City · Florida
Lake Mary, Florida
Lake Mary, city, in Seminole County, Florida. Lake Mary had 16,789 residents on July 1, 2025 by the Census Bureau's estimate, down 0.3% since 2020; the 2020 Census counted 16,798 and the ACS 2020-2024 5-year estimates put it at 16,860 (±34). GEOID 1238425.
Residents, July 2025 estimate
16,789
Census Bureau estimate (no margin published)
2020 Census count: 16,798 · ACS 2020-2024: 16,860 ±34
Median household income
$109,173
±$19,194 (90% margin)
Florida: $74,568
Median home value
$494,900
±$24,613 (90% margin)
Florida: $359,000
Median gross rent
$2,120
±$111 (90% margin)
Florida: $1,669
Where is Lake Mary and what county is it in?
Lake Mary is a city in Seminole County, Florida. It covers 9.1 square miles of land, 1,851 residents per square mile in 2020.
Lake Mary is in the Orlando-Kissimmee-Sanford, FL metropolitan statistical area, which takes in 4 counties (Census Bureau delineation, July 2023).
Source: 2024 Gazetteer and 2020 place-by-county files, U.S. Census Bureau · Census reference files
How many people live in Lake Mary, and is it growing?
The Census Bureau estimates that 16,789 people lived in Lake Mary on July 1, 2025, down 0.3% since 2020, while Florida grew 8.9%. The 2020 Census counted 16,798 residents. The 2020-2024 American Community Survey, a five-year sample, puts the population at 16,860 (±34).
| Measure | Lake Mary | Seminole County | Change since 2015-2019 |
|---|---|---|---|
| Total population | 16,860 ±34 | 481,470 | +162 |
| Households | 6,913 ±428 | 187,248 | +703 |
| Average household size | 2.40 ±0.15 | 2.55 | −0.26 |
| Housing units | 7,412 ±464 | 199,565 | no clear change |
Lake Mary's population since 2000
From 11,458 in 2000 to 16,789 in 2025: up 46.5%. The 2000, 2010 and 2020 figures are census counts, each for Lake Mary as it was drawn that year: a place that annexed land, or a community that has since incorporated, covered a different area then. The 2005 figure is the Census Bureau's intercensal estimate, revised to fit the 2000 and 2010 counts and drawn on 2010 boundaries; 2015 and 2025 are July 1 estimates made from the census before them.
Source: The 2000, 2010 and 2020 Census counts and the Census Bureau's population estimates (intercensal 2000-2010, Vintage 2020, Vintage 2025) · Census population estimates
Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026); Census PEP Vintage 2025 (SUB-EST2025, CO-EST2025); 2020 Census P.L. 94-171 · Check it at data.census.gov
Who lives in Lake Mary?
The median resident of Lake Mary is 43.8 years old; 18.3% are under 18 and 19.6% are 65 or older. The largest group is non-Hispanic white residents at 64.7%, then non-Hispanic Black residents at 12.3%. 18.8% of residents were born outside the United States.
| Measure | Lake Mary | Seminole County | Change since 2015-2019 |
|---|---|---|---|
| Median age | 43.8 ±3.6 | 39.8 | no clear change |
| Under 18 years | 18.3% ±3.0 pts | 20.5% | – |
| 65 years and over | 19.6% ±2.5 pts | 16.6% | – |
| Male | 48.1% ±2.7 pts | 48.7% | – |
| Hispanic or Latino (any race) | 11.0% ±3.4 pts | 23.9% | no clear change |
| White alone, not Hispanic | 64.7% ±5.6 pts | 54.7% | −7.3 pts |
| Black or African American alone, not Hispanic | 12.3% ±4.7 pts | 11.1% | +7.4 pts |
| Asian alone, not Hispanic | 9.3% ±3.0 pts | 5.3% | no clear change |
| American Indian and Alaska Native alone, not Hispanic | 0.0% ±0.3 pts | 0.1% | – |
| Native Hawaiian and Other Pacific Islander alone, not Hispanic | 0.0% ±0.3 pts | 0.1% | – |
| Two or more races, not Hispanic | 2.2% ±1.1 pts | 4.2% | – |
| Some other race alone, not Hispanic | 0.5% ±0.6 pts | 0.6% | – |
| Born outside the United States | 18.8% ±3.8 pts | 15.1% | no clear change |
| Speak a language other than English at home (age 5+) | 20.7% ±4.7 pts | 23.1% | – |
| Civilian veterans (age 18+) | 6.0% ±1.5 pts | 6.6% | – |
| With a disability | 11.1% ±2.4 pts | 11.9% | – |
| No health insurance coverage | 8.5% ±2.5 pts | 9.5% | +3.5 pts |
| High school graduate or higher (age 25+) | 95.6% ±1.5 pts | 94.0% | – |
| Bachelor's degree or higher (age 25+) | 50.9% ±3.7 pts | 42.7% | no clear change |
| Graduate or professional degree (age 25+) | 18.1% ±3.2 pts | 14.7% | – |
| Lived in the same house a year earlier | 85.1% ±5.0 pts | 87.5% | – |
| Moved from another state in the past year | 5.8% ±4.6 pts | 2.3% | – |
Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) (Data Profiles DP02, DP05) · Check it at data.census.gov
What do households in Lake Mary earn?
