County outline
Where Renville County is located
Area breakdown
Land accounts for 99.6% of Renville County’s measured area and water for 0.4%. Its combined area converts to 2,556.6 square kilometers or approximately 631,740 acres.
Green: land · blue: water
| Measurement | Square miles | Square kilometers | Acres |
|---|---|---|---|
| Land | 982.896 | 2,545.689 | 629,053.4 |
| Water | 4.198 | 10.873 | 2,686.7 |
| Total | 987.094 | 2,556.562 | 631,740.2 |
How Renville County compares
By original Census land area, Renville County ranks #22 of 87 in Minnesota and #702 of 3,222 nationally. National rankings include the 50 states, District of Columbia, and Puerto Rico.
Its land area is 1.457 times the Minnesota county-equivalent median of 674.6 square miles. It accounts for 1.2% of the combined county land area in the state.
See the complete Minnesota ranking · What counts as a county equivalent?
Population and density of Renville County
The Census Bureau estimates that 14,356 people lived in Renville County on July 1, 2025. That ranks #2,203 of 3,222 county equivalents nationally and #58 of 87 in Minnesota. Since the April 1, 2020 estimates base of 14,723, the population has declined by 367 (−2.5%), compared with +2.2% for Minnesota as a whole.
With 982.9 square miles of land, that is 15 people per square mile (5.6 per km²), placing Renville County #2,486 nationally for density and #65 in Minnesota. The median county equivalent has 47 people per square mile; the Minnesota median is 27. Put another way, there are about 44 acres of land per resident.
| July 1 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
|---|---|---|---|---|---|---|
| Estimate | 14,691 | 14,605 | 14,537 | 14,462 | 14,417 | 14,356 |
| Change | — | −86 | −68 | −75 | −45 | −61 |
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 Renville County
Renville County is divided into 37 municipalities and townships. In Minnesota, county subdivisions are local governments, and together they cover all of the county’s land and residents.
The most populous is Olivia city, with 2,288 residents (15.9% of the county). The largest by land is Sacred Heart township, at 51.7 mi², or 5.3% of the county’s land.
| County subdivision | Population 2025 | Since 2020 | Land mi² | Share of county land |
|---|---|---|---|---|
| Olivia cityCounty seat | 2,288 | −2.8% | 2.421 | 0.2% |
| Renville city | 1,268 | −2.5% | 1.321 | 0.1% |
| Fairfax city | 1,203 | −3.8% | 1.31 | 0.1% |
| Hector city | 989 | −3.4% | 1.806 | 0.2% |
| Bird Island city | 981 | −3.2% | 1.464 | 0.1% |
| Buffalo Lake city | 637 | −2.6% | 0.671 | 0.1% |
| Franklin city | 510 | +2.6% | 1.005 | 0.1% |
| Sacred Heart city | 490 | −3.5% | 0.992 | 0.1% |
| Danube city | 442 | −3.3% | 0.487 | 0% |
| Morton city | 396 | −3.9% | 1.211 | 0.1% |
| Boon Lake township | 349 | −1.7% | 37.3 | 3.8% |
| Troy township | 243 | −2% | 34.8 | 3.5% |
| Preston Lake township | 241 | −2% | 37.3 | 3.8% |
| Sacred Heart township | 240 | −2% | 51.7 | 5.3% |
| Wang township | 239 | −2.8% | 36.2 | 3.7% |
Show the other 22 subdivisions
| Name | Population 2025 | Since 2020 | Land mi² |
|---|---|---|---|
| Winfield township | 227 | −1.7% | 36.5 |
| Birch Cooley township | 216 | −1.8% | 41.5 |
| Ericson township | 213 | −2.7% | 36.3 |
| Beaver Falls township | 206 | −1.9% | 27.1 |
| Hawk Creek township | 195 | −2% | 30.5 |
| Hector township | 195 | −1.5% | 34.5 |
| Melville township | 192 | −1.5% | 36.4 |
| Cairo township | 190 | −2.1% | 33.9 |
| Bird Island township | 185 | −1.6% | 32.9 |
| Emmet township | 176 | −1.7% | 34.6 |
| Henryville township | 175 | −1.7% | 36.2 |
| Crooks township | 169 | −2.9% | 36.1 |
| Kingman township | 169 | −1.7% | 36.3 |
| Palmyra township | 162 | −1.8% | 36.3 |
| Camp township | 161 | −1.8% | 28.5 |
| Flora township | 161 | −1.8% | 37.8 |
| Martinsburg township | 156 | −1.3% | 36.5 |
| Wellington township | 151 | −2.6% | 36.3 |
| Norfolk township | 146 | −1.4% | 35.7 |
| Brookfield township | 140 | −1.4% | 36.1 |
| Bandon township | 128 | −1.5% | 36.6 |
| Osceola township | 127 | −1.6% | 36.3 |
Population: U.S. Census Bureau Vintage 2025 subcounty estimates, counting only the part of each subdivision inside Renville County. Land: 2026 Census Gazetteer. How communities are listed.
