Census tract · Hays County
Census Tract 103.05, Hays County, Texas
Census Tract 103.05, GEOID 48209010305, in Hays County, Texas, mostly within San Marcos (83% of its census blocks). 5,593 residents in the ACS 2020-2024 5-year estimates (±665); the 2020 Census counted 5,983.
Residents, 2020-2024
5,593
±665 (90% margin)
2020 Census count: 5,983
Median household income
$48,882
±$15,781 (90% margin)
Hays County: $89,097
Median home value
not published
Hays County: $399,800
Median gross rent
$1,362
±$63 (90% margin)
Hays County: $1,495
Where is Census Tract 103.05?
Census Tract 103.05 is one of 46 census tracts in Hays County, Texas. It covers 2.17 square miles of land, 2,755 residents per square mile in 2020. Its GEOID, 48209010305, names it uniquely (how tract numbers and GEOIDs work).
| Place | Share of the tract |
|---|---|
| San Marcos | 83% |
5 census tracts border Census Tract 103.05: Tract 9605.01 in Caldwell County ($56,012), Tract 103.02 ($43,462), Tract 103.06 ($54,310), Tract 103.07 ($39,115) and Tract 103.09 ($45,095). 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 103.05?
The 2020-2024 American Community Survey puts Census Tract 103.05's population at 5,593 (±665) in 2,447 households; the 2020 Census counted 5,983 residents and 3,096 housing units.
| Measure | Tract 103.05 | San Marcos |
|---|---|---|
| Total population | 5,593 ±665 | 70,897 |
| Households | 2,447 ±342 | 28,013 |
| Average household size | 2.24 ±0.24 | 2.28 |
| Housing units | 2,728 ±355 | 30,349 |
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 103.05?
The median resident of Census Tract 103.05 is 25.2 years old; 10.9% are under 18 and 5.0% are 65 or older. The largest group is non-Hispanic white residents at 46.5%, then Hispanic or Latino residents (of any race) at 43.4%.
| Measure | Tract 103.05 | San Marcos |
|---|---|---|
| Median age | 25.2 ±1.0 | 25.5 |
| Under 18 years | 10.9% ±5.7 pts | 13.3% |
| 65 years and over | 5.0% ±2.0 pts | 10.8% |
| Hispanic or Latino (any race) | 43.4% ±7.8 pts | 42.2% |
| White alone, not Hispanic | 46.5% ±8.4 pts | 44.6% |
| Black or African American alone, not Hispanic | 4.1% ±3.3 pts | 5.2% |
| Asian alone, not Hispanic | 0.6% ±0.8 pts | 2.1% |
| American Indian and Alaska Native alone, not Hispanic | 0.0% ±0.9 pts | 0.1% |
| Native Hawaiian and Other Pacific Islander alone, not Hispanic | 0.0% ±0.9 pts | 0.0% |
| Two or more races, not Hispanic | 5.5% ±3.8 pts | 3.9% |
| Some other race alone, not Hispanic | 0.0% ±0.9 pts | 1.9% |
| Born outside the United States | 7.8% ±5.4 pts | 9.1% |
| Speak a language other than English at home (age 5+) | 24.6% ±7.5 pts | 27.2% |
| Civilian veterans (age 18+) | 3.6% ±2.3 pts | 4.7% |
| With a disability | 16.0% ±7.1 pts | 15.5% |
| No health insurance coverage | 15.7% ±5.7 pts | 16.4% |
| High school graduate or higher (age 25+) | 98.0% ±1.8 pts | 90.5% |
| Bachelor's degree or higher (age 25+) | 33.9% ±9.7 pts | 38.3% |
| Graduate or professional degree (age 25+) | 13.1% ±7.1 pts | 14.6% |
| Lived in the same house a year earlier | 67.7% ±9.9 pts | 67.8% |
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 103.05 earn?