Half of Lake Mary's 6,913 households earn less than $109,173 a year (±$19,194), against $85,761 in Seminole County and $74,568 in Florida. In 2015-2019 it was $119,356 in 2024 dollars; the margins of error cannot tell the two periods apart. 3.5% of residents live below the poverty line.
| Measure | Lake Mary | Seminole County | Change since 2015-2019 |
|---|---|---|---|
| Median household income | $109,173 ±$19,194 | $85,761 | no clear change |
| Mean household income | $143,922 ±$13,757 | $114,520 | – |
| Per capita income | $59,681 ±$6,022 | $45,458 | no clear change |
| People below the poverty line | 3.5% ±1.8 pts | 9.0% | no clear change |
| Children under 18 below the poverty line | 2.6% ±3.8 pts | 9.4% | – |
| Households receiving SNAP | 3.6% ±2.2 pts | 9.2% | – |
| Households with a computer | 98.6% ±1.2 pts | 98.2% | – |
| Households with a broadband subscription | 95.2% ±2.2 pts | 94.7% | – |
Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) (Data Profile DP03) · Check it at data.census.gov
What does housing cost in Lake Mary?
Owners occupy 62.9% of Lake Mary's occupied homes and renters 37.1%. The median owner-occupied home is valued at $494,900 by its owner (±$24,613). The median renter pays $2,120 a month including utilities, and 38.5% of renters pay 35% or more of their income on rent.
| Measure | Lake Mary | Seminole County | Change since 2015-2019 |
|---|---|---|---|
| Median home value (owner-occupied) | $494,900 ±$24,613 | $386,900 | +$100,955 |
| Median gross rent | $2,120 ±$111 | $1,783 | no clear change |
| Renters paying 35% or more of income on rent | 38.5% ±13.0 pts | 48.7% | no clear change |
| Median monthly owner costs, with a mortgage | $2,469 ±$202 | $2,020 | – |
| Owner-occupied homes | 62.9% ±5.5 pts | 66.2% | −9.5 pts |
| Renter-occupied homes | 37.1% ±5.5 pts | 33.8% | – |
| Housing units | 7,412 ±464 | 199,565 | no clear change |
| Homeowner vacancy rate | 0.0% ±1.2 pts | 0.9% | – |
| Rental vacancy rate | 7.3% ±4.7 pts | 7.2% | – |
| Single-family detached homes | 55.8% ±5.4 pts | 61.4% | – |
| Mobile homes | 4.4% ±1.9 pts | 2.1% | – |
| Built 2020 or later | 4.5% ±2.1 pts | 2.2% | – |
| Built 2010 to 2019 | 22.7% ±5.1 pts | 10.0% | – |
| Built 1939 or earlier | 0.3% ±0.4 pts | 1.2% | – |
| Households with no vehicle | 2.7% ±1.6 pts | 3.9% | – |
Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) (Data Profile DP04) · Check it at data.census.gov
How many new homes is Lake Mary building?
Builders took permits for 23 new housing units in Lake Mary in 2025 (23 in single-family houses), 1.4 per 1,000 residents against 7.6 across Florida.
Counts of units in permits a local office issued; not every permitted unit is built. A year marked with months was reported for part of the year.