Metropolitan area
Renville 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
16 ZIP Code Tabulation Areas have land in Renville County; 10 of them have most of their land inside the county, and the others mainly cover neighboring areas.
55310553145533255333553425535055385562285623056241562605627056277562835628456285
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 Renville County
Renville County shares a land border with 9 county equivalents. It has more land than every one of them. The largest neighbor is Redwood County (878.6 mi²) and the smallest is Nicollet County (448.3 mi²). Together with its neighbors, Renville County forms a block of 6,747.2 mi² of land, of which it holds 14.6%.
| Bordering county equivalent | Land mi² | Size vs. Renville | Compare |
|---|---|---|---|
| Redwood County | 878.6 | 1.1× smaller | Compare |
| Kandiyohi County | 797.4 | 1.2× smaller | Compare |
| Yellow Medicine County | 759.1 | 1.3× smaller | Compare |
| Brown County | 611.3 | 1.6× smaller | Compare |
| Meeker County | 608 | 1.6× smaller | Compare |
| Sibley County | 589 | 1.7× smaller | Compare |
| Chippewa County | 581.2 | 1.7× smaller | Compare |
| McLeod County | 491.5 | 2× smaller | Compare |
| Nicollet County | 448.3 | 2.2× smaller | Compare |
How big is Renville County compared with U.S. states?
Renville County has less land than any of the 50 states. Rhode Island, the smallest state by land area, has 1,033.9 mi², about 1.1 times as much. Minnesota’s county land could hold about 81 areas the size of Renville County.
Another way to picture it: the same land area would fill a square about 31.4 miles (50.5 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 Renville County?
Renville County has more land than 2,520 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 Renville County at #790 nationally by total area, 88 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 0.4%, compared with a national county-equivalent median of 1.2% — 0.7 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 Renville County in the national ranking. They can be in different states and are not necessarily geographic neighbors.
| Land rank | County equivalent | Land mi² | Comparison |
|---|---|---|---|
| #701 | Bosque County, Texas | 983 | Compare |
| #702 | Renville County, Minnesota | 982.9 | This county |
| #703 | Nelson County, North Dakota | 981.8 | 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 44.723697, -94.955616. 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: 2,545,689,671 m²; AWATER: 10,873,495 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 Renville County?
Renville County, Minnesota has 982.9 square miles (2,545.7 km²) of land and 4.198 square miles of water, for a total area of 987.1 square miles. It ranks #702 of 3,222 U.S. county equivalents by land area.
Is Renville County the largest county in Minnesota?
No. Renville County ranks #22 of 87 in Minnesota by land area. The largest is St. Louis County, with 6,248.1 square miles of land.
What counties border Renville County?
Renville County shares a land border with Redwood County, Sibley County, Kandiyohi County, Chippewa County, McLeod County, Meeker County, Nicollet County, Yellow Medicine County, and Brown County.
What is the population of Renville County?
The Census Bureau estimates Renville County had 14,356 residents on July 1, 2025, ranking #2,203 of 3,222 county equivalents. That is 15 people per square mile of land.
What is the county seat of Renville County?
The county seat of Renville County is Olivia.
What cities and towns are in Renville County?
Renville County has 37 county subdivisions (cities, towns and townships). The most populous five are Olivia city, Renville city, Fairfax city, Hector city, and Bird Island city.
Is Renville County part of a metropolitan area?
No. Renville County is outside every metropolitan and micropolitan statistical area in the July 2023 OMB delineation.
How many ZIP codes are in Renville County?
16 ZIP Code Tabulation Areas have land in Renville County, and 10 of them have most of their land inside the county. Census ZIP Code Tabulation Areas approximate USPS ZIP Code areas.
How does Renville County compare with U.S. states?
It has less land than every state. Rhode Island, the smallest, has 1.1 times as much land.
How many acres of land are in Renville County?
The land measurement converts to approximately 629,053 acres. Including water, total area is approximately 631,740 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.