Census tract · Cobb County

Census Tract 311.14, Cobb County, Georgia

Census Tract 311.14, GEOID 13067031114, in Cobb County, Georgia, mostly within Smyrna (95% of its census blocks). 6,375 residents in the ACS 2020-2024 5-year estimates (±633); the 2020 Census counted 6,880.

Residents, 2020-2024

6,375

±633 (90% margin)
2020 Census count: 6,880

Median household income

$68,739

±$9,520 (90% margin)
Cobb County: $102,738

Median home value

$368,700

±$76,978 (90% margin)
Cobb County: $407,200

Median gross rent

$1,699

±$87 (90% margin)
Cobb County: $1,730

Where is Census Tract 311.14?

Census Tract 311.14 is one of 186 census tracts in Cobb County, Georgia. It covers 1.09 square miles of land, 6,329 residents per square mile in 2020. Its GEOID, 13067031114, names it uniquely (how tract numbers and GEOIDs work).

Places Census Tract 311.14 lies in (share of its 2020 census blocks)
PlaceShare of the tract
Smyrna95%
Marietta2%
Census Tract 311.14 (marked with a dot) in Cobb County, Georgia. Boundaries: Census Bureau 2024.
303.45311.11311.13311.21311.22312.17 311.14 1 mi
Census Tract 311.14 (shaded) and the tracts that border it, numbered. Boundaries: Census Bureau 2024 cartographic boundary file, 1:500,000.

6 census tracts border Census Tract 311.14: Tract 303.45 ($101,000), Tract 311.11 ($100,108), Tract 311.13 ($66,250), Tract 311.21 ($72,730), Tract 311.22 ($108,167) and Tract 312.17 ($90,217). The figure in brackets is each tract's median household income.

Whether a tract counts as low- or moderate-income for bank lending (the Community Reinvestment Act) is set by the FFIEC against its metro area's family income: look it up in the FFIEC census geocoder.

Source: 2024 Gazetteer and 2020 block assignment files, U.S. Census Bureau · Census reference files

How many people live in Census Tract 311.14?

The 2020-2024 American Community Survey puts Census Tract 311.14's population at 6,375 (±633) in 3,536 households; the 2020 Census counted 6,880 residents and 3,871 housing units.

Counts, ACS 2020-2024 5-year estimates
Measure Tract 311.14SmyrnaCobb CountyGeorgia
Total population 6,375 ±633 56,633 775,208 10,940,407
Households 3,536 ±416 24,809 295,714 4,074,366
Average household size 1.80 ±0.17 2.27 2.59 2.62
Housing units 4,092 ±439 27,040 314,104 4,541,835

Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026); 2020 Census P.L. 94-171 · Check it at data.census.gov

Who lives in Census Tract 311.14?

The median resident of Census Tract 311.14 is 28.6 years old; 12.4% are under 18 and 5.1% are 65 or older. The largest group is non-Hispanic Black residents at 35.9%, then Hispanic or Latino residents (of any race) at 26.7%. 20.9% of residents were born outside the United States.

Age, origin, education, ACS 2020-2024 5-year estimates. Race groups are non-Hispanic; Hispanic includes any race.
Measure Tract 311.14SmyrnaCobb CountyGeorgia
Median age 28.6 ±3.1 35.7 37.5 37.6
Under 18 years 12.4% ±3.6 pts 21.6% 22.6% 23.2%
65 years and over 5.1% ±2.3 pts 10.4% 13.7% 15.0%
Hispanic or Latino (any race) 26.7% ±9.2 pts 12.9% 15.1% 11.0%
White alone, not Hispanic 21.7% ±5.8 pts 42.0% 47.1% 49.1%
Black or African American alone, not Hispanic 35.9% ±6.9 pts 31.6% 26.4% 30.7%
Asian alone, not Hispanic 12.2% ±6.8 pts 7.8% 5.4% 4.5%
American Indian and Alaska Native alone, not Hispanic 0.0% ±0.7 pts 0.1% 0.1% 0.1%
Native Hawaiian and Other Pacific Islander alone, not Hispanic 0.0% ±0.7 pts 0.2% 0.0% 0.1%
Two or more races, not Hispanic 3.5% ±2.4 pts 5.1% 5.0% 3.9%
Some other race alone, not Hispanic 0.0% ±0.7 pts 0.4% 0.9% 0.6%
Born outside the United States 20.9% ±7.2 pts 15.0% 16.5% 11.2%
Speak a language other than English at home (age 5+) 37.6% ±9.3 pts 21.3% 21.9% 15.5%
Civilian veterans (age 18+) 1.5% ±1.4 pts 4.3% 6.1% 7.2%
With a disability 4.2% ±2.1 pts 8.0% 9.4% 13.1%
No health insurance coverage 12.4% ±6.3 pts 10.9% 12.0% 12.4%
High school graduate or higher (age 25+) 90.0% ±6.1 pts 95.1% 93.0% 89.2%
Bachelor's degree or higher (age 25+) 64.0% ±9.0 pts 59.4% 50.8% 34.9%
Graduate or professional degree (age 25+) 18.1% ±6.6 pts 24.1% 19.0% 13.9%
Lived in the same house a year earlier 81.2% ±6.6 pts 82.9% 86.0% 87.0%

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 Census Tract 311.14 earn?

Half of the 3,536 households in Census Tract 311.14 earn less than $68,739 a year (±$9,520), against $102,738 across Cobb County: 162nd highest of the county's 186 tracts with a reliable estimate. 18.6% of residents live below the poverty line.

