When was Montgomery County founded?

Montgomery County was founded in 1796, formed from Tennessee County, and named after John Montgomery.

What is the county seat of Montgomery County?

The county seat of Montgomery County is Clarksville.

Is there an online parcel map for Montgomery County?

Yes. A public source publishes a parcel map of 92,435 parcels, rated good enough here. You can click any parcel on it in Parcel Chart's free map, no sign-in needed.

Has Montgomery County's boundary or name changed?

Montgomery County was created in 1796 from Tennessee County. Since then the Atlas of Historical County Boundaries records 26 later changes, chiefly involving Robertson County, Cheatham County and Dickson County.

Is my lot in a flood zone?

We do not have flood maps for Montgomery County yet. Look up the address on FEMA's Flood Map Service Center, which shows the effective flood map for any lot.

County · code 47125

Montgomery CountyTennessee

Montgomery County is a county in Tennessee, with its seat in Clarksville. The county was created in 1796 and named after John Montgomery.

Founded1796
County seatClarksville
Named forJohn Montgomery
Land area539 sq mi + 4.7 sq mi water
Population220,069 2020 Census
Parcels mapped92,435 checked 16 October 2026

Open the free map Click any parcel in Montgomery County: acreage, parcel id, address and who publishes the map. No sign-in.

Updated 19 October 2026

Census outline · seat marked

History

Formed in 1796 from Tennessee County

An old deed may name a county that no longer exists, or a boundary that has since moved.

Montgomery County was created from Tennessee County in 1796. Over the following decades, the county's boundaries changed through exchanges and transfers with neighboring counties including Robertson, Dickson, Stewart, and Cheatham.

Boundary changes from the Newberry Library, Atlas of Historical County Boundaries; the 5 that matter most are shown first.

1796
Montgomery County created Montgomery created from Tennessee County (extinct).
from Tennessee
9 April 1796 · Tenn. Acts 1796, 1st assy., 1st sess., ch. 30/p. 99
1799
Lost territory Montgomery lost to Robertson.
to Robertson
23 October 1799 · Tenn. Acts 1799, 3d assy., ch. 13/p. 190
1801
Gained territory Montgomery gained from Robertson, lost to Non-County Area 2.
from Robertson
29 October 1801 · Tenn. Acts 1801, 4th assy., ch. 51/p. 289
1801
Gained territory Montgomery gained from Non-County Area 2. 14 November 1801 · Tenn. Acts 1801, 4th assy., ch. 37/p. 270
1803
Lost territory Montgomery lost to creation of Dickson.
to Dickson
25 October 1803 · Tenn. Acts 1803, 5th assy., 1st sess., ch. 66, sec. 1/p. 112

Show all 28 changes (23 more, mostly small adjustments)

