Hialeah, Florida's estimated population is 238,942 according to the most recent United States census estimates. Hialeah, Florida is the 6th largest city in Florida based on official 2017 estimates from the US Census Bureau.
The population density is 11125.93 people/mi² (4295.73 people/km²).
The overall median age is 44.2 years, 42.7 years for males, and 45.5 years for females. For every 100 females there are 90.6 males.
Based on data from the American Community Survey, in 2017 there were 74,681 households in the city, with an average size of 3.28 people per household. The homeowner vacancy rate was 0.8%, with a median rent of $1066/month. The median house has 4.4 rooms, and has a value of $174,300.
The median income for households in Hialeah, Florida is $31,012, while the mean household income is $42,188.
According to the most recent ACS, the racial composition of Hialeah was:
| Year | Population | Growth | Annual Growth Rate |
| 2018 | 238,942 | -77 | -0.03% |
| 2017 | 239,019 | 2,133 | 0.90% |
| 2016 | 236,886 | 547 | 0.23% |
| 2015 | 236,339 | 1,194 | 0.51% |
| 2014 | 235,145 | 529 | 0.23% |
| 2013 | 234,616 | 1,886 | 0.81% |
| 2012 | 232,730 | 2,334 | 1.01% |
| 2011 | 230,396 | 4,936 | 2.19% |
| 2010 | 225,460 | -959 | -0.04% |
| 2000 | 226,419 | 38,415 | 1.88% |
| 1990 | 188,004 | 42,750 | 2.61% |
| 1980 | 145,254 | 42,802 | 3.55% |
| 1970 | 102,452 | 35,480 | 4.34% |
| 1960 | 66,972 | 47,296 | 13.03% |
| 1950 | 19,676 | 15,718 | 17.39% |
| 1940 | 3,958 | 1,358 | 4.29% |
| 1930 | 2,600 | 0.00% |
| Race | Population |
| White | 221,822 |
| Some Other Race | 7,375 |
| Black or African American | 5,759 |
| Two or More Races | 1,616 |
| Asian | 826 |
| American Indian and Alaska Native | 69 |
| Native Hawaiian and Other Pacific Islander | 56 |
| Type | Count | Average Size | Owned |
| All | 71,719 | 3.28 | 45.5 |
| Married | 32,006 | 3.88 | 53.6 |
| Non Family | 19,284 | 1.27 | 37.4 |
| Female | 14,467 | 4.15 | 37.7 |
| Male | 5,962 | 4.47 | 46.8 |
| Education Attained | Count | Percentage |
| Less Than 9th Grade | 32,141 | 18.13% |
| 9th to 12th Grade | 19,897 | 11.22% |
| High School Graduate | 65,055 | 36.69% |
| Some College | 23,505 | 13.26% |
| Associates Degree | 13,247 | 7.47% |
| Bachelors Degree | 17,867 | 10.08% |
| Graduate Degree | 5,580 | 3.15% |
| Name | Total | High School | Bachelors |
| Hispanic | 171,860 | 120,947 | 22,354 |
| Other Race | 5,099 | 3,664 | 569 |
| Black | 4,311 | 2,899 | 429 |
| White | 3,750 | 3,123 | 722 |
| Multiple Races | 947 | 560 | 130 |
| Asian | 658 | 494 | 246 |
| Native American | 69 | 69 | |
| Islander | 56 |
The highest rate of high school graduation is among native american people with a rate of 100.00%.
The highest rate of bachelors degrees is among asian people with a rate of 37.39%.
$22,405
Average Earnings
$25,564
Average Male
$19,997
Average Female
5.59% of Hialeah residents speak only English, while 94.41% speak other languages. The non-English language spoken by the largest group is Spanish, which is spoken by 93.96% of the population.
| Name | Total | In Poverty | Poverty Rate |
| Hispanic | 228,420 | 59,326 | 25.97% |
| Black | 5,573 | 1,662 | 29.82% |
| White | 5,936 | 1,244 | 20.96% |
| Other | 7,359 | 900 | 12.23% |
| Multiple | 1,616 | 405 | 25.06% |
| Asian | 826 | 216 | 26.15% |
| Native | 69 | 31 | 44.93% |
25.90%
Overall Poverty Rate
23.42%
Male Poverty Rate
28.16%
Female Poverty Rate
The race most likely to be in poverty in Hialeah is Native, with 44.93% below the poverty level.
The race least likely to be in poverty in Hialeah is Other, with 12.23% below the poverty level.
The poverty rate among those that worked full-time for the past 12 months was 7.62%. Among those working part-time, it was 25.34%, and for those that did not work, the poverty rate was 38.39%.
41.4%
Overall Marriage Rate
44.6%
Male Marriage Rate
38.5%
Female Marriage Rate
The age group where males are most likely to be married is Over 65, while the female age group most likely to be married is 35-44.
| Name | Veterans | % of Total |
| White | 1,813 | 0.99% |
| Hispanic | 1,530 | 0.81% |
| Other | 86 | 1.47% |
| Black | 49 | 1.02% |
| 2 or More | 43 | 4.11% |
| Asian | 9 | 1.26% |
14.42%
Veteran Poverty Rate
19.07%
Veteran Disability Rate
56.5%
Labor Force Participation
52.4%
Employment Rate
7.2%
Unemployment Rate
Non citizens include legal permanent residents (green card holders), international students, temporary workers, humanitarian migrants, and illegal immigrants.
25.58%
Native Born
74.42%
Foreign Born
34.87%
Non Citizen
25.58% of Hialeah residents were born in the United States, with 19.80% having been born in Florida. 34.87% of residents are not US citizens. Of those not born in the United States, the largest percentage are from Latin America.