78666

  1. Legal Resources for the 78666 Zip Code
  2. Statistics for the 78666 Zip Code
  3. Property/Housing/Real Estate Information for the 78666 Zip Code
  4. Family Information for the 78666 Zip Code
  5. Education Information for the 78666 Zip Code
  6. Public Benefits Information for the 78666 Zip Code
  7. Criminal Information for the 78666 Zip Code
  8. Immigration & Civil Rights Information for the 78666 Zip Code
  9. Cities for the 78666 Zip Code


Legal Resources for the 78666 Zip Code Back to top

Texas Constitution
Texas Code

Texas State Resources
Texas Website
Texas Governor
Texas Legislature
Texas Courts
Texas Government Resources

State Attorney General
Federal Courts
Texas Western


Statistics for the 78666 Zip Code Back to top
  • Population (2000): 51,452
  • Land Area (2000): 463.374 square kilometers
  • Water Area (2000): 2.492 square kilometers
Back to top
Houses (2000): 18,659
Population - Urban/Rural for the 78666 Zip Code
Urban/Rural Population Percent
Color 0 Box Urban 40,586 78.19%
Color 1 Box Rural, Farm 339 0.65%
Color 2 Box Rural, Non-farm 10,982 21.16%



Employment Information for the 78666 Zip Code Back to top
Hours Worked Per Week In 1999 for the 78666 Zip Code
Hours Per Week Color 0 Box Population Percent
35 or more hours 21,797 50.86%
15-35 hours 10,216 23.84%
1-14 hours 1,771 4.13%
No regular hours 9,074 21.17%

Time Left For Work for the 78666 Zip Code
Time Color 0 Box Population Percent
Midnight-4:59 AM 607 2.35%
5 AM-5:29 AM 491 1.90%
5:30 AM-5:59 AM 833 3.22%
6 AM-6:29 AM 1,771 6.85%
6:30 AM-6:59 AM 1,896 7.33%
7 AM-7:29 AM 3,027 11.70%
7:30 AM-7:59 AM 4,420 17.09%
8 AM-8:29 AM 2,442 9.44%
8:30 AM-8:59 AM 1,111 4.29%
9:00 AM-9:59 AM 1,432 5.54%
10:00 AM-10:59 AM 794 3.07%
11:00 AM-11:59 AM 491 1.90%
Noon-3:59 PM 3,262 12.61%
4 PM-11:59 PM 3,292 12.73%

Length Of Commute In Minutes for the 78666 Zip Code
Minutes Color 0 Box Population Percent
Less than 5 1,426 5.51%
5-9 3,918 15.15%
10-14 5,168 19.98%
15-19 4,496 17.38%
20-24 2,511 9.71%
25-29 842 3.25%
30-34 2,432 9.40%
35-39 501 1.94%
40-44 652 2.52%
45-59 2,099 8.11%
60-89 1,410 5.45%
At least 90 414 1.60%

Length Of Commute In Minutes - Public vs. Private Transportation for the 78666 Zip Code

Minutes Color 0 Box Population (public) Percent Color 1 Box Population (private) Percent
Under 30 220 0.85% 18,141 70.13%
30-44 30 0.12% 3,555 13.74%
45-59 23 0.09% 2,076 8.03%
At least 60 7 0.03% 1,817 7.02%

Type Of Commute for the 78666 Zip Code
Type Population Percent
Color 0 Box Bicycle 99 0.37%
Color 1 Box Car / truck / van, carpool 4,176 15.77%
Color 2 Box Car / truck / van, solo 19,325 72.99%
Color 3 Box Motorcycle 43 0.16%
Color 4 Box Other 292 1.10%
Color 5 Box Public transportation 280 1.06%
Color 6 Box Walked 1,654 6.25%
Color 7 Box Worked at home 607 2.29%



Family Information for the 78666 Zip Code Back to top
Families where both partners work (2000): 3,858
People at same address in 1995: 17,974
Household Income in 1999 for the 78666 Zip Code

Income Population Percent
Under $10,000 2,825 15.95%
$10,000-$14,999 1,564 8.83%
$15,000-$19,999 1,252 7.07%
$20,000-$24,999 1,351 7.63%
$25,000-$29,999 1,413 7.98%
$30,000-$34,999 1,399 7.90%
$35,000-$39,999 1,069 6.04%
$40,000-$44,999 951 5.37%
$45,000-$49,999 823 4.65%
$50,000-$59,999 1,275 7.20%
$60,000-$74,999 1,461 8.25%
$75,000-$99,999 1,279 7.22%
$100,000-$124,999 477 2.69%
$125,000-$149,999 199 1.12%
$150,000-$199,999 179 1.01%
$200,000 or more 191 1.08%

Household Type for the 78666 Zip Code
Type Population Percent
Color 1 Box Nonfamily, 1 person 4,608 26.12%
Color 0 Box Family, 2 people 3,543 20.09%
Color 1 Box Nonfamily, 2 people 2,530 14.34%
Color 0 Box Family, 3 people 2,346 13.30%
Color 1 Box Nonfamily, 3 people 788 4.47%
Color 0 Box Family, 4 people 1,851 10.49%
Color 1 Box Nonfamily, 4 people 268 1.52%
Color 0 Box Family, 5 people 936 5.31%
Color 1 Box Nonfamily, 5 people 27 0.15%
Color 0 Box Family, 6 people 414 2.35%
Color 1 Box Nonfamily, 6 people 9 0.05%
Color 0 Box Family, 7 or more people 313 1.77%
Color 1 Box Nonfamily, 7 or more people 7 0.04%

