County · code 48333
Mills CountyTexas
Mills County is a county in Texas, seated in Goldthwaite. The county was created on March 15, 1887, from parts of Brown, Comanche, Hamilton, and Lampasas counties, and fully organized later that year.
- Founded1887
- County seatGoldthwaite
- Named forJohn T. Mills
- Land area748 sq mi + 1.6 sq mi water
- Population4,456 2020 Census
- Parcels mapped9,279 checked 14 October 2026
Where it is
Mills on the map of Texas
Texas has 254 counties and county equivalents, each with its own records office. Shapes with a page are links.
History
Formed in 1887 from Brown County, Comanche County, Hamilton County and Lampasas County
An old deed may name a county that no longer exists, or a boundary that has since moved.
Mills County was named after John T. Mills. The county was created on March 15, 1887, from Brown, Comanche, Hamilton, and Lampasas counties, but was not fully organized until August 30, 1887.
- 1887Mills County created Mills created from Brown, Comanche, Hamilton, and Lampasas; Mills not fully organized. · Texas Laws 1887, 20th leg., reg. sess., ch. 37/p. 25
- 1887Changed Mills fully organized. · Bowles, 85
Land and parcels
What the maps cover in Mills
Who publishes each layer, how good it is, and when we last checked.
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Parcels Good enough
Lot lines and tax-map numbers for 9,279 parcels from Mills County. Drawn for tax purposes: usually within a few feet of a survey, but not a survey.
edited 14 October 2026 · checked 14 October 2026 -
Address points Official
One point per address, 2,949 in all from Texas Geographic Information Office (TxGIO, formerly TNRIS), a division of the Texas Water Development Board; StratMap program.
checked 14 October 2026 -
Buildings Reference
Roof outlines traced from aerial imagery from FEMA Response Geospatial Office with Oak Ridge National Laboratory (ORNL). Good for seeing what is on a lot; not accurate enough to set a fence from.
checked 18 October 2026
- Official
- from the office that keeps the record
- Good enough
- a reliable statewide or national copy
- Fallback
- a guide only; check the official record
- Missing
- nothing public found yet
People and land
Mills by the Census
Source: US Census Bureau, 2020 Census; US Census Bureau, 2020 Gazetteer Files. Not endorsed or certified by the Census Bureau.
Rules and offices
Who to ask before you build, dig or sell
Official county pages only. We link to them; we do not copy them, because they change.
Inside a city or town, permits usually come from that city rather than the county.
Permits
County government
- County government
The official website of Mills County.
See your own lot on these maps
Open Mills County on Parcel Chart's free map and click your parcel. Save it with a free account; the full record of your place (site map, projects, documents) is Pro, in early access.
Questions
Common questions about Mills County
- When was Mills County founded?
- Mills County was founded in 1887, formed from Brown County, Comanche County, Hamilton County and Lampasas County, and named after John T. Mills.
- What is the county seat of Mills County?
- The county seat of Mills County is Goldthwaite.
- Is there an online parcel map for Mills County?
- Yes. Mills County publishes a parcel map of 9,279 parcels, rated good enough here. You can click any parcel on it in Parcel Chart's free map, no sign-in needed.
- Has Mills County's boundary or name changed?
- Mills County was created in 1887 from Brown County, Comanche County, Hamilton County and Lampasas County. Since then the Atlas of Historical County Boundaries records 1 later change.
- Who issues building permits in Mills County?
- The county's page on building permits: Septic System Permits. Inside a city or town, ask that city first.
- Is my lot in a flood zone?
- We do not have flood maps for Mills County yet. Look up the address on FEMA's Flood Map Service Center, which shows the effective flood map for any lot.
Nearby