Half of the 2,447 households in Census Tract 103.05 earn less than $48,882 a year (±$15,781), against $89,097 across Hays County: 38th highest of the county's 46 tracts with a reliable estimate. 40.2% of residents live below the poverty line.
| Measure | Tract 103.05 | San Marcos |
|---|---|---|
| Median household income | $48,882 ±$15,781 | $51,281 |
| Mean household income | $49,817 ±$8,661 | $66,133 |
| Per capita income | $22,208 ±$4,168 | $27,545 |
| People below the poverty line | 40.2% ±10.5 pts | 26.9% |
| Children under 18 below the poverty line | 20.5% ±26.0 pts | 18.1% |
| Households receiving SNAP | 5.4% ±4.2 pts | 7.0% |
| Households with a computer | 98.9% ±1.7 pts | 96.1% |
| Households with a broadband subscription | 85.9% ±6.8 pts | 85.3% |
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 103.05?
The median renter pays $1,362 a month including utilities, and 44.4% of renters pay 35% or more of their income on rent.
| Measure | Tract 103.05 | San Marcos |
|---|---|---|
| Median gross rent | $1,362 ±$63 | $1,322 |
| Renters paying 35% or more of income on rent | 44.4% ±13.0 pts | 56.1% |
| Owner-occupied homes | 8.0% ±5.4 pts | 30.8% |
| Renter-occupied homes | 92.0% ±5.4 pts | 69.2% |
| Housing units | 2,728 ±355 | 30,349 |
| Single-family detached homes | 9.3% ±4.9 pts | 35.0% |
| Mobile homes | 3.4% ±4.3 pts | 2.5% |
| Built 2020 or later | 2.9% ±3.3 pts | 7.1% |
| Built 2010 to 2019 | 15.7% ±5.7 pts | 25.8% |
| Built 1939 or earlier | 1.0% ±1.5 pts | 2.3% |
| Households with no vehicle | 10.8% ±6.2 pts | 8.1% |
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 103.05 get to work?
80.8% of Census Tract 103.05's workers drive alone and 6.7% work from home. The average trip to work takes 26.9 minutes.
| Measure | Tract 103.05 | San Marcos |
|---|---|---|
| In the labor force (age 16+) | 78.4% ±6.0 pts | 67.2% |
| Unemployment rate | 2.8% ±3.3 pts | 5.2% |
| Drove alone to work | 80.8% ±7.8 pts | 68.4% |
| Carpooled | 5.0% ±3.1 pts | 11.4% |
| Public transportation | 0.7% ±1.1 pts | 1.3% |
| Walked | 1.9% ±2.4 pts | 4.5% |
| Worked from home | 6.7% ±4.3 pts | 11.1% |
| Mean travel time to work | 26.9 min ±5.4 | 24.0 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 103.05 compare with the other tracts in Hays County?
Among Hays County's tracts with a reliable estimate, Census Tract 103.05 ranks as shown below (1 = highest).
| Measure | In Hays County | In San Marcos |
|---|---|---|
| Population | 18th of 46 | 3rd of 16 |
| Residents per square mile | 10th of 46 | 7th of 16 |
| Median household income | 38th of 46 | 8th of 16 |
| Per capita income | 44th of 46 | 14th of 16 |
| Median gross rent | 31st of 44 | 6th of 16 |
| Poverty rate | 3rd of 29 | 2nd of 16 |
| Bachelor's degree or higher | 34th of 45 | 11th of 15 |
| Median age | 40th of 46 | 10th of 16 |
The tracts next to it on Hays County's income ladder
| Tract | Rank | Median household income |
|---|---|---|
| Tract 103.08 | 35th | $56,335±$31,266 · within the margin of this tract |
| Tract 104.01 | 36th | $54,375±$18,599 · within the margin of this tract |
| Tract 103.06 | 37th | $54,310±$19,476 · within the margin of this tract |
| Tract 103.05 | 38th | $48,882±$15,781 |
| Tract 107.03 | 39th | $45,646±$12,177 · within the margin of this tract |
| Tract 103.09 | 40th | $45,095±$8,998 · within the margin of this tract |
| Tract 107.04 | 41st | $45,094±$19,215 · 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 103.05?
3 of the 17 figures for Census Tract 103.05 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