Linn County, Iowa
As of the census of 2000, there were 191701 people, 76753 households, and 50335 families residing in the county. The population density was 267.2 people per square mile (103.17/kmē), making its Iowa's third most densely populated county. There were 80551 housing units at an average density of 112.3 per square mile (43.36/kmē). The average household size was 2.43 persons, and the average family size was 2.99 persons. Age range in the county was well distributed with 25.3% under the age of 18, 10.1% from 18 to 24, 30.3% from 25 to 44, 22.1% from 45 to 64, and 12.2% who were 65 or older. For every 100 females there were 96.1 males. For every 100 females age 18 and over, there were 93.4 males. Its population was estimated at 208574 in July 2008, The racial makeup of the county was 92.29% White, 3.7% Black or African American, 0.41% American Indian, 1.97% Asian, 0.07% Native Hawaiian, and 1.57% from two or more races.
The median income for a household in the county was $46206, making it the third highest county by median household income in Iowa. The median income for a family in the county was $56494, it would be the fourth highest county by median family income in the U.S. state of Iowa. The per capita income for the county was $22977, making it the second highest county by per capita income in Iowa.
In 2000, 51126 pupils and students, of which 25664 are male and 25462 are female, 26.67% of the total population, are in the education system. Of which, total enrollment of student are in, 4043 nursery or pri school, 2942 kindergarten, 22092 elementary school, 10502 high school and 11547 College graduate school.
| Rank | City | County | Total Area mi2 | Land Area mi2 | Water Area mi2 | Population | Density mi2 | Per capita Income | House hold Income |
|---|---|---|---|---|---|---|---|---|---|
| 1 | Walford City | Benton County, Linn County | 0.96 | 0.96 | 0 | 1224 | 1276.8 | 21370 | 67833 |
| 2 | Alburnett City | Linn County | 0.86 | 0.86 | 0 | 559 | 650.3 | 19815 | 54464 |
| 3 | Bertram City | Linn County | 1.28 | 1.28 | 0 | 681 | 533.5 | 16015 | 58750 |
| 4 | Cedar Rapids City | Linn County | 64.41 | 63.14 | 1.28 | 120758 | 1912.6 | 22589 | 43704 |
| 5 | Center Point City | Linn County | 2.41 | 2.41 | 0 | 2007 | 834.5 | 19527 | 48352 |
| 6 | Central City City | Linn County | 0.91 | 0.89 | 0.02 | 1157 | 1303.2 | 18800 | 36544 |
| 7 | Coggon City | Linn County | 0.65 | 0.63 | 0.02 | 745 | 1190.3 | 19871 | 45000 |
| 8 | Ely City | Linn County | 1.35 | 1.35 | 0 | 1149 | 848.1 | 20936 | 57250 |
| 9 | Fairfax City | Linn County | 1.36 | 1.36 | 0 | 889 | 652.7 | 19583 | 57850 |
| 10 | Hiawatha City | Linn County | 3.53 | 3.53 | 0 | 6480 | 1834.3 | 22664 | 40799 |
| 11 | Lisbon City | Linn County | 2.11 | 2.11 | 0 | 1898 | 897.8 | 18275 | 45139 |
| 12 | Marion City | Linn County | 12 | 12 | 0 | 26294 | 2192.1 | 23158 | 48591 |
| 13 | Mount Vernon City | Linn County | 3.49 | 3.48 | 0.01 | 3390 | 973 | 19027 | 51228 |
| 14 | Palo City | Linn County | 1.25 | 1.25 | 0 | 614 | 490.4 | 21429 | 53558 |
| 15 | Prairieburg City | Linn County | 0.45 | 0.45 | 0 | 175 | 384.8 | 17197 | 36750 |
| 16 | Robins City | Linn County | 3.82 | 3.82 | 0 | 1806 | 472.3 | 25078 | 74211 |
| 17 | Springville City | Linn County | 0.74 | 0.74 | 0 | 1091 | 1467.7 | 18429 | 44567 |
| 18 | Walker City | Linn County | 0.7 | 0.7 | 0 | 750 | 1066.1 | 16258 | 43438 |
| Year | Population |
|---|---|
| April 2000 census | 191701 |
| April 2000 Estimate | 191702 |
| July 2000 Estimate | 192288 |
| July 2001 Estimate | 194295 |
| July 2002 Estimate | 195893 |
| July 2003 Estimate | 196707 |
| July 2004 Estimate | 198139 |
| July 2005 Estimate | 200191 |
| July 2006 Estimate | 202488 |
| July 2007 Estimate | 205621 |
| July 2008 Estimate | 208574 |
| School | Male | Female | Total |
|---|---|---|---|
| Nursery school | 2044 | 1999 | 4043 |
| Kindergarten | 1504 | 1438 | 2942 |
| Elementary school | 11447 | 10645 | 22092 |
| High school | 5289 | 5213 | 10502 |
| College or graduate school | 5380 | 6167 | 11547 |
| Place | Median household income | Median family income | Per capita income |
|---|---|---|---|
| Linn County, Iowa | $46206 | $56494 | $22977 |
| Iowa, United States | $39469 | $48005 | $19674 |
| United States | $41994 | $50046 | $21587 |