Rockford City, Michigan
As of the census of 2000, there were 4626 people, 1741 households, and 1255 families residing in the city. The population density was 1544.2 people per square mile (596.22/kmē), it is the 212th most populated city in terms of population density. There were 1796 housing units at an average density of 598.7 per square mile (231.16/kmē). The average household size was 2.65 and the average family size was 3.21. In the city the population is diverse age-wise, with 33.9% under the age of 18, 7.1% from 18 to 24, 33% from 25 to 44, 17.1% from 45 to 64, and 9% who were 65 or older. For every 100 females there were 92.6 males. For every 100 females age 18 and over, there were 80.9 males. The median age is 31.5 years, The median age of males and females living in Rockford City was 29 and 33.6 years respectively. The racial or ethnic makeup of the city was 4450 White, 28 Black or African American, 18 American Indian, 42 Asian, 1 Native Hawaiian, 58 from two or more races and 29 Ohter races.
The median income for a household in the city was $50562, making it the 96th highest city by median household income in Michigan. The median income for a family in the city was $55954, it is the 138th highest city by median family income in the U.S. state of Michigan. The per capita income for the city was $19906, it is the 223rd wealthiest city in terms of per capita income. The median income was $28101, Males had a median income of $41044 versus $19303 for females.
In 2000, 1434 pupils and students, of which 48.88% are male and 51.12% are female, 31% of the total population, are in the education system. Of which, percentage of enrollment student are in, 9.27% nursery or pri school, 9.41% kindergarten, 48.61% elementary school, 19.32% high school and 13.39% College graduate school.
| Year | Population |
|---|---|
| April 2000 census | 4626 |
| April 2000 Estimate | 4632 |
| July 2000 Estimate | 4654 |
| July 2001 Estimate | 4717 |
| July 2002 Estimate | 4773 |
| July 2003 Estimate | 4844 |
| July 2004 Estimate | 4942 |
| July 2005 Estimate | 5053 |
| July 2006 Estimate | 5171 |
| July 2007 Estimate | 5315 |
| July 2008 Estimate | 5411 |
| School | Male | Female | Total |
|---|---|---|---|
| Nursery school | 84 | 49 | 133 |
| Kindergarten | 89 | 46 | 135 |
| Elementary school | 356 | 341 | 697 |
| High school | 146 | 131 | 277 |
| College or graduate school | 26 | 166 | 192 |
| Place | Median household income | Median family income | Per capita income |
|---|---|---|---|
| Rockford city, Michigan | $50562 | $55954 | $19906 |
| Kent County, Michigan | $45980 | $54770 | $21629 |
| Michigan, United States | $44667 | $53457 | $22168 |
| United States | $41994 | $50046 | $21587 |