Demographics
Atchison County's population was estimated to be 16,745 in the year 2006, a decrease of 16, or -0.1%, over the previous six years.
[Annual estimates of the population to 2006-07-01. Released 2007-03-22. Six year change is from 2000-07-01 to 2006-07-01.]
As of the
U.S. Census in 2000,there were 16,774 people, 6,275 households, and 4,279 families residing in the county. The
population density was 15/km² (39/mi²). There were 6,818 housing units at an average density of 6/km² (16/mi²). The
racial makeup of the county was 91.62%
White, 5.32%
Black or
African American, 0.55%
Native American, 0.34%
Asian, 0.06%
Pacific Islander, 0.51% from other races, and 1.59% from
two or more races.
Hispanic or
Latino of any race were 1.95% of the population.
There were 6,275
households out of which 32.40% had children under the age of 18 living with them, 54.30% were
married couples living together, 10.00% had a female householder with no husband present, and 31.80% were non-families. 27.60% of all households were made up of individuals and 12.80% had someone living alone who was 65 years of age or older. The average household size was 2.51 and the average family size was 3.05.
In the county the population was spread out with 26.70% under the age of 18, 11.30% from 18 to 24, 24.50% from 25 to 44, 21.40% from 45 to 64, and 16.20% who were 65 years of age or older. The median age was 36 years. For every 100 females there were 93.30 males. For every 100 females age 18 and over, there were 90.30 males.
The
median income for a household in the county was $34,355, and the median income for a family was $40,614. Males had a median income of $29,481 versus $20,485 for females. The
per capita income for the county was $15,207. About 7.90% of families and 13.30% of the population were below the
poverty line, including 13.80% of those under age 18 and 17.90% of those age 65 or over.
Townships
Atchison County is divided into eight
townships. The city of
Atchison is considered ''governmentally independent'' and is excluded from the census figures for the townships. In the following table, the population center is the largest city (or cities) included in that township's population total, if it is of a significant size.
|- style="background:#ccccff"
! Township !! FIPS !! Population
center
! Population !! Population
density
/km² (/mi²)
! Land area
km² (mi²) !! Water area
km² (mi²) !! Water %
! Geographic coordinates
|-
| Benton || 06150 || Effingham || 1,076 || 7 (18) || 156 (60) || 0 (0) || 0.25% || |-
| Center || 11550 || || 676 || 5 (13) || 139 (54) || 0 (0) || 0.15% || |-
| Grasshopper || 28225 || Muscotah || 588 || 3 (9) || 170 (66) || 1 (0) || 0.52% || |-
| Kapioma || 36100 || || 271 || 2 (6) || 123 (48) || 0 (0) || 0.05% || |-
| Lancaster || 38350 || Lancaster || 922 || 6 (15) || 156 (60) || 0 (0) || 0.28% || |-
| Mount Pleasant || 48925 || || 829 || 7 (17) || 124 (48) || 0 (0) || 0.09% || |-
| Shannon || 64275 || || 1,753 || 12 (32) || 140 (54) || 2 (1) || 1.16% || |-
| Walnut || 74800 || || 427 || 5 (12) || 94 (36) || 2 (1) || 2.34% || |-
|colspan=9|Sources: |