The U.S. Census Bureau has released demographic data from the 2010 Decennial Census and the 2006-2010 American Community Survey. The information shows that Portage has continued population and housing growth over the recent 10-year period. Highlights of the 2010 Census data include:
- The population of Portage increased from 44,897 in 2000 to 46,262 in 2010, the third highest population gain in the county.
- The population of the city continues to diversify. In 1990, the minority population was 6% of the total population, which increased to 9.2% in 2000 and to 13.1% in 2010.
- Housing unit growth continues. Between 2000 and 2010, the total number of housing units increased by 1,679 units, second highest in the county.
- The Under 20 and Young Adult age groups remain stable in the City of Portage.
- As expected, the older cohorts (55 through 85+) have continued to increase since 1980 consistent with an aging population led by the Baby Boom generation.
- The median age continues to increase, but the rate of median age increase has slowed considerably.
- Average household size and average family size have remained relatively unchanged between 2000 and 2010.
As shown in the table below, information from the 2006-2010 American Community Survey indicates the City of Portage maintains a strong ranking in four important census categories (educational attainment, per capita income, poverty status and median home value) when compared to Kalamazoo County, State of Michigan and United States.
| Educational
Attainment
(BA or Higher) | Per Capita
Income | Family
Poverty
Status | Median Home
Value |
| City of Portage | 38.5% | $29,256 | 6.0% | $156,600 |
| Kalamazoo County | 33.4% | $25,138 | 11.2% | $145,900 |
| State of Michigan | 25.0% | $25,135 | 10.6% | $144,200 |
| United States | 27.9% | $27,334 | 10.1% | $188,400 |