County outline
Where Todd County is located
Area breakdown
Land accounts for 99.3% of Todd County’s measured area and water for 0.7%. Its combined area converts to 976.6 square kilometers or approximately 241,316 acres.
Green: land · blue: water
| Measurement | Square miles | Square kilometers | Acres |
|---|---|---|---|
| Land | 374.518 | 969.997 | 239,691.5 |
| Water | 2.538 | 6.573 | 1,624.3 |
| Total | 377.056 | 976.571 | 241,315.8 |
How Todd County compares
By original Census land area, Todd County ranks #40 of 120 in Kentucky and #2620 of 3,222 nationally. National rankings include the 50 states, District of Columbia, and Puerto Rico.
Its land area is 1.224 times the Kentucky county-equivalent median of 306 square miles. It accounts for 0.9% of the combined county land area in the state.
See the complete Kentucky ranking · What counts as a county equivalent?
Population and density of Todd County
The Census Bureau estimates that 12,972 people lived in Todd County on July 1, 2025. That ranks #2,292 of 3,222 county equivalents nationally and #82 of 120 in Kentucky. Since the April 1, 2020 estimates base of 12,244, the population has grown by 728 (+5.9%), compared with +2.2% for Kentucky as a whole.
With 374.5 square miles of land, that is 35 people per square mile (13 per km²), placing Todd County #1,879 nationally for density and #101 in Kentucky. The median county equivalent has 47 people per square mile; the Kentucky median is 59. Put another way, there are about 18 acres of land per resident.
| July 1 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
|---|---|---|---|---|---|---|
| Estimate | 12,283 | 12,298 | 12,426 | 12,575 | 12,787 | 12,972 |
| Change | — | +15 | +128 | +149 | +212 | +185 |
U.S. Census Bureau, Vintage 2025 population estimates. Estimates are revised each year and are not decennial census counts. Density divides the whole population by the whole county’s land area, so it describes an average, not how settlement is distributed within the county. Population sources and methods.
Cities and towns in Todd County
3 incorporated places lie at least partly in Todd County. Together they are home to 4,122 people (31.8%); the other 8,850 (68.2%) live outside any incorporated place, in unincorporated communities and rural areas.
The largest is Elkton city, with 2,387 residents in the county. Among places with at least 1,000 residents in 2020, Elkton city grew fastest since then (+16.1%).
| Incorporated place | Population 2025 | Since 2020 | Land mi² |
|---|---|---|---|
| Elkton cityCounty seat | 2,387 | +16.1% | 2.835 |
| Guthrie city | 1,395 | +4.8% | 2.393 |
| Trenton city | 340 | +2.4% | 0.569 |
Population: U.S. Census Bureau Vintage 2025 subcounty estimates, counting only the part of each place inside Todd County. Land: 2026 Census Gazetteer, for the whole place even where it extends into other counties. How communities are listed.
Metropolitan area
Todd County is not part of any metropolitan or micropolitan statistical area in the Office of Management and Budget’s July 2023 delineation; 1,306 other county equivalents are also outside one. These areas are built around an urban core of at least 10,000 people plus the counties tied to it by commuting, so counties outside them are generally rural.
ZIP codes
9 ZIP Code Tabulation Areas have land in Todd County; 5 of them have most of their land inside the county, and the others mainly cover neighboring areas.
422044222042234422564226542266422804228642345
ZIP Code Tabulation Areas are the Census Bureau’s approximations of USPS ZIP Code service areas, from the 2020 Census relationship files. Lighter codes have less than half of their land in this county. Post-office-box and single-address ZIP Codes have no tabulation area.
Counties bordering Todd County
Todd County shares a land border with 5 county equivalents, including 2 in Tennessee. Each of them has more land than Todd County. The largest neighbor is Christian County (717.8 mi²) and the smallest is Muhlenberg County (467.3 mi²). Together with its neighbors, Todd County forms a block of 3,127.3 mi² of land, of which it holds 12%.
| Bordering county equivalent | Land mi² | Size vs. Todd | Compare |
|---|---|---|---|
| Christian County | 717.8 | 1.9× larger | Compare |
| Logan County | 552.2 | 1.5× larger | Compare |
| Montgomery CountyTennessee | 539.2 | 1.4× larger | Compare |
| Robertson CountyTennessee | 476.3 | 1.3× larger | Compare |
| Muhlenberg County | 467.3 | 1.2× larger | Compare |
How big is Todd County compared with U.S. states?
