Montgomery County, Texas
county in Texas, United States

Montgomery County is a county in the U.S. state of Texas. As of the 2020 census, the population was 620,443, and was estimated to be 781,194 in 2025. Its county seat is Conroe. Montgomery County is part of the Houston–The Woodlands–Sugar Land metropolitan statistical area.
History
The county was created by an act of the Congress of the Republic of Texas on December 14, 1837, and is named for the town of Montgomery.
Geography
According to the United States Census Bureau, the county has a total area of 1,076.885 square miles (2,789.12 km2), of which 34.706 sq mi (89.89 km2) (3.22%) are covered by water. It is the 65th largest county in Texas by total area.
Adjacent counties
Walker County (north)
San Jacinto County (northeast)
Liberty County (east)
Harris County (south)
Waller County (west)
Grimes County (northwest)
Demographics
As of the fourth quarter of 2024, the median home value in Montgomery County was $371,646.
As of the 2023 American Community Survey, an estimated 235,474 households in Montgomery County have an average of 2.77 persons per household. The county has a median household income of $97,266.
This brief starts where responsible research should: with the source description of “Montgomery County, Texas” as county in Texas, United States. Everything that follows is an evidence route, not borrowed authority.
Why this record matters
The subject matters to the places & architecture register because the source frames it as county in Texas, United States. Its deeper value depends on whether names, dates, institutions and citations support that framing.
Place names and jurisdictional language are key evidence: both can reveal earlier catalogue descriptions and overlooked record series. The source revision retrieved here is dated Sep 17, 2026. The linked authority identifier is Q26756. VIAF identifies the subject as 125496877. The Library of Congress control number is n81038779. Authority coordinates are 30.300, -95.500. 6 of 6 selected statements include explicit references; 2 carry qualifiers and 0 use preferred rank. The first chronological checks are 2020, 2025, 1837 and 2024.
Modern boundaries and familiar names can conceal earlier jurisdictions or structures that do not align with the present site. The source lead contains qualifying language; that uncertainty should survive quotation, summary and reuse. Authority statements aid reconciliation but still require their own references, qualifiers and ranks to be checked.
How to read it
Treat names, boundaries and functions as historically changeable. Maps, plans, inventories and administrative records can clarify what the place meant at different dates.
- Historic place names
- Jurisdictional context
- Routes into maps and plans
Contemporary maps, plans, listed-building records, estate papers and the responsible local or national archive.
Three-step research path
- Establish the record: confirm the title “Montgomery County, Texas”, its source revision and the description used here.
- Expand the search: follow Montgomery County, Texas primary sources, Montgomery County, Texas archive and Montgomery research across catalogues and specialist indexes.
- Test the account: compare the strongest cited source with the responsible institution’s current record and note any disagreement.
Questions for further research
- Which source most directly establishes the central claim about “Montgomery County, Texas”?
- Which earlier names or jurisdictions may reveal additional records?
- Which authority defined the place, boundary or structure at the relevant date?
Search terms from this dossier
This entry incorporates text from “Montgomery County, Texas” on English Wikipedia. Contributors are listed in the page history. Text is available under the Creative Commons Attribution-ShareAlike 4.0 License. Selected authority identifiers and statements are retrieved from Wikidata under CC0; their references and qualifiers remain part of the verification path.