Income and poverty in 2024 dollars, ACS 2020-2024 5-year estimates
Measure Tract 311.14SmyrnaCobb CountyGeorgia
Median household income $68,739 ±$9,520 $100,061 $102,738 $77,353
Mean household income $86,696 ±$12,111 $146,792 $136,477 $106,944
Per capita income $48,386 ±$8,774 $64,689 $52,646 $40,924
People below the poverty line 18.6% ±8.5 pts 10.6% 8.7% 13.4%
Children under 18 below the poverty line 19.6% ±13.9 pts 15.9% 11.0% 18.3%
Households receiving SNAP 7.6% ±4.2 pts 5.6% 6.2% 12.3%
Households with a computer 100.0% ±1.3 pts 99.0% 98.4% 95.8%
Households with a broadband subscription 96.8% ±2.7 pts 97.2% 96.1% 91.0%

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 Census Tract 311.14?

Owners occupy 23.1% of Census Tract 311.14's occupied homes and renters 76.9%. The median owner-occupied home is valued at $368,700 by its owner (±$76,978). The median renter pays $1,699 a month including utilities, and 33.7% of renters pay 35% or more of their income on rent.

Housing, ACS 2020-2024 5-year estimates
Measure Tract 311.14SmyrnaCobb CountyGeorgia
Median home value (owner-occupied) $368,700 ±$76,978 $449,500 $407,200 $303,300
Median gross rent $1,699 ±$87 $1,739 $1,730 $1,393
Renters paying 35% or more of income on rent 33.7% ±9.9 pts 41.4% 40.6% 43.4%
Median monthly owner costs, with a mortgage $1,905 ±$183 $2,438 $2,084 $1,783
Owner-occupied homes 23.1% ±5.5 pts 59.4% 67.0% 65.7%
Renter-occupied homes 76.9% ±5.5 pts 40.6% 33.0% 34.3%
Housing units 4,092 ±439 27,040 314,104 4,541,835
Single-family detached homes 10.7% ±5.1 pts 45.8% 65.1% 66.3%
Mobile homes 0.0% ±1.2 pts 0.6% 0.9% 7.8%
Built 2020 or later 2.6% ±2.3 pts 2.4% 1.9% 2.7%
Built 2010 to 2019 12.0% ±4.5 pts 13.0% 10.8% 11.6%
Built 1939 or earlier 0.0% ±1.2 pts 0.9% 0.8% 3.9%
Households with no vehicle 3.3% ±2.6 pts 4.0% 3.9% 5.9%

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 do people in Census Tract 311.14 get to work?

56.6% of Census Tract 311.14's workers drive alone and 31.2% work from home. The average trip to work takes 28.0 minutes.

Work and commuting, ACS 2020-2024 5-year estimates
Measure Tract 311.14SmyrnaCobb CountyGeorgia
In the labor force (age 16+) 79.5% ±6.9 pts 75.8% 70.5% 63.8%
Unemployment rate 2.2% ±2.6 pts 3.7% 4.5% 5.1%
Drove alone to work 56.6% ±8.6 pts 60.4% 64.8% 70.9%
Carpooled 6.8% ±3.8 pts 6.5% 7.7% 8.9%
Public transportation 1.6% ±2.0 pts 0.3% 0.6% 1.1%
Walked 3.2% ±2.9 pts 1.4% 1.1% 1.3%
Worked from home 31.2% ±9.5 pts 29.6% 23.6% 15.9%
Mean travel time to work 28.0 min ±2.8 29.8 min 29.4 min 28.3 min

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

How does Census Tract 311.14 compare with the other tracts in Cobb County?

Among Cobb County's tracts with a reliable estimate, Census Tract 311.14 ranks as shown below (1 = highest).

Census Tract 311.14's rank among the tracts of Cobb County and of Smyrna
MeasureIn Cobb CountyIn Smyrna
Population12th of 1864th of 20
Residents per square mile4th of 1862nd of 20
Median household income162nd of 18617th of 20
Per capita income103rd of 18615th of 20
Median home value108th of 18314th of 20
Median gross rent104th of 16010th of 18
Poverty rate15th of 622nd of 9
Bachelor's degree or higher51st of 1857th of 20
Median age178th of 18620th of 20
Owner-occupied share172nd of 18419th of 20

The tracts next to it on Cobb County's income ladder

Median household income, ACS 2020-2024 5-year estimates
TractRankMedian household incomeResidents
Tract 311.16159th$69,615±$13,997 · within the margin of this tract3,741
Tract 303.44160th$69,419±$24,773 · within the margin of this tract3,641
Tract 313.22161st$69,406±$13,524 · within the margin of this tract4,322
Tract 311.14162nd$68,739±$9,5206,375
Tract 306.04163rd$67,355±$22,660 · within the margin of this tract3,578
Tract 310.01164th$66,423±$8,374 · within the margin of this tract5,470
Tract 304.13165th$66,360±$16,276 · within the margin of this tract6,122

"Within the margin": the two incomes differ by less than their combined 90% margins, so the survey cannot say which is higher and the ranks between them are not firm.

Source: PlainCities ranks computed from the American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) · How ranks are computed

How reliable are the figures for Census Tract 311.14?

Every figure for Census Tract 311.14 on this page has a coefficient of variation under 40%, the Census Bureau's threshold for a usable estimate.

A census tract's figures rest on a few hundred sampled households over five years, so its margins are wider than a city's. Two tracts differ only when the gap between them is larger than their combined 90% margin (the square root of the sum of the two squared margins). 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 · Check it at data.census.gov

How these figures are made: methodology and release checks · reading a margin of error · every state · corrections