Denison, Iowa facts for kids
Quick facts for kids
Denison, Iowa
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City
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Downtown Denison
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Location of Denison, Iowa
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| Country | USA |
| State |  Iowa |
| County | Crawford |
| Area | |
| • Total | 6.57 sq mi (17.03 km2) |
| • Land | 6.55 sq mi (16.96 km2) |
| • Water | 0.03 sq mi (0.07 km2) |
| Elevation | 1,257 ft (383 m) |
| Population
(2020)
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| • Total | 8,373 |
| • Density | 1,278.91/sq mi (493.80/km2) |
| Time zone | UTC-6 (Central (CST)) |
| • Summer (DST) | UTC-5 (CDT) |
| ZIP code |
51442
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| Area code(s) | 712 |
| FIPS code | 19-19945 |
| GNIS feature ID | 2394514 |
Denison is a city in Crawford County, Iowa, United States, along the Boyer River, and located in both Denison Township and East Boyer Township. The population was 8,373 at the time of the 2020 census. It is the county seat of Crawford County.
Contents
History
Denison was laid out in 1856; the town was incorporated in 1875. Denison was named for its founder, J. W. Denison.
Geography
According to the United States Census Bureau, the city has a total area of 6.57 square miles (17.02 km2), of which, 6.54 square miles (16.94 km2) is land and 0.03 square miles (0.08 km2) is water.
Climate
According to the Köppen Climate Classification system, Denison has a hot-summer humid continental climate, abbreviated "Dfa" on climate maps.
| Climate data for Denison, Iowa, 1991–2020 normals, extremes 1893–present | |||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Month | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Year |
| Record high °F (°C) | 68 (20) |
70 (21) |
88 (31) |
93 (34) |
105 (41) |
109 (43) |
112 (44) |
111 (44) |
103 (39) |
92 (33) |
80 (27) |
70 (21) |
112 (44) |
| Mean maximum °F (°C) | 50.4 (10.2) |
56.4 (13.6) |
72.4 (22.4) |
83.1 (28.4) |
88.5 (31.4) |
91.9 (33.3) |
93.4 (34.1) |
92.4 (33.6) |
89.3 (31.8) |
82.9 (28.3) |
68.1 (20.1) |
53.6 (12.0) |
95.4 (35.2) |
| Mean daily maximum °F (°C) | 27.4 (−2.6) |
32.1 (0.1) |
45.3 (7.4) |
58.4 (14.7) |
69.5 (20.8) |
79.7 (26.5) |
83.1 (28.4) |
81.0 (27.2) |
74.8 (23.8) |
61.5 (16.4) |
45.5 (7.5) |
32.4 (0.2) |
57.6 (14.2) |
| Daily mean °F (°C) | 18.6 (−7.4) |
22.9 (−5.1) |
35.1 (1.7) |
47.0 (8.3) |
59.0 (15.0) |
69.4 (20.8) |
73.1 (22.8) |
70.8 (21.6) |
63.2 (17.3) |
50.4 (10.2) |
35.8 (2.1) |
24.1 (−4.4) |
47.4 (8.6) |
| Mean daily minimum °F (°C) | 9.8 (−12.3) |
13.7 (−10.2) |
24.8 (−4.0) |
35.6 (2.0) |
48.5 (9.2) |
59.2 (15.1) |
63.0 (17.2) |
60.6 (15.9) |
51.7 (10.9) |
39.3 (4.1) |
26.1 (−3.3) |
15.9 (−8.9) |
37.4 (3.0) |
| Mean minimum °F (°C) | −11.5 (−24.2) |
−6.3 (−21.3) |
4.8 (−15.1) |
21.1 (−6.1) |
35.2 (1.8) |
47.6 (8.7) |
52.7 (11.5) |
51.0 (10.6) |
36.9 (2.7) |
23.8 (−4.6) |
9.9 (−12.3) |
−4.7 (−20.4) |
−14.6 (−25.9) |
| Record low °F (°C) | −40 (−40) |
−37 (−38) |
−23 (−31) |
5 (−15) |
17 (−8) |
31 (−1) |
39 (4) |
24 (−4) |
18 (−8) |
−1 (−18) |
−16 (−27) |
−26 (−32) |
−40 (−40) |
| Average precipitation inches (mm) | 0.74 (19) |
0.98 (25) |
1.88 (48) |
3.38 (86) |
4.62 (117) |
4.92 (125) |
4.13 (105) |
4.43 (113) |
3.27 (83) |
2.64 (67) |
1.45 (37) |
1.20 (30) |
33.64 (855) |
| Average snowfall inches (cm) | 8.1 (21) |
9.2 (23) |
4.7 (12) |
