Census tract · Beaufort County
Census Tract 21.05, Beaufort County, South Carolina
Census Tract 21.05, GEOID 45013002105, in Beaufort County, South Carolina, mostly within Bluffton (66% of its census blocks). 5,285 residents in the ACS 2020-2024 5-year estimates (±578); the 2020 Census counted 4,787.
Residents, 2020-2024
5,285
±578 (90% margin)
2020 Census count: 4,787
Median household income
$82,908
±$13,886 (90% margin)
Beaufort County: $86,573
Median home value
$433,700
±$42,232 (90% margin)
Beaufort County: $455,600
Median gross rent
$2,066
±$138 (90% margin)
Beaufort County: $1,653
Where is Census Tract 21.05?
Census Tract 21.05 is one of 43 census tracts in Beaufort County, South Carolina. It covers 4.69 square miles of land, 1,020 residents per square mile in 2020. Its GEOID, 45013002105, names it uniquely (how tract numbers and GEOIDs work).
| Place | Share of the tract |
|---|---|
| Bluffton | 66% |
5 census tracts border Census Tract 21.05: Tract 21.03 ($109,773), Tract 21.06 ($115,526), Tract 21.10 ($84,868), Tract 22.01 ($106,324) and Tract 22.02 ($130,152). 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 21.05?
The 2020-2024 American Community Survey puts Census Tract 21.05's population at 5,285 (±578) in 2,046 households; the 2020 Census counted 4,787 residents and 1,945 housing units.
| Measure | Tract 21.05 | Bluffton |
|---|---|---|
| Total population | 5,285 ±578 | 33,157 |
| Households | 2,046 ±227 | 12,987 |
| Average household size | 2.52 ±0.21 | 2.54 |
| Housing units | 2,120 ±233 | 13,882 |
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 21.05?
The median resident of Census Tract 21.05 is 40.0 years old; 21.5% are under 18 and 24.3% are 65 or older. The largest group is non-Hispanic white residents at 80.6%, then Hispanic or Latino residents (of any race) at 8.4%.
| Measure | Tract 21.05 | Bluffton |
|---|---|---|
| Median age | 40.0 ±4.4 | 42.7 |
| Under 18 years | 21.5% ±3.1 pts | 22.7% |
| 65 years and over | 24.3% ±5.7 pts | 24.6% |
| Hispanic or Latino (any race) | 8.4% ±5.3 pts | 10.5% |
| White alone, not Hispanic | 80.6% ±7.9 pts | 74.8% |
| Black or African American alone, not Hispanic | 4.1% ±2.9 pts | 9.0% |
| Asian alone, not Hispanic | 0.4% ±0.6 pts | 1.4% |
| American Indian and Alaska Native alone, not Hispanic | 0.0% ±0.8 pts | 0.0% |
| Native Hawaiian and Other Pacific Islander alone, not Hispanic | 0.0% ±0.8 pts | 0.0% |
| Two or more races, not Hispanic | 4.1% ±3.8 pts | 3.3% |
| Some other race alone, not Hispanic | 2.4% ±2.8 pts | 1.0% |
| Born outside the United States | 2.2% ±1.7 pts | 5.7% |
| Speak a language other than English at home (age 5+) | 4.2% ±2.3 pts | 10.2% |
| Civilian veterans (age 18+) | 9.5% ±3.7 pts | 11.8% |
| With a disability | 10.0% ±3.4 pts | 8.9% |
| No health insurance coverage | 10.1% ±5.0 pts | 6.3% |
| High school graduate or higher (age 25+) | 96.8% ±2.0 pts | 96.8% |
| Bachelor's degree or higher (age 25+) | 43.8% ±6.5 pts | 51.9% |
| Graduate or professional degree (age 25+) | 18.6% ±5.7 pts | 21.3% |
| Lived in the same house a year earlier | 76.4% ±6.2 pts | 83.6% |
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 21.05 earn?