1796
Montgomery County created Montgomery created from Tennessee County (extinct).
from Tennessee
9 April 1796 · Tenn. Acts 1796, 1st assy., 1st sess., ch. 30/p. 99
1799
Lost territory Montgomery lost to Robertson.
to Robertson
23 October 1799 · Tenn. Acts 1799, 3d assy., ch. 13/p. 190
1801
Gained territory Montgomery gained from Robertson, lost to Non-County Area 2.
from Robertson
29 October 1801 · Tenn. Acts 1801, 4th assy., ch. 51/p. 289
1801
Gained territory Montgomery gained from Non-County Area 2. 14 November 1801 · Tenn. Acts 1801, 4th assy., ch. 37/p. 270
1803
Lost territory Montgomery lost to creation of Dickson.
to Dickson
25 October 1803 · Tenn. Acts 1803, 5th assy., 1st sess., ch. 66, sec. 1/p. 112
1803
Lost territory Montgomery lost to creation of Stewart, lost to Non-County Area 3 when a one-mile-wide strip of Montgomery between Stewart and Dickson implicitly reverted to non-county status, and lost to Non-County Area 4 when territory west of Tennessee River implicitly reverted to non-county status (Chickasaw Indian land).
to Stewart to Dickson
1 November 1803 · Tenn. Acts 1803, 5th assy., 1st sess., ch. 68, sec. 1/p. 115
1804
Exchanged territory Montgomery exchanged with Stewart.
with Stewart
31 July 1804 · Scott, ch. 13/p. 830
1809
Gained territory Montgomery gained from Robertson.
from Robertson
8 November 1809 · Scott, ch. 42/p. 1144
1836
Gained territory Montgomery gained from Robertson.
from Robertson
18 February 1836 · Tenn. Acts 1835, 21st assy., 1st sess., loc., ch. 44/p. 171
1837
Changed Legislature authorized creation of a county named Cumberland from Montgomery and three other counties; creation did not take effect; not related to present Cumberland.
Cumberland
27 November 1837 · Tenn. Acts 1837, 22d assy., ch. 8, secs. 1, 18, 20/pp. 28, 32-33 and ch. 124, secs. 1-3/pp. 189-190; McBride, 6-7; HRS Tenn., Cheatham, 5
1844
Changed Legislature again authorized creation of a county named Cumberland from Montgomery and three other counties; creation did not take effect; not related to present Cumberland.
Cumberland
3 January 1844 · Tenn. Acts 1843, 25th assy., ch. 59, secs. 1, 18, 20/pp. 59, 64-65; Tenn. Acts 1855, 31st assy., ch. 122, sec. 21/p. 157; McBride, 7; HRS Tenn., Cheatham, 5-6
1856
Lost territory Montgomery lost to creation of Cheatham.
to Cheatham
5 April 1856 · Tenn. Acts 1855, 31st assy., ch. 122, secs. 1, 18-21, 26/pp. 151, 156-158; "Davidson County v. Cheatham County" in S.W. Rptr, 63:209-213; Binkley, 30-31
1860
Gained territory Montgomery gained from Cheatham to accommodate local residents; Montgomery lost to Dickson to accommodate local resident.
from Cheatham from Dickson
7 March 1860 · Tenn. Acts 1859, 33d assy., 1st sess., priv., ch. 100, secs. 1-14/pp. 368-370
1868
Changed Boundary between Montgomery and Cheatham adjusted (later repealed).
Cheatham
14 March 1868 · Tenn. Acts 1867, 35th assy., 1st sess., pub., ch. 82/p. 108
1869
Changed Boundary between Montgomery and Cheatham adjusted (later repealed).
Cheatham
28 January 1869 · Tenn. Acts 1868, 35th assy., 2d sess., pub., ch. 21/p. 21
1869
Lost territory Montgomery lost to Robertson.
to Robertson
9 December 1869 · Tenn. Acts 1869, 36th assy., 1st sess., pub., ch. 32/p. 40
1877
Lost territory Montgomery lost to Cheatham to accommodate local resident.
to Cheatham
1 May 1877 · Tenn. Acts 1877, 40th assy., 1st sess., ch. 61/p. 76
1881
Lost territory Montgomery lost to Cheatham to accommodate local resident. Montgomery lost small area to Robertson.
to Cheatham to Robertson
4 April 1881 · (Tenn. Acts 1881, 42d assy., 1st sess., ch. 72/p. 84; ch. 60/p. 74).
1883
Lost territory Montgomery lost to Cheatham to accommodate local resident.
to Cheatham
14 March 1883 · Tenn. Acts 1883, 43d assy., ch. 53/p. 56
1887
Lost territory Montgomery lost to Dickson to accommodate local resident.
to Dickson
2 March 1887 · Tenn. Acts 1887, 45th assy., ch. 50/p. 121
1887
Exchanged territory Montgomery exchanged with Cheatham to accommodate local residents.
with Cheatham
22 March 1887 · Tenn. Acts 1887, 45th assy., ch. 75/p. 154
1887
Lost territory Montgomery lost to Robertson to accommodate local resident.
to Robertson
23 March 1887 · Tenn. Acts 1887, 45th assy., ch. 110/p. 200
1897
Lost territory Montgomery lost to Dickson to accommodate local residents.
to Dickson
6 February 1897 · Tenn. Acts 1897, 50th assy., ch. 199/p. 416
1935
Lost territory Montgomery lost to Robertson to accommodate local residents.
to Robertson
20 April 1935 · Tenn. Acts 1935, 69th assy., priv., ch. 681/p. 1820
1937
Gained territory Montgomery gained from Dickson to accommodate local residents.
from Dickson
24 February 1937 · Tenn. Acts 1937, 70th assy., priv., ch. 255/p. 805
1971
Gained territory Montgomery gained small area from Robertson.
from Robertson
15 April 1971 · Tenn. Acts 1971, 87th assy., 1st reg. sess., priv., ch. 69/p. 247
1972
Boundary clarified Boundary between Montgomery and Robertson clarified (no change).
with Robertsonno change
20 April 1972 · Tenn. Acts 1972, 87th assy., 2d reg. sess., pub., ch. 791/p. 1295
1981
Lost territory Montgomery lost to Robertson to accommodate local resident.
to Robertson
13 May 1981 · Tenn. Acts 1981, 92d assy., 1st reg. sess., pub., ch. 324/p. 424

Land and parcels

What the maps cover in Montgomery

Who publishes each layer, how good it is, and when we last checked.

Parcels Good enough

Lot lines and tax-map numbers for 92,435 parcels. Drawn for tax purposes: usually within a few feet of a survey, but not a survey.
checked 16 October 2026
Address points Official

One point per address, 100,467 in all from TECB and local 911 districts via TNMap (tnmap_oir).
edited 6 October 2026 · 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

Montgomery by the Census

Population

220,069 2020 Census count

Housing units

85,714 2020 Census count

Land area

539 square miles

Water area

4.7 square miles

People per sq mi

408 population ÷ land area

Source: US Census Bureau, 2020 Census; US Census Bureau, 2020 Gazetteer Files. Not endorsed or certified by the Census Bureau.

Rules and offices

Montgomery 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 Montgomery County.
mcgtn.org

See your own lot on these maps

Open Montgomery 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.

Open the free map no sign-in Pro early access

Questions

Common questions about Montgomery County

When was Montgomery County founded?: Montgomery County was founded in 1796, formed from Tennessee County, and named after John Montgomery.
What is the county seat of Montgomery County?: The county seat of Montgomery County is Clarksville.
Is there an online parcel map for Montgomery County?: Yes. A public source publishes a parcel map of 92,435 parcels, rated good enough here. You can click any parcel on it in Parcel Chart's free map, no sign-in needed.
Has Montgomery County's boundary or name changed?: Montgomery County was created in 1796 from Tennessee County. Since then the Atlas of Historical County Boundaries records 26 later changes, chiefly involving Robertson County, Cheatham County and Dickson County.
Is my lot in a flood zone?: We do not have flood maps for Montgomery County yet. Look up the address on FEMA's Flood Map Service Center, which shows the effective flood map for any lot.

Nearby