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Altona
Altona Public Library
Altona Public Library
Location of Altona in Knox County, Illinois.
Location of Altona in Knox County, Illinois.
Location of Illinois in the United States
Location of Illinois in the United States
Country United States
State Illinois
County Knox
Township Walnut Grove
Area
 • Total 0.94 sq mi (2.43 km2)
 • Land 0.94 sq mi (2.43 km2)
 • Water 0.00 sq mi (0.00 km2)
Elevation
761 ft (232 m)
Population
 (2020)
 • Total 463
 • Density 493.60/sq mi (190.50/km2)
Time zone UTC-6 (CST)
 • Summer (DST) UTC-5 (CDT)
ZIP Code(s)
61414
Area code(s) 309
FIPS code 17-01140
GNIS feature ID 2397949

Altona (formerly LaPier & Walnut Grove) is a village in Knox County, Illinois, United States. The population was 531 at the 2010 census, down from 570 in 2000. It is part of the Galesburg Micropolitan Statistical Area.

History

Altona was originally called La Pier, and under the latter name was laid out in 1834.

Geography

According to the 2010 census, Altona has a total area of 1 square mile (2.59 km2), all land.

Climate

Climate data for Altona, Illinois, 1991–2020 normals, extremes 2005–present
Month Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Year
Record high °F (°C) 62
(17)
73
(23)
82
(28)
87
(31)
96
(36)
96
(36)
102
(39)
99
(37)
97
(36)
91
(33)
76
(24)
73
(23)
102
(39)
Mean maximum °F (°C) 52.8
(11.6)
57.1
(13.9)
71.4
(21.9)
81.9
(27.7)
88.5
(31.4)
92.1
(33.4)
92.8
(33.8)
91.7
(33.2)
90.2
(32.3)
82.4
(28.0)
69.6
(20.9)
57.6
(14.2)
94.4
(34.7)
Average high °F (°C) 29.9
(−1.2)
35.3
(1.8)
48.1
(8.9)
61.5
(16.4)
72.0
(22.2)
80.5
(26.9)
83.4
(28.6)
81.9
(27.7)
76.3
(24.6)
63.9
(17.7)
48.5
(9.2)
35.4
(1.9)
59.7
(15.4)
Daily mean °F (°C) 21.4
(−5.9)
25.5
(−3.6)
37.3
(2.9)
49.2
(9.6)
60.6
(15.9)
69.7
(20.9)
72.6
(22.6)
70.6
(21.4)
64.0
(17.8)
51.9
(11.1)
38.3
(3.5)
27.1
(−2.7)
49.0
(9.5)
Average low °F (°C) 13.0
(−10.6)
15.8
(−9.0)
26.5
(−3.1)
36.9
(2.7)
49.2
(9.6)
58.9
(14.9)
61.8
(16.6)
59.3
(15.2)
51.6
(10.9)
39.8
(4.3)
28.1
(−2.2)
18.7
(−7.4)
38.3
(3.5)
Mean minimum °F (°C) −9.8
(−23.2)
−5.1
(−20.6)
6.0
(−14.4)
22.2
(−5.4)
34.9
(1.6)
48.2
(9.0)
52.7
(11.5)
51.1
(10.6)
39.3
(4.1)
25.1
(−3.8)
10.3
(−12.1)
−0.9
(−18.3)
−14.9
(−26.1)
Record low °F (°C) −32
(−36)
−24
(−31)
−12
(−24)
14
(−10)
27
(−3)
43
(6)
48
(9)
44
(7)
31
(−1)
18
(−8)
−4
(−20)
−15
(−26)
−32
(−36)
Average precipitation inches (mm) 1.82
(46)
2.07
(53)
2.58
(66)
4.00
(102)
5.21
(132)
4.72
(120)
3.98
(101)
3.76
(96)
3.81
(97)
2.77
(70)
2.56
(65)
2.10
(53)
39.38
(1,001)
Average snowfall inches (cm) 10.4
(26)
11.5
(29)
5.3
(13)
1.6
(4.1)
0.0
(0.0)
0.0
(0.0)
0.0
(0.0)
0.0
(0.0)
0.0
(0.0)
0.3
(0.76)
1.9
(4.8)
8.6
(22)
39.6
(99.66)
Average precipitation days (≥ 0.01 in) 9.1 8.6 10.3 11.6 12.2 11.1 7.6 7.0 8.3 10.2 7.4 9.2 112.6
Average snowy days (≥ 0.1 in) 6.3 5.4 3.2 0.7 0.0 0.0 0.0 0.0 0.0 0.3 1.0 4.9 21.8
Source 1: NOAA
Source 2: National Weather Service (mean maxima/minima 2006–2020)

Demographics

Historical population
Census Pop.
1870 902
1880 818 −9.3%
1890 654 −20.0%
1900 633 −3.2%
1910 528 −16.6%
1920 506 −4.2%
1930 464 −8.3%
1940 480 3.4%
1950 462 −3.7%
1960 505 9.3%
1970 542 7.3%
1980 610 12.5%
1990 559 −8.4%
2000 570 2.0%
2010 531 −6.8%
2020 463 −12.8%
U.S. Decennial Census

At the 2000 census, there were 570 people, 216 households and 160 families residing in the village. The population density was 560.8 per square mile (216.5/km2). There were 230 housing units at an average density of 226.3 per square mile (87.4/km2). The racial make-up was 99.47% White, 0.18% Asian, 0.35% from other races. Hispanic or Latino of any race were 0.88% of the population.

There were 216 households, of which 32.9% had children under the age of 18 living with them, 62.5% were married couples living together, 7.9% had a female householder with no husband present, and 25.9% were non-families. 22.7% of all households were made up of individuals, and 11.6% had someone living alone who was 65 years of age or older. The average household size was 2.64 and the average family size was 3.08.

27.0% of the population were under the age of 18, 8.8% from 18 to 24, 26.7% from 25 to 44, 24.4% from 45 to 64, and 13.2% who were 65 years of age or older. The median age was 37 years. For every 100 females, there were 96.6 males. For every 100 females age 18 and over, there were 101.0 males.

The median household income was $35,729 and the median family income was $39,318. Males had a median income of $32,813 and females $21,111. The per capita income was $15,805. About 2.9% of families and 6.2% of the population were below the poverty line, including 8.1% of those under age 18 and 4.8% of those age 65 or over.

Altona, Illinois

See also

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