McPherson County area

McPherson County, Nebraska covers 860.3 square miles: 859.3 square miles of land and 1.031 square miles of water. Its county seat is Tryon. An estimated 369 people lived there in 2025.

Official Census measurements · GEOID 311172026 Gazetteer · retrieved September 27, 2026
Land area859.3 mi²
Water area1.031 mi²
Population (2025)369
People per mi²0.43

County outline

Generalized outline of McPherson County, Nebraska
2025 Census cartographic boundary, fitted to this frame. County maps are not at a common scale. The 2026 area measurements below come from the separate Gazetteer release. Map source and limitations.

Where McPherson County is located

McPherson County highlighted on a map of all U.S. county equivalents. About the maps

Area breakdown

Land accounts for 99.9% of McPherson County’s measured area and water for 0.1%. Its combined area converts to 2,228.1 square kilometers or approximately 550,586 acres.

Green: land · blue: water

MeasurementSquare milesSquare kilometersAcres
Land859.2592,225.471549,925.8
Water1.0312.67659.8
Total860.292,228.141550,585.6

How McPherson County compares

By original Census land area, McPherson County ranks #23 of 93 in Nebraska and #967 of 3,222 nationally. National rankings include the 50 states, District of Columbia, and Puerto Rico.

Its land area is 1.494 times the Nebraska county-equivalent median of 575.2 square miles. It accounts for 1.1% of the combined county land area in the state.

See the complete Nebraska ranking · What counts as a county equivalent?

Population and density of McPherson County

The Census Bureau estimates that 369 people lived in McPherson County on July 1, 2025. That ranks #3,218 of 3,222 county equivalents nationally and #93 of 93 in Nebraska. Since the April 1, 2020 estimates base of 399, the population has declined by 30 (−7.5%), compared with +2.9% for Nebraska as a whole.

With 859.3 square miles of land, that is 0.43 people per square mile (0.17 per km²), placing McPherson County #3,201 nationally for density and #93 in Nebraska. The median county equivalent has 47 people per square mile; the Nebraska median is 8. Put another way, there are about 1,490 acres of land per resident.

Estimated population, 2020–2025 · line scaled to this county’s own range
July 1202020212022202320242025
Estimate396380373380374369
Change—−16−7+7−6−5

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 McPherson County

McPherson County has no incorporated cities, towns or villages. All 369 of its residents live in unincorporated communities, which the Census Bureau describes as census-designated places rather than municipalities.

Metropolitan area

McPherson 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

5 ZIP Code Tabulation Areas have land in McPherson County; 1 of them have most of their land inside the county, and the others mainly cover neighboring areas.

6910169155691636916569167

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 McPherson County

McPherson County shares a land border with 6 county equivalents. It has more land than 4 of them. The largest neighbor is Lincoln County (2,564.2 mi²) and the smallest is Logan County (570.7 mi²). Together with its neighbors, McPherson County forms a block of 7,204.8 mi² of land, of which it holds 11.9%.

Map of McPherson County and the 6 county equivalents that border it Hooker County, Nebraska: 721 mi² landLincoln County, Nebraska: 2,564.2 mi² landArthur County, Nebraska: 715.2 mi² landLogan County, Nebraska: 570.7 mi² landKeith County, Nebraska: 1,062.1 mi² landThomas County, Nebraska: 712.6 mi² land
McPherson County (dark) and its bordering county equivalents. Select a neighbor to open its profile. Drawn from the 2025 Census cartographic boundaries in an equal-area projection. How borders are determined.
Bordering county equivalentLand mi²Size vs. McPhersonCompare
Lincoln County2,564.23× largerCompare
Keith County1,062.11.2× largerCompare
Hooker County7211.2× smallerCompare
Arthur County715.21.2× smallerCompare
Thomas County712.61.2× smallerCompare
Logan County570.71.5× smallerCompare

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

McPherson County has less land than any of the 50 states. Rhode Island, the smallest state by land area, has 1,033.9 mi², about 1.2 times as much. Nebraska’s county land could hold about 89 areas the size of McPherson County.

Land area: McPherson County and the closest-sized states
McPherson County859.3 mi²
Rhode Island1,033.9 mi²

Another way to picture it: the same land area would fill a square about 29.3 miles (47.2 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 McPherson County?

McPherson County has more land than 2,255 of the other 3,221 county equivalents in the dataset.

Land area compared with the typical county equivalent
McPherson County859.3 mi²
Nebraska median575.2 mi²
National median604.5 mi²

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 McPherson County at #1,070 nationally by total area, 103 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 0.1%, compared with a national county-equivalent median of 1.2% — 1 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 McPherson County in the national ranking. They can be in different states and are not necessarily geographic neighbors.

Land rankCounty equivalentLand mi²Comparison
#966Hodgeman County, Kansas860Compare
#967McPherson County, Nebraska859.3This county
#968Sargent County, North Dakota858.5Compare

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 41.648414, -101.120851. 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: 2,225,470,197 m²; AWATER: 2,671,077 m². Rankings use ALAND; exact ties use ascending GEOID. Tables preserve Census-published square miles to three decimals, with conversions based on those values.

Download the official county source ZIP ↗ · Methodology

Common questions

How big is McPherson County?

McPherson County, Nebraska has 859.3 square miles (2,225.5 km²) of land and 1.031 square miles of water, for a total area of 860.3 square miles. It ranks #967 of 3,222 U.S. county equivalents by land area.

Is McPherson County the largest county in Nebraska?

No. McPherson County ranks #23 of 93 in Nebraska by land area. The largest is Cherry County, with 5,960.1 square miles of land.

What counties border McPherson County?

McPherson County shares a land border with Hooker County, Lincoln County, Arthur County, Logan County, Keith County, and Thomas County.

What is the population of McPherson County?

The Census Bureau estimates McPherson County had 369 residents on July 1, 2025, ranking #3,218 of 3,222 county equivalents. That is 0.43 people per square mile of land.

What is the county seat of McPherson County?

The county seat of McPherson County is Tryon.

Is McPherson County part of a metropolitan area?

No. McPherson County is outside every metropolitan and micropolitan statistical area in the July 2023 OMB delineation.

How many ZIP codes are in McPherson County?

5 ZIP Code Tabulation Areas have land in McPherson County, and 1 of them have most of their land inside the county. Census ZIP Code Tabulation Areas approximate USPS ZIP Code areas.

How does McPherson County compare with U.S. states?

It has less land than every state. Rhode Island, the smallest, has 1.2 times as much land.

How many acres of land are in McPherson County?

The land measurement converts to approximately 549,926 acres. Including water, total area is approximately 550,586 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.

Cite this county

Download the complete CSV or JSON dataset