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Zip Code 78666 Map And Demographics

Home»Texas State»Hays County»San Marcos»Zip Code 78666
  • Population
    63,255
  • Density
    358 / sqml.
  • Med. Home Value
    $124,700
  • Med. Rent
    $861

Zip Code Rankings

The table shows the top 5 positions of zip code 78666 on our zip code ranking charts. For example, a rank of 10 means that a zip code ranks #10 on the list of the top zip codes in America for a particular value. The lists were created for all zip codes in America with the population of 1000 residents or higher.

Rank Report Value
#199 Top Zip Codes With The Highest Percentage Of College Undergrads 30.24%
#237 Top Zip Codes With The Largest Population 63255 Residents
#276 Top Zip Codes With The Highest Number Of Housing Units 24084
#516 Top Zip Codes With The Lowest Number Of Families-to-population Percentage 16.65%
#587 Top Zip Codes With The Most Business Establishments 1394

Population breakdown by gender

Population in zip code 78666 is 63,255 residents | Male to Female ratio is 1:0.99 | Zip Code 78666 land area is 176.552 sq. miles | Population density is 358.28 residents per square mile

Median age

  Median Age
Zip Code Median Age 24
Median Age - Male 24.1
Median Age - Female 23.8

Median age of zip code 78666 is 38.5% lower compared to nearby zip codes and 35.5% lower compared to the United States median age. Comparing gender-specific madian age yields the following results. Male median age of zip code 78666 is 39.8% lower compared to nearby zip codes and 32.7% lower compared to the United States male median age. Female zip code 78666 median age is 38.2% lower in comparison to nearby zip codes and 38.2% lower compared to female national median age average.

Population breakdown by age

Racial makeup

Race Count
White population 46615
Black or African American population 3246
Asian population 965
American Indian and Alaska Native population 347
Native Hawaiian and other Pacific Islander population 56
Other population 10434

Region of birth

Ancestry distribution

Ancestry Percent Ancestry Percent
Arab 0.2% Czech 1.5%
Danish 0.2% Dutch 0.9%
English 6.7% French No Basque 2.6%
French Canadian 0.2% German 15.1%
Greek 0.1% Hungarian 0.2%
Irish 7.7% Italian 2.5%
Lithuanian 0.1% Norwegian 1%
Polish 1.5% Portuguese 0%
Russian 0.3% Scotch-Irish 2%
Scottish 2.1% Slovak 0.1%
Subsaharan African 0.6% Swedish 0.7%
Swiss 0.2% Ukrainian 0.2%
USA 4.1% Welsh 0.6%
West Indian No Hispanic Groups 0.1% Other Ancestries 46.6%

Family type by presence of children under 18 by age

Family Type Distribution
Total families 10535
Married couples 64.94%
Other couples 35.06%

Family and household income distribution

  Family income (%) Household income (%)
$30,000 or less 26.22% 46.87%
$30,000 and $50,000 19.16% 18.15%
$50,000 and $100,000 36.17% 24.48%
$100,000 and $200,000 15.69% 8.96%
$200,000 or more 2.77% 1.54%

Households by size

Household language

Language Spoken Percent
English language 73.36%
Spanish language 23.34%
Other European language 1.83%
Asian language 1.23%
Other language 0.25%

Population by housing unit

Housing Unit Percent
Total Occupied housing units 22018
Detached housing units 37.92%
Attached housing units 2.18%
2 units 5.95%
3 - 4 units 8.78%
5 - 9 units 10.16%
10 - 19 units 9.53%
20 - 49 units 7.91%
50 or more units 5.63%
Mobile homes 11.78%
Boats, RVs, Vans 0.15%

Means of transportation to work

Means Percent
Use car, track or Van 89.78%
Use public transportation 1.95%
Use Motorcycle 0.12%
Use bicycle 0.59%
Walk to work 4%
Work at home 3.56%

School attendance

Attendance Percent
Attent Preschool programs 2.49%
Attend Public School 12.13%
Attend college undergraduate program 30.24%
Attent graduate studies 2.7%
Not enrolled in school 52.43%

Highest school attainment

Attainment Percent
Less then 9th grade 8.15%
Grade 9 to 12, no diploma 9.42%
High school diploma 21.71%
Some college, no degree 27.13%
Associate degree 7.02%
Bachelor's degree 25.6%
Graduate or professional degree 0.97%

Business Counts by Industry

Industry Type Count
Total of all sectors 1,394
Retail Trade 387
Accommodation and Food Services 180
Health Care and Social Assistance 157
Other Services (except Public Administration) 114
Professional, Scientific, and Technical Services 89
Construction 84
Real Estate and Rental and Leasing 83
Finance and Insurance 82
Administrative and Support and Waste Management and Remediation Services 54
Manufacturing 48
Wholesale Trade 35
Transportation and Warehousing 21
Arts, Entertainment, and Recreation 17
Educational Services 14
Information 13
Management of Companies and Enterprises 6
Utilities 4
Mining, Quarrying, and Oil and Gas Extraction 3
Industries not classified 2
Agriculture, Forestry, Fishing and Hunting 1

Real Estate

Metric Value
Housing occupied 91.42%
Housing vacant 8.58%
Housing occupied by owner 40.25%
Housing occupied by tenant 59.75%
Total Rented Units 13156
Median Contract Gross Rent $710
Median Gross Rent $861
Median Home Value $124,700

Contract rent is the monthly cash rent agreed to, regardless of any furnishings, utilities, fees, meals, or services that may be included. Gross rent is the contract rent plus the estimated average monthly cost of utilities and fuels if these are paid by the renter. In zip code 78666 median gross rent is 21.27% larger then the median contract rent.

Average estimated apartment rent

Apartment Type Average Rent
Studio $580
1 Bedroom $670
2 Bedrooms $810
3 Bedrooms $1,090
4 Bedrooms $1,240
AVERAGE RENT $813

Average rent in zip code 78666 ($813.00) is 26.8% lower compared to nearby zip codes and 13.1% lower compared to the average rent in the US. The following illustrates how zip code 78666 rent compares to the nearby zip code rents by unit type: studio apartment rent is 21.5% lower, one bedroom apartment rent is 20.3% lower, two bedroom rent is 21.7% lower, three bedroom rent is 21.2% lower, four bedroom rent is 20.3% lower.

Housing units

Housing Unit Percent
Total housing units 24084
Detached housing units 37.1%
Attached housing units 1.99%
2 units 6.1%
3 - 4 units 8.64%
5 - 9 units 10.58%
10 - 19 units 10.31%
20 - 49 units 7.81%
50 or more units 5.35%
Mobile homes 11.98%
Boats, RVs, Vans 0.14%

Real Estate taxes paid

Tax Amount
Total Real Estate Taxes $22,289,500
Real estate taxes paid for units with a mortgage $14,430,500
Real estate taxes paid for units with no mortgage $7,859,100

Nearby Zip Code Income Per Capita Comparison

Compare Zip Codes

or compare zip code 78666 to other nearby zip codes.

Zip Codes Near 78666

Zip Code City County Distance
78676 Wimberley Hays 3.41 ml
78619 Driftwood Hays 8.31 ml
78610 Buda Hays 9.31 ml
78640 Kyle Hays 9.87 ml
78655 Martindale Caldwell 12.64 ml
78620 Dripping Springs Hays 13.51 ml
78623 Fischer Comal 13.83 ml
78652 Manchaca Travis 13.97 ml
78656 Maxwell Caldwell 14.14 ml
78739 Austin Travis 15.22 ml