0% who were 65 years of age or older. The median age was 38 years. For every 100 females, there were 96.8 males. For every 100 females age 18 and over, there were 96.5 males.

The median income for a household in the township was $45,016, and the median income for a family was $46,250. Males had a median income of $36,467 versus $25,017 for females. The per capita income for the township was $20,090. About 5.3% of families and 6.9% of the population were below the poverty line, including 6.3% of those under age 18 and 7.7% of those age 65 or over.

Climate[edit]

According to the Trewartha climate classification system, Polk Township has a Temperate Continental climate (Dc) with warm summers (b), cold winters (o) and year-around precipitation (Dcbo). Dcbo climates are characterized by at least one month having an average mean temperature ≤ 32.0 °F (0 °C), four to seven months with an average mean temperature ≥ 50.0 °F (10 °C), all months with an average mean temperature < 72.0 °F (22 °C) and no significant precipitation difference between seasons. Although most summer days are slightly humid in Polk Township, episodes of heat and high humidity can occur, with heat index values > 99 °F (37 °C). Since 1981, the highest air temperature was 96.7 °F (36 °C) on July 22, 2011, and the highest daily average mean dew point was 72.2 °F (22 °C) on August 1, 2006. July is the peak month for thunderstorm activity, which correlates with the average warmest month of the year. The average wettest month is September, which correlates with tropical storm remnants during the peak of the Atlantic hurricane season. Since 1981, the wettest calendar day was 5.87 inches (149 mm) on September 30, 2010. During the winter months, the plant hardiness zone is 6a, with an average annual extreme minimum air temperature of −8.0 °F (−22 °C).[4] Since 1981, the coldest air temperature was −20.7 °F (−29 °C) on January 21, 1994. Episodes of extreme cold and wind can occur with wind chill values < −20 °F (−29 °C). The average snowiest month is January, which correlates with the average coldest month of the year. Ice storms and large snowstorms depositing ≥ 12 inches (30 cm) of snow occur once every couple of years, particularly during nor’easters from December through March.

Climate data for Polk Twp, Elevation 928 ft (283 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) 66.4
(19.1)
76.1
(24.5)
84.4
(29.1)
90.8
(32.7)
92.9
(33.8)
92.8
(33.8)
99.0
(37.2)
96.6
(35.9)
94.0
(34.4)
86.7
(30.4)
77.2
(25.1)
69.7
(20.9)
99.0
(37.2)
Average high °F (°C) 34.8
(1.6)
38.1
(3.4)
46.6
(8.1)
59.1
(15.1)
70.1
(21.2)
78.0
(25.6)
82.3
(27.9)
80.6
(27.0)
73.8
(23.2)
62.0
(16.7)
50.5
(10.3)
38.9
(3.8)
59.7
(15.4)
Daily mean °F (°C) 26.0
(−3.3)
28.6
(−1.9)
36.3
(2.4)
47.5
(8.6)
58.0
(14.4)
66.5
(19.2)
70.9
(21.6)
69.3
(20.7)
62.2
(16.8)
50.5
(10.3)
40.9
(4.9)
30.5
(−0.8)
49.0
(9.4)
Average low °F (°C) 17.3
(−8.2)
19.0
(−7.2)
26.0
(−3.3)
35.8
(2.1)
46.0
(7.8)
55.0
(12.8)
59.5
(15.3)
57.9
(14.4)
50.6
(10.3)
38.9
(3.8)
31.3
(−0.4)
22.2
(−5.4)
38.4
(3.6)
Record low °F (°C) −20.7
(−29.3)
−9.6
(−23.1)
−1.8
(−18.8)
13.1
(−10.5)
28.3
(−2.1)
34.8
(1.6)
40.8
(4.9)
36.5
(2.5)
29.7
(−1.3)
18.2
(−7.7)
3.7
(−15.7)
−8.3
(−22.4)
−20.7
(−29.3)
Average precipitation inches (mm) 3.51
(89)
3.00
(76)
3.85
(98)
4.13
(105)
4.29
(109)
4.87
(124)
4.72
(120)
4.18
(106)
5.05
(128)
4.62
(117)
3.97
(101)
4.17
(106)
50.36
(1,279)
Average snowfall inches (cm) 14.1
(36)
10.1
(26)
10.5
(27)
2.5
(6.4)
0.0
(0.0)
0.0
(0.0)
0.0
(0.0)
0.0
(0.0)
0.0
(0.0)
0.1
(0.25)
2.7
(6.9)
8.5
(22)
48.6
(123)
Average relative humidity (%) 71.3 66.9 62.2 59.5 63.1 71.2 70.9 74.1 74.5 71.4 70.9 72.8 69.1
Average dew point °F (°C) 18.0
(−7.8)
19.0
(−7.2)
24.6
(−4.1)
34.1
(1.2)
45.5
(7.5)
56.9
(13.8)
61.0
(16.1)
60.7
(15.9)
54.0
(12.2)
41.6
(5.3)
32.2
(0.1)
22.8
(−5.1)
39.3
(4.1)
Source: PRISM[5]

Ecology[edit]

According to the A. W. Kuchler U.S. potential natural vegetation types, Polk Township would have a dominant vegetation type of Appalachian Oak (104) with a dominant vegetation form of Eastern Hardwood Forest (25).[6] The peak spring bloom typically occurs in late-April and peak fall color usually occurs in mid-October. The plant hardiness zone is 6a with an average annual extreme minimum air temperature of −8.0 °F (−22 °C).[4]

References[edit]

  1. ^ "2016 U.S. Gazetteer Files". United States Census Bureau. Retrieved Aug 14, 2017.
  2. ^ "Explore Census Data". data.census.gov. Retrieved 2022-07-25.
  3. ^ "U.S. Census website". United States Census Bureau. Retrieved 2008-01-31.
  4. ^ a b "USDA Interactive Plant Hardiness Map". United States Department of Agriculture. Retrieved September 5, 2019.
  5. ^ "PRISM Climate Group, Oregon State University". Retrieved September 5, 2019.
  6. ^ "U.S. Potential Natural Vegetation, Original Kuchler Types, v2.0 (Spatially Adjusted to Correct Geometric Distortions)". Retrieved September 3, 2019.