Grenada County area

Population and density of Grenada County

The Census Bureau estimates that 20,868 people lived in Grenada County on July 1, 2025. That ranks #1,839 of 3,222 county equivalents nationally and #44 of 82 in Mississippi. Since the April 1, 2020 estimates base of 21,627, the population has declined by 759 (−3.5%), compared with −0.2% for Mississippi as a whole.

With 422.1 square miles of land, that is 49 people per square mile (19 per km²), placing Grenada County #1,562 nationally for density and #29 in Mississippi. The median county equivalent has 47 people per square mile; the Mississippi median is 43. Put another way, there are about 13 acres of land per resident.

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 Grenada County

1 incorporated place lies at least partly in Grenada County. Together they are home to 12,088 people (57.9%); the other 8,780 (42.1%) live outside any incorporated place, in unincorporated communities and rural areas.

The largest is Grenada city, with 12,088 residents in the county.

Metropolitan area

Grenada County is a central county of the Grenada, MS Micropolitan Statistical Area. Its 2 county equivalents have 30,222 residents on 829.1 square miles of land; Grenada County accounts for 50.9% of the land and 69% of the residents. By combined land it ranks #249 of 542 micropolitan areas, and #437 by population.

ZIP codes

7 ZIP Code Tabulation Areas have land in Grenada County; 3 of them have most of their land inside the county, and the others mainly cover neighboring areas.

38901389143892238925389293894038953

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 Grenada County

Grenada County shares a land border with 7 county equivalents. It has more land than 2 of them. The largest neighbor is Tallahatchie County (645.6 mi²) and the smallest is Montgomery County (407 mi²). Together with its neighbors, Grenada County forms a block of 4,172 mi² of land, of which it holds 10.1%.

How big is Grenada County compared with U.S. states?

Grenada County has less land than any of the 50 states. Rhode Island, the smallest state by land area, has 1,033.9 mi², about 2.4 times as much. Mississippi’s county land could hold about 111 areas the size of Grenada County.

Another way to picture it: the same land area would fill a square about 20.5 miles (33.1 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 Grenada County?

Grenada County has more land than 822 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 Grenada County at #2,348 nationally by total area, 52 places closer to the top than its land rank. The water assigned to this geography moves it ahead of some county equivalents with more land.

Its water share is 6.1%, compared with a national county-equivalent median of 1.2% — 4.9 percentage points higher. 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 Grenada County in the national ranking. They can be in different states and are not necessarily geographic neighbors.

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.