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Castleford, Idaho
Location of Castleford in Twin Falls County, Idaho.
Location of Castleford in Twin Falls County, Idaho.
Country United States
State Idaho
County Twin Falls
Area
 • Total 0.10 sq mi (0.25 km2)
 • Land 0.10 sq mi (0.25 km2)
 • Water 0.00 sq mi (0.00 km2)
Elevation
3,875 ft (1,181 m)
Population
 (2010)
 • Total 226
 • Density 2,604.17/sq mi (1,008.25/km2)
Time zone UTC-7 (Mountain (MST))
 • Summer (DST) UTC-6 (MDT)
ZIP code
83321
Area code(s) 208, 986
FIPS code 16-13240
GNIS feature ID 2409410

Castleford is a small city located in Twin Falls County, Idaho, in the United States. In 2010, about 226 people lived there. It is part of the larger Twin Falls, Idaho area.

Where is Castleford?

Castleford is found on the west side of Salmon Falls Creek. This creek is a natural waterway. The city covers a total area of about 0.09 square miles (0.23 square kilometers). All of this area is land.

What is the climate like?

Castleford has a semi-arid climate. This means it is usually dry. It does not get a lot of rain.

Climate data for Castleford, Idaho, 1991–2020 normals, extremes 1963–2021
Month Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Year
Record high °F (°C) 63
(17)
69
(21)
80
(27)
89
(32)
100
(38)
103
(39)
105
(41)
102
(39)
96
(36)
89
(32)
85
(29)
64
(18)
105
(41)
Mean maximum °F (°C) 51.8
(11.0)
57.2
(14.0)
69.7
(20.9)
79.0
(26.1)
86.3
(30.2)
93.3
(34.1)
97.3
(36.3)
95.3
(35.2)
90.2
(32.3)
80.5
(26.9)
64.7
(18.2)
52.0
(11.1)
97.8
(36.6)
Mean daily maximum °F (°C) 36.1
(2.3)
42.1
(5.6)
52.9
(11.6)
60.1
(15.6)
69.5
(20.8)
78.4
(25.8)
87.9
(31.1)
85.9
(29.9)
76.3
(24.6)
62.0
(16.7)
46.5
(8.1)
35.3
(1.8)
61.1
(16.2)
Daily mean °F (°C) 28.2
(−2.1)
32.6
(0.3)
40.6
(4.8)
46.5
(8.1)
55.0
(12.8)
62.8
(17.1)
70.8
(21.6)
68.9
(20.5)
60.2
(15.7)
48.4
(9.1)
36.0
(2.2)
27.2
(−2.7)
48.1
(9.0)
Mean daily minimum °F (°C) 20.3
(−6.5)
23.1
(−4.9)
28.3
(−2.1)
32.9
(0.5)
40.6
(4.8)
47.1
(8.4)
53.8
(12.1)
51.9
(11.1)
44.2
(6.8)
34.8
(1.6)
25.6
(−3.6)
19.2
(−7.1)
35.2
(1.8)
Mean minimum °F (°C) 5.8
(−14.6)
10.1
(−12.2)
18.8
(−7.3)
22.8
(−5.1)
30.3
(−0.9)
36.5
(2.5)
45.3
(7.4)
42.2
(5.7)
33.2
(0.7)
23.0
(−5.0)
11.4
(−11.4)
5.3
(−14.8)
−0.7
(−18.2)
Record low °F (°C) −23
(−31)
−14
(−26)
0
(−18)
12
(−11)
22
(−6)
30
(−1)
34
(1)
33
(1)
15
(−9)
4
(−16)
−10
(−23)
−26
(−32)
−26
(−32)
Average precipitation inches (mm) 1.22
(31)
1.05
(27)
0.96
(24)
1.21
(31)
1.43
(36)
0.75
(19)
0.24
(6.1)
0.34
(8.6)
0.50
(13)
0.78
(20)
0.94
(24)
1.30
(33)
10.72
(272.7)
Average snowfall inches (cm) 4.6
(12)
2.5
(6.4)
0.8
(2.0)
0.2
(0.51)
0.0
(0.0)
0.0
(0.0)
0.0
(0.0)
0.0
(0.0)
0.0
(0.0)
0.2
(0.51)
2.2
(5.6)
4.9
(12)
15.4
(39.02)
Average precipitation days (≥ 0.01 in) 5.7 5.7 6.5 6.0 5.8 4.5 1.7 1.5 2.2 3.6 6.3 5.7 55.2
Average snowy days (≥ 0.1 in) 2.5 1.4 0.7 0.2 0.0 0.0 0.0 0.0 0.0 0.1 1.2 2.8 8.9
Source 1: NOAA (precip days, snow/snow days 1981–2010)
Source 2: National Weather Service

Who lives in Castleford?

Historical population
Census Pop.
1960 274
1970 174 −36.5%
1980 191 9.8%
1990 179 −6.3%
2000 277 54.7%
2010 226 −18.4%
2019 (est.) 250 10.6%
U.S. Decennial Census

Population in 2010

In 2010, the census showed that 226 people lived in Castleford. There were 90 households, which are groups of people living together. About 48 of these were families.

Most people (87.6%) were White. About 35% of the people were Hispanic or Latino.

The average age of people in Castleford was 33.7 years old.

  • About 26% of residents were under 18 years old.
  • About 12% were 65 years or older.
  • The number of males and females was almost equal.

See also

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