Butterflies of Austin County, Texas
- Information about and pictures of all the known species of butterflies in the county.
- http://www.butterfliesandmoths.org/map?dc=5815&_dcc=1&si=44

Capitol Impact: Austin County
- Educational, political, and economic data.
- http://www.capitolimpact.com/gw/cntydetail.asp?state=tx&stfips=48&stname=Texas&fips=48015

Handbook of Texas Online : Austin County
- Current and historical information about Austin County.
- http://www.tsha.utexas.edu/handbook/online/articles/AA/hca8.html

The Political Graveyard: Austin County, Tex.
- County information and links.
- http://www.politicalgraveyard.com/geo/TX/AU.html

Amphibians and Reptiles in Austin County
- Texas Cooperative Wildlife Collection list of species found in the county.
- http://wfscnet.tamu.edu/tcwc/checklist/austi008.htm

Austin County Appraisal District
- Property assessment and tax valuation for Austin County.
- http://www.austincad.org/

Austin County, Texas
- Includes information on all the towns and cities in the county, historical information, and Historical Commission activities.
- http://www.austincounty.com/

Austin Co TX GenWeb Project
- Genealogy information and links for the county.
- http://www.rootsweb.com/~txaustin/