County · code 48127
Dimmit CountyTexas
Dimmit County is a Texas county with its seat in Carrizo Springs, formed in 1858.
- Founded1858
- County seatCarrizo Springs
- Named forPhilip Dimmitt
- Land area1,329 sq mi + 5.6 sq mi water
- Population8,615 2020 Census
- Parcels mapped15,603 checked 15 October 2026
Where it is
Dimmit 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 1858 from Maverick County, Uvalde County and Webb County
An old deed may name a county that no longer exists, or a boundary that has since moved.
Dimmit County was created on February 1, 1858 from Maverick, Uvalde, Webb, and Bexar Land District. It was named after Philip Dimmitt. The county was not fully organized at creation, and went through several attachments and detachments with neighboring counties before being fully organized on November 2, 1880.
- 1858Dimmit County created Dimmit created from Maverick, Uvalde, Webb, and Bexar Land District; Dimmit not fully organized. · Texas Laws 1857, 7th leg., ch. 75, sec. 21/p. 91
- 1860Changed Dimmit attached to Webb "for all judicial purposes." · Texas Laws 1859, 8th leg., reg. sess., gen., ch. 87, sec. 7/p. 120
- 1866Gained territory Dimmit gained from Maverick. · Texas Laws 1866, 11th leg., ch. 23/p. 18
- 1870
- 1880
Land and parcels
What the maps cover in Dimmit
Who publishes each layer, how good it is, and when we last checked.
-
Parcels Good enough
Lot lines and tax-map numbers for 15,603 parcels from Dimmit County. Drawn for tax purposes: usually within a few feet of a survey, but not a survey.
edited 15 October 2026 · checked 15 October 2026 -
Address points Official
One point per address, 6,450 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
Dimmit 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
Dimmit County's official site
We have found the county's site but not its offices yet; start there.
County government
- County government
The official website of Dimmit County.
See your own lot on these maps
Open Dimmit 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 Dimmit County
- When was Dimmit County founded?
- Dimmit County was founded in 1858, formed from Maverick County, Uvalde County and Webb County, and named after Philip Dimmitt.
- What is the county seat of Dimmit County?
- The county seat of Dimmit County is Carrizo Springs.
- Is there an online parcel map for Dimmit County?
- Yes. Dimmit County publishes a parcel map of 15,603 parcels, rated good enough here. You can click any parcel on it in Parcel Chart's free map, no sign-in needed.
- Has Dimmit County's boundary or name changed?
- Dimmit County was created in 1858 from Maverick County, Uvalde County and Webb County. Since then the Atlas of Historical County Boundaries records 4 later changes, chiefly involving Maverick County and Webb County.
- Is my lot in a flood zone?
- We do not have flood maps for Dimmit County yet. Look up the address on FEMA's Flood Map Service Center, which shows the effective flood map for any lot.
Nearby