Todd County has less land than any of the 50 states. Rhode Island, the smallest state by land area, has 1,033.9 mi², about 2.8 times as much. Kentucky’s county land could hold about 105 areas the size of Todd County.
Another way to picture it: the same land area would fill a square about 19.4 miles (31.1 km) on each side. Real county shapes are rarely square, so this is a scale reference rather than a width or driving distance.
State figures are the sums of each state’s county-equivalent land measurements in the same Census release, so states and counties are compared on the same basis. Published state totals can differ slightly because of rounding. Compare all states · Counties bigger than entire states.
What stands out about Todd County?
Todd County has more land than 602 of the other 3,221 county equivalents in the dataset.
A median is the middle county-equivalent measurement, not the average of the largest and smallest. All three bars use the same linear scale. Very small areas may appear as a thin sliver; the labels retain their values.
Does including water change its rank?
Using land plus water places Todd County at #2,667 nationally by total area, 47 places farther from the top than its land rank. Other county equivalents gain more area when their water measurements are included.
Its water share is 0.7%, compared with a national county-equivalent median of 1.2% — 0.5 percentage points lower. This describes the statistical geography’s land/water mix, not flood exposure or developable land.
Closest positions in the national land ranking
These entries sit immediately beside Todd County in the national ranking. They can be in different states and are not necessarily geographic neighbors.
| Land rank | County equivalent | Land mi² | Comparison |
|---|---|---|---|
| #2619 | Marshall County, Tennessee | 375.5 | Compare |
| #2620 | Todd County, Kentucky | 374.5 | This county |
| #2621 | Wicomico County, Maryland | 374.4 | Compare |
Calculated from the same Census release as the area table. Total-area order uses original ALAND + AWATER; water shares and chart labels use published square miles. Calculation details.
Representative coordinates
The Census internal point is 36.840338, -87.183642. It represents a location inside the geography; it is not necessarily the centroid or the address of a courthouse.
Source and precision
U.S. Census Bureau, 2026 Gazetteer Files, Counties. Original ALAND: 969,997,987 m²; AWATER: 6,572,793 m². Rankings use ALAND; exact ties use ascending GEOID. Tables preserve Census-published square miles to three decimals, with conversions based on those values.
Common questions
How big is Todd County?
Todd County, Kentucky has 374.5 square miles (970 km²) of land and 2.538 square miles of water, for a total area of 377.1 square miles. It ranks #2620 of 3,222 U.S. county equivalents by land area.
Is Todd County the largest county in Kentucky?
No. Todd County ranks #40 of 120 in Kentucky by land area. The largest is Pike County, with 786.2 square miles of land.
What counties border Todd County?
Todd County shares a land border with Christian County, Logan County, Montgomery County, Tennessee, Muhlenberg County, and Robertson County, Tennessee.
What is the population of Todd County?
The Census Bureau estimates Todd County had 12,972 residents on July 1, 2025, ranking #2,292 of 3,222 county equivalents. That is 35 people per square mile of land.
What is the county seat of Todd County?
The county seat of Todd County is Elkton.
What cities and towns are in Todd County?
Todd County has 3 incorporated places. The most populous are Elkton city, Guthrie city, and Trenton city; 8,850 residents live outside any incorporated place.
Is Todd County part of a metropolitan area?
No. Todd County is outside every metropolitan and micropolitan statistical area in the July 2023 OMB delineation.
How many ZIP codes are in Todd County?
9 ZIP Code Tabulation Areas have land in Todd County, and 5 of them have most of their land inside the county. Census ZIP Code Tabulation Areas approximate USPS ZIP Code areas.
How does Todd County compare with U.S. states?
It has less land than every state. Rhode Island, the smallest, has 2.8 times as much land.
How many acres of land are in Todd County?
The land measurement converts to approximately 239,692 acres. Including water, total area is approximately 241,316 acres. One square mile equals 640 acres.
Why might another source show a different area?
Check whether it reports land or total area, its Census vintage, and its rounding. Our guide explains how to reconcile county area figures.
Can this establish a property boundary?
No. Statistical measurements and generalized maps do not establish property lines. Consult the relevant local surveying or land-records authority.