Census-designated place · Georgia
Mountain Park, Gwinnett County, Georgia
Mountain Park, Gwinnett County, census-designated place, in Gwinnett County, Georgia. Mountain Park, Gwinnett County had 12,850 people in the ACS 2020-2024 5-year estimates (±1,253). GEOID 1353186.
Residents, 2020-2024
12,850
±1,253 (90% margin)
2020 Census count: 13,089
Median household income
$96,166
±$12,332 (90% margin)
Georgia: $77,353
Median home value
$350,300
±$14,558 (90% margin)
Georgia: $303,300
Median gross rent
$1,818
±$82 (90% margin)
Georgia: $1,393
Where is Mountain Park, Gwinnett County and what county is it in?
Mountain Park, Gwinnett County is a census-designated place: an unincorporated community the Census Bureau draws for counting, with no city government of its own, in Gwinnett County, Georgia. It covers 5.8 square miles of land, 2,260 residents per square mile in 2020.
Mountain Park, Gwinnett County is in the Atlanta-Sandy Springs-Roswell, GA metropolitan statistical area, which takes in 29 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 Mountain Park, Gwinnett County, and is it growing?
The 2020-2024 American Community Survey puts Mountain Park, Gwinnett County's population at 12,850 (±1,253). The 2020 Census counted 13,089 residents.
The Census Bureau publishes yearly population estimates for incorporated places only; Mountain Park, Gwinnett County is a census-designated place, so its figures come from the ACS and the 2020 Census.
| Measure | Mountain Park, Gwinnett County | Gwinnett County | Change since 2015-2019 |
|---|---|---|---|
| Total population | 12,850±1,253 | 979,864 | no clear change |
| Households | 4,501±486 | 327,043 | no clear change |
| Average household size | 2.85±0.22 | 2.98 | no clear change |
| Housing units | 4,702±481 | 340,962 | no clear change |
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 Mountain Park, Gwinnett County?
The median resident of Mountain Park, Gwinnett County is 44.9 years old; 22.9% are under 18 and 18.7% are 65 or older. The largest group is non-Hispanic white residents at 38.9%, then non-Hispanic Black residents at 21.5%. 27.1% of residents were born outside the United States.
| Measure | Mountain Park, Gwinnett County | Gwinnett County | Change since 2015-2019 |
|---|---|---|---|
| Median age | 44.9±3.5 | 36.0 | +6.1 |
| Under 18 years | 22.9%±2.9 pts | 26.0% | – |
| 65 years and over | 18.7%±2.7 pts | 11.3% | – |
| Male | 51.5%±3.1 pts | 49.1% | – |
| Hispanic or Latino (any race) | 9.2%±2.5 pts | 23.7% | no clear change |
| White alone, not Hispanic | 38.9%±4.2 pts | 30.6% | −14.4 pts |
| Black or African American alone, not Hispanic | 21.5%±4.6 pts | 27.8% | no clear change |
| Asian alone, not Hispanic | 20.3%±4.4 pts | 13.2% | +7.0 pts |
| American Indian and Alaska Native alone, not Hispanic | 0.2%±0.3 pts | 0.1% | – |
| Native Hawaiian and Other Pacific Islander alone, not Hispanic | 0.4%±0.5 pts | 0.0% | – |
| Two or more races, not Hispanic | 9.3%±4.2 pts | 4.0% | – |
| Some other race alone, not Hispanic | 0.2%±0.4 pts | 0.6% | – |
| Born outside the United States | 27.1%±4.8 pts | 28.4% | +7.8 pts |
| Speak a language other than English at home (age 5+) | 31.2%±4.9 pts | 38.1% | – |
| Civilian veterans (age 18+) | 6.1%±1.8 pts | 5.0% | – |
| With a disability | 9.9%±2.4 pts | 8.9% | – |
| No health insurance coverage | 10.2%±2.9 pts | 15.2% | no clear change |
| High school graduate or higher (age 25+) | 92.5%±2.5 pts | 87.9% | – |
| Bachelor's degree or higher (age 25+) | 45.7%±5.3 pts | 39.0% | no clear change |
| Graduate or professional degree (age 25+) | 15.5%±3.5 pts | 13.9% | – |
| Lived in the same house a year earlier | 91.7%±4.0 pts | 88.4% | – |
| Moved from another state in the past year | 0.4%±0.4 pts | 2.2% | – |
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 Mountain Park, Gwinnett County earn?
Half of Mountain Park, Gwinnett County's 4,501 households earn less than $96,166 a year (±$12,332), against $87,890 in Gwinnett County and $77,353 in Georgia. In 2015-2019 it was $93,391 in 2024 dollars; the margins of error cannot tell the two periods apart. 12.9% of residents live below the poverty line.
| Measure | Mountain Park, Gwinnett County | Gwinnett County | Change since 2015-2019 |
|---|---|---|---|
| Median household income | $96,166±$12,332 | $87,890 | no clear change |
| Mean household income | $106,911±$10,754 | $113,877 | – |
| Per capita income | $38,385±$2,977 | $38,906 | no clear change |
| People below the poverty line | 12.9%±5.2 pts | 10.8% | no clear change |
| Children under 18 below the poverty line | 14.9%±9.4 pts | 14.7% | no clear change |
| Households receiving SNAP | 7.4%±3.1 pts | 7.8% | – |
| Households with a computer | 98.7%±0.8 pts | 98.4% | – |
| Households with a broadband subscription | 92.1%±4.9 pts | 94.6% | – |
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 Mountain Park, Gwinnett County?