Half of the 2,046 households in Census Tract 21.05 earn less than $82,908 a year (±$13,886), against $86,573 across Beaufort County: 22nd highest of the county's 42 tracts with a reliable estimate.
| Measure | Tract 21.05 | Bluffton |
|---|---|---|
| Median household income | $82,908 ±$13,886 | $111,281 |
| Mean household income | $109,152 ±$22,618 | $160,804 |
| Per capita income | $42,182 ±$8,516 | $63,413 |
| People below the poverty line | 6.9% ±5.2 pts | 4.3% |
| Children under 18 below the poverty line | 5.1% ±5.8 pts | 4.7% |
| Households receiving SNAP | 2.7% ±3.2 pts | 1.2% |
| Households with a computer | 94.7% ±3.8 pts | 98.2% |
| Households with a broadband subscription | 87.4% ±8.0 pts | 96.7% |
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 Census Tract 21.05?
Owners occupy 61.4% of Census Tract 21.05's occupied homes and renters 38.6%. The median owner-occupied home is valued at $433,700 by its owner (±$42,232). The median renter pays $2,066 a month including utilities, and 63.6% of renters pay 35% or more of their income on rent.
| Measure | Tract 21.05 | Bluffton |
|---|---|---|
| Median home value (owner-occupied) | $433,700 ±$42,232 | $492,100 |
| Median gross rent | $2,066 ±$138 | $2,256 |
| Renters paying 35% or more of income on rent | 63.6% ±14.5 pts | 41.6% |
| Median monthly owner costs, with a mortgage | $1,902 ±$69 | $2,157 |
| Owner-occupied homes | 61.4% ±6.8 pts | 83.4% |
| Renter-occupied homes | 38.6% ±6.8 pts | 16.6% |
| Housing units | 2,120 ±233 | 13,882 |
| Single-family detached homes | 57.0% ±7.7 pts | 79.1% |
| Mobile homes | 0.6% ±0.8 pts | 0.0% |
| Built 2020 or later | 4.9% ±3.4 pts | 12.5% |
| Built 2010 to 2019 | 49.8% ±7.6 pts | 48.4% |
| Built 1939 or earlier | 1.5% ±2.3 pts | 0.9% |
| Households with no vehicle | 3.2% ±2.9 pts | 1.5% |
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 21.05 get to work?
74.6% of Census Tract 21.05's workers drive alone and 17.0% work from home. The average trip to work takes 23.4 minutes.
| Measure | Tract 21.05 | Bluffton |
|---|---|---|
| In the labor force (age 16+) | 60.4% ±6.7 pts | 60.6% |
| Unemployment rate | 2.1% ±1.9 pts | 2.2% |
| Drove alone to work | 74.6% ±7.5 pts | 74.5% |
| Carpooled | 6.0% ±4.9 pts | 8.7% |
| Public transportation | 0.0% ±1.8 pts | 0.0% |
| Walked | 0.0% ±1.8 pts | 0.0% |
| Worked from home | 17.0% ±6.2 pts | 15.5% |
| Mean travel time to work | 23.4 min ±1.9 | 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 21.05 compare with the other tracts in Beaufort County?
Among Beaufort County's tracts with a reliable estimate, Census Tract 21.05 ranks as shown below (1 = highest).
| Measure | In Beaufort County | In Bluffton |
|---|---|---|
| Population | 15th of 42 | 6th of 7 |
| Residents per square mile | 14th of 42 | 4th of 7 |
| Median household income | 22nd of 42 | 6th of 7 |
| Per capita income | 30th of 42 | 6th of 7 |
| Median home value | 21st of 39 | 6th of 7 |
| Median gross rent | 10th of 33 | 4th of 7 |
| Bachelor's degree or higher | 26th of 41 | 5th of 7 |
| Median age | 30th of 42 | 6th of 7 |
| Owner-occupied share | 35th of 40 | 7th of 7 |
The tracts next to it on Beaufort County's income ladder
| Tract | Rank | Median household income |
|---|---|---|
| Tract 101 | 19th | $87,066±$26,975 · within the margin of this tract |
| Tract 21.10 | 20th | $84,868±$23,590 · within the margin of this tract |
| Tract 11.03 | 21st | $83,482±$26,746 · within the margin of this tract |
| Tract 21.05 | 22nd | $82,908±$13,886 |
| Tract 8 | 23rd | $82,031±$22,066 · within the margin of this tract |
| Tract 5.03 | 24th | $80,154±$6,370 · within the margin of this tract |
| Tract 11.01 | 25th | $78,372±$11,970 · within the margin of this tract |
"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 21.05?
3 of the 18 figures for Census Tract 21.05 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.
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