1.6 (4.1) |
0.1 (0.25) |
0.0 (0.0) |
0.0 (0.0) |
0.0 (0.0) |
0.0 (0.0) |
0.5 (1.3) |
2.4 (6.1) |
7.9 (20) |
34.5 (87.75) |
| Average precipitation days (≥ 0.01 in) | 5.9 | 6.6 | 7.8 | 10.3 | 12.7 | 11.4 | 9.9 | 9.9 | 8.3 | 8.2 | 5.7 | 6.2 | 102.9 |
| Average snowy days (≥ 0.1 in) | 4.1 | 4.8 | 2.4 | 1.0 | 0.1 | 0.0 | 0.0 | 0.0 | 0.0 | 0.4 | 1.8 | 3.9 | 18.5 |
| Source 1: NOAA | |||||||||||||
| Source 2: National Weather Service | |||||||||||||
Demographics
| Historical population | ||
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| Year | Pop. | ±% |
| 1870 | 326 | — |
| 1880 | 1,441 | +342.0% |
| 1890 | 1,782 | +23.7% |
| 1900 | 2,771 | +55.5% |
| 1910 | 3,133 | +13.1% |
| 1920 | 3,581 | +14.3% |
| 1930 | 3,905 | +9.0% |
| 1940 | 4,361 | +11.7% |
| 1950 | 4,554 | +4.4% |
| 1960 | 4,930 | +8.3% |
| 1970 | 6,218 | +26.1% |
| 1980 | 6,675 | +7.3% |
| 1990 | 6,604 | −1.1% |
| 2000 | 7,339 | +11.1% |
| 2010 | 8,298 | +13.1% |
| 2020 | 8,373 | +0.9% |
| Source: Source: |
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2010 census
At the 2010 census there were 8,298 people, 2,816 households, and 1,866 families living in the city. The population density was 1,268.8 inhabitants per square mile (489.9/km2). There were 2,968 housing units at an average density of 453.8 per square mile (175.2/km2). The racial makeup of the city was 70.6% White, 2.3% African American, 0.6% Native American, 1.0% Asian, 0.2% Pacific Islander, 23.0% from other races, and 2.3% from two or more races. Hispanic or Latino of any race were 42.1%.
Of the 2,816 households 38.0% had children under the age of 18 living with them, 48.8% were married couples living together, 11.1% had a female householder with no husband present, 6.4% had a male householder with no wife present, and 33.7% were non-families. 28.1% of households were one person and 13.7% were one person aged 65 or older. The average household size was 2.75 and the average family size was 3.36.
The median age was 32.6 years. 29% of residents were under the age of 18; 11.3% were between the ages of 18 and 24; 24.5% were from 25 to 44; 21.3% were from 45 to 64; and 13.9% were 65 or older. The gender makeup of the city was 50.7% male and 49.3% female.
Arts and culture
Sites in Denison listed on the National Register of Historic Places include:
- Carey House
- Clarence D. Chamberlin House
- Crawford County Courthouse
- Park Motel
- William A. McHenry House
- Yellow Smoke Park Bridge
Education
The Denison Community School District operates area public schools.
Notable people
- Kyle Borland, NFL player
- Charles Congden Carpenter, naturalist and herpetologist
- Clarence Duncan Chamberlin, aviation pioneer
- James Perry Conner (1851–1924) five-term US Representative from 1900 to 1909
- Chuck Darling, member of 1956 Summer Olympics basketball gold medalists, First team All-American at University of Iowa
- Jim Garrison, New Orleans District Attorney who investigated Kennedy assassination conspiracy theories
- Arthur C. Greene (1881-1958), member of the Iowa House of Representatives
- James E. Hansen, head of NASA's Goddard Institute for Space Studies
- Donna Reed, Academy Award-winning actress; Donna Reed Foundation's headquarters are in Denison
- Brandon Scherff, offensive guard for the NFL's Washington Commanders and Jacksonville Jaguars
- L.M. Shaw (1848–1932) 17th Governor of Iowa and United States Secretary of the Treasury
See also
In Spanish: Denison (Iowa) para niños