Owners occupy 80.5% of Mountain Park, Gwinnett County's occupied homes and renters 19.5%. The median owner-occupied home is valued at $350,300 by its owner (±$14,558). The median renter pays $1,818 a month including utilities, and 47.8% of renters pay 35% or more of their income on rent.
| Measure | Mountain Park, Gwinnett County | Gwinnett County | Change since 2015-2019 |
|---|---|---|---|
| Median home value (owner-occupied) | $350,300±$14,558 | $380,900 | +$119,176 |
| Median gross rent | $1,818±$82 | $1,810 | +$196 |
| Renters paying 35% or more of income on rent | 47.8%±15.2 pts | 51.3% | no clear change |
| Median monthly owner costs, with a mortgage | $1,994±$249 | $2,050 | – |
| Owner-occupied homes | 80.5%±5.2 pts | 66.3% | no clear change |
| Renter-occupied homes | 19.5%±5.2 pts | 33.7% | – |
| Housing units | 4,702±481 | 340,962 | no clear change |
| Homeowner vacancy rate | 1.5%±1.3 pts | 0.7% | – |
| Rental vacancy rate | 4.2%±5.4 pts | 5.1% | – |
| Single-family detached homes | 92.7%±3.2 pts | 70.6% | – |
| Mobile homes | 1.1%±1.0 pts | 1.3% | – |
| Built 2020 or later | 0.8%±0.9 pts | 3.1% | – |
| Built 2010 to 2019 | 3.4%±1.6 pts | 12.8% | – |
| Built 1939 or earlier | 0.3%±0.5 pts | 0.4% | – |
| Households with no vehicle | 1.1%±1.0 pts | 3.8% | – |
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 do people in Mountain Park, Gwinnett County work and get to work?
68.0% of Mountain Park, Gwinnett County's workers drive alone and 19.5% work from home. The average trip to work takes 32.2 minutes. The unemployment rate in 2020-2024 averaged 2.3%.
| Measure | Mountain Park, Gwinnett County | Gwinnett County | Change since 2015-2019 |
|---|---|---|---|
| In the labor force (age 16+) | 60.0%±4.1 pts | 68.6% | – |
| Unemployment rate | 2.3%±1.4 pts | 4.2% | no clear change |
| Drove alone to work | 68.0%±4.8 pts | 66.7% | – |
| Carpooled | 10.4%±3.3 pts | 11.8% | – |
| Public transportation | 0.6%±0.6 pts | 0.5% | – |
| Walked | 0.8%±0.7 pts | 0.7% | – |
| Worked from home | 19.5%±5.1 pts | 18.4% | +14.8 pts |
| Mean travel time to work | 32.2 min±1.8 | 32.8 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 Mountain Park, Gwinnett County?
4 census tracts lie mostly in Mountain Park, Gwinnett County, and 2 more reach into it (2020 census blocks). Their median household incomes run from $81,513 (Tract 504.58) to $110,511 (Tract 504.66).
| Tract | Residents, 2020-2024 | Median household income |
|---|---|---|
| Tract 504.30Gwinnett County | 5,701 | $100,676 |
| Tract 504.66Gwinnett County | 3,346 | $110,511 |
| Tract 504.65Gwinnett County | 3,795 | $93,229 |
| Tract 504.58Gwinnett County | 3,559 | $81,513 |
| Tract 504.25Gwinnett County | 5,465 | $110,795 |
| Tract 504.64Gwinnett County | 4,566 | $95,385 |
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 Mountain Park, Gwinnett County) · Census block assignment files
How does Mountain Park, Gwinnett County compare with other places in Georgia?
Mountain Park, Gwinnett County ranks 51st of 348 places in Georgia with 1,000 or more residents and a reliable estimate, by median household income.
| Measure | Rank | Of |
|---|---|---|
| Population (ACS 2020-2024) | 99th | 360 |
| Residents per square mile | 44th | 360 |
| Median household income | 51st | 348 |
| Per capita income | 87th | 357 |
| Median home value | 66th | 346 |
| Median gross rent | 29th | 337 |
| Poverty rate | 207th | 302 |
| Bachelor's degree or higher | 49th | 343 |
| Median age | 36th | 360 |
| Owner-occupied share | 47th | 354 |
| Work from home | 49th | 198 |
| Travel time to work | 68th | 359 |
Mountain Park, Gwinnett County's figures with every place in Georgia (CSV)
Every place in Georgia, sortable · Compare Mountain Park, Gwinnett County 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 Mountain Park, Gwinnett County?
12 of the 57 figures for Mountain Park, Gwinnett County 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 Mountain Park, Gwinnett County 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' school search.