Household Income Type for the 78666 Zip Code
Type Color 0 Box Population Percent
Earnings 15,779 35.14%
Interest / Dividend / Rent 4,505 10.03%
Public Assistance 324 0.72%
Retirement 1,702 3.79%
Self Employment 2,164 4.82%
Social Security 2,728 6.08%
Supplemental Security 385 0.86%
Wage / Salary 15,319 34.11%
Other 1,999 4.45%

Family Type for the 78666 Zip Code
Type Population Percent
Color 0 Box No children under 18 3,696 51.48%
Color 1 Box With children under 18 3,483 48.52%

Marital Status - Male (for those 15+ in 2000) for the 78666 Zip Code
Type Population Percent
Color 0 Box Divorced 1,303 5.99%
Color 1 Box Married 8,823 40.53%
Color 2 Box Never Married 11,248 51.67%
Color 3 Box Widowed 394 1.81%

Marital Status - Female (for those 15+ in 2000) for the 78666 Zip Code
Type Population Percent
Color 0 Box Divorced 1,672 7.75%
Color 1 Box Married 8,626 39.97%
Color 2 Box Never Married 10,039 46.52%
Color 3 Box Widowed 1,244 5.76%



Education Information for the 78666 Zip Code Back to top
Highest Degree Earned (18 or older) for the 78666 Zip Code
Degree Population Percent
Color 0 Box Less than 9th grade 2,506 6.07%
Color 1 Box 9th-12th grade, no diploma 3,931 9.52%
Color 2 Box High school diploma or equivalent 8,659 20.96%
Color 3 Box Some college, no degree 16,940 41.01%
Color 4 Box Associate degree 1,421 3.44%
Color 5 Box Bachelors degree 5,303 12.84%
Color 6 Box Graduate or professional degree 2,552 6.18%

Population In School (3 or older) for the 78666 Zip Code
School Level Color 0 Box In Public School Percent Color 1 Box In Private School Percent Total Percent
Nursery or preschool 466 0.91% 316 0.61% 782 1.52%
Kindergarten 594 1.15% 73 0.14% 667 1.30%
Grades 1-4 1,885 3.66% 127 0.25% 2,012 3.91%
Grades 5-8 2,306 4.48% 178 0.35% 2,484 4.83%
Grades 9-12 2,327 4.52% 117 0.23% 2,444 4.75%
Undergrad college 13,349 25.94% 334 0.65% 13,683 26.59%
Graduate or professional school 862 1.68% 70 0.14% 932 1.81%
Total 21,789 42.35% 1,215 2.36% 23,004 44.71%



Public Benefits Information for the 78666 Zip Code Back to top
Above Or Below Poverty Level In 1999 for the 78666 Zip Code
Above/Below Population Percent
Color 0 Box At Or Above Poverty Level 35,536 76.18%
Color 1 Box Below Poverty Level 11,111 23.82%



Criminal Information for the 78666 Zip Code Back to top
Correctional Institution Population (2000): 285


Immigration & Civil Rights Information for the 78666 Zip Code Back to top
Population By Age for the 78666 Zip Code
Age Population Percent
0-9 Years 5,637 10.96%
10-19 Years 8,958 17.41%
20-29 Years 17,445 33.91%
30-39 Years 5,985 11.63%
40-49 Years 5,247 10.20%
50-59 Years 3,496 6.79%
60-69 Years 2,129 4.14%
70-79 Years 1,588 3.09%
80-89 Years 792 1.54%
90+ Years 175 0.34%

Population - Male/Female for the 78666 Zip Code
Male/Female Population Percent
Color 0 Box Male 25,889 50.32%
Color 1 Box Female 25,563 49.68%

Population By Ethnicity for the 78666 Zip Code
Ethnicity Population Percent
Color 0 Box Caucasian 27,644 53.73%
Color 3 Box Hispanic/Latino 19,780 38.44%
Color 1 Box African-American 2,628 5.11%
Color 7 Box Multiracial 580 1.13%
Color 2 Box Asian 513 1.00%
Color 4 Box Amerindian 184 0.36%
Color 6 Box Other Race 84 0.16%
Color 5 Box Pacific Islander 39 0.08%

Top Specified Ancestries for the 78666 Zip Code
Rank Ancestry Color 0 Box Population Percent Of Specified Ancestries
1. German 7,859 28.18%
2. Irish 3,920 14.05%
3. English 3,484 12.49%
4. United States Or American 2,104 7.54%
5. French Non-Basque 1,339 4.80%
6. Italian 1,317 4.72%
7. Scottish 1,110 3.98%
8. Scotch Irish 1,047 3.75%
9. Polish 760 2.72%
10. Czech 639 2.29%

Top Languages Spoken At Home for the 78666 Zip Code
Rank Language Color 0 Box Population Percent Of Reported Languages
1. Only English 34,432 70.31%
2. Spanish Or Spanish Creole 13,407 27.38%
3. German 361 0.74%
4. Vietnamese 108 0.22%
5. French 94 0.19%
6. Chinese 85 0.17%
7. Japanese 82 0.17%
8. Tagalog 64 0.13%
9. Italian 44 0.09%
10. Russian 42 0.09%

Citizen Type for the 78666 Zip Code
Type Population Percent
Color 0 Box Citizen by birth 48,921 94.25%
Color 1 Box Naturalized immigrant 1,094 2.11%
Color 2 Box Not a citizen 1,892 3.64%



Cities for the 78666 Zip Code Back to top
Alphabetical | By Population
San Marcos