Source: Building Permits Survey, annual place files 2019-2025, U.S. Census Bureau · Census Building Permits Survey
How do people in Lake Mary work and get to work?
62.9% of Lake Mary's workers drive alone and 26.5% work from home. The average trip to work takes 24.6 minutes. The unemployment rate in 2020-2024 averaged 2.6%.
| Measure | Lake Mary | Seminole County | Change since 2015-2019 |
|---|---|---|---|
| In the labor force (age 16+) | 65.9% ±3.1 pts | 67.0% | – |
| Unemployment rate | 2.6% ±1.3 pts | 4.2% | no clear change |
| Drove alone to work | 62.9% ±5.7 pts | 67.7% | – |
| Carpooled | 7.2% ±3.4 pts | 7.4% | – |
| Public transportation | 0.5% ±0.6 pts | 0.5% | – |
| Walked | 1.2% ±1.0 pts | 0.9% | – |
| Worked from home | 26.5% ±5.0 pts | 21.6% | +16.2 pts |
| Mean travel time to work | 24.6 min ±2.5 | 26.8 min | no clear change |
Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) (Data Profile DP03) · Check it at data.census.gov
What census tracts are in Lake Mary?
2 census tracts lie mostly in Lake Mary, and 7 more reach into it (2020 census blocks). Their median household incomes run from $120,406 (Tract 208.05) to $127,050 (Tract 208.03).
| Tract | Residents, 2020-2024 | Median household income |
|---|---|---|
| Tract 208.05Seminole County | 8,477 | $120,406 |
| Tract 208.03Seminole County | 6,717 | $127,050 |
| Tract 208.06Seminole County | 6,203 | $83,029 |
| Tract 207.04Seminole County | 7,697 | $116,250 |
| Tract 208.08Seminole County | 3,903 | $120,053 |
| Tract 208.07Seminole County | 7,198 | $70,491 |
| Tract 208.12Seminole County | 4,868 | $62,278 |
| Tract 206.02Seminole County | 6,626 | $84,755 |
| Tract 208.11Seminole County | 6,886 | $92,310 |
Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026); 2020 block assignment files (tract share = share of the tract's census blocks in Lake Mary) · Census block assignment files
How does Lake Mary compare with other places in Florida?
By the Census Bureau's July 2025 estimates, Lake Mary is the 2,226th-most populous of the 19,476 U.S. incorporated places that have one and the 138th-most populous of 411 in Florida.
Lake Mary ranks 93rd of 754 places in Florida with 1,000 or more residents and a reliable estimate, by median household income.
| Measure | Rank | Of |
|---|---|---|
| Population, July 2025 estimate | 138th | 411 |
| Growth 2020-2025 (PEP) | 279th | 328 |
| Residents per square mile | 404th | 770 |
| Median household income | 93rd | 754 |
| Per capita income | 123rd | 763 |
| Median home value | 149th | 749 |
| Median gross rent | 101st | 710 |
| Poverty rate | 622nd | 634 |
| Bachelor's degree or higher | 115th | 733 |
| Median age | 354th | 762 |
| Owner-occupied share | 533rd | 760 |
| Work from home | 79th | 596 |
| Travel time to work | 549th | 764 |
Lake Mary's figures with every place in Florida (CSV)
Every place in Florida, sortable · Compare Lake Mary with other places
Source: PlainCities ranks computed from the American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) and PEP Vintage 2025 · How ranks are computed
How reliable are the figures for Lake Mary?
9 of the 57 figures for Lake Mary on this page carry a coefficient of variation over 40% and are marked with a ring: they come from a small sample, so read them as rough.
The American Community Survey samples about one household in eight over five years, so every figure is an estimate with a 90% margin of error (shown under each value). A ring marks an estimate whose coefficient of variation is over 40%. A change is called only when the gap between the two periods is larger than their combined 90% margin (the square root of the sum of the two squared margins), the Census Bureau's test. How to read a margin of error.
Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026): margins of error as published · ACS technical documentation
How these figures are made: methodology and release checks · reading a margin of error · every state · corrections
Not on this page: crime, weather and schools for Lake Mary are other agencies' records. Crime: the FBI's Crime Data Explorer · climate: NOAA's U.S. Climate Normals · schools: the National Center for Education Statistics' public schools in Lake Mary.