County outline
Where Kidder County is located
Area breakdown
Land accounts for 94.3% of Kidder County’s measured area and water for 5.7%. Its combined area converts to 3,711 square kilometers or approximately 917,001 acres.
Green: land · blue: water
| Measurement | Square miles | Square kilometers | Acres |
|---|---|---|---|
| Land | 1,351.062 | 3,499.235 | 864,679.7 |
| Water | 81.752 | 211.737 | 52,321.3 |
| Total | 1,432.814 | 3,710.971 | 917,001 |
How Kidder County compares
By original Census land area, Kidder County ranks #20 of 53 in North Dakota and #443 of 3,222 nationally. National rankings include the 50 states, District of Columbia, and Puerto Rico.
Its land area is 1.163 times the North Dakota county-equivalent median of 1,161.8 square miles. It accounts for 2% of the combined county land area in the state.
See the complete North Dakota ranking · What counts as a county equivalent?
Population and density of Kidder County
The Census Bureau estimates that 2,393 people lived in Kidder County on July 1, 2025. That ranks #3,083 of 3,222 county equivalents nationally and #38 of 53 in North Dakota. Since the April 1, 2020 estimates base of 2,389, the population has grown by 4 (+0.2%), compared with +2.6% for North Dakota as a whole.
With 1,351.1 square miles of land, that is 1.8 people per square mile (0.68 per km²), placing Kidder County #3,087 nationally for density and #48 in North Dakota. The median county equivalent has 47 people per square mile; the North Dakota median is 3.7. Put another way, there are about 361 acres of land per resident.
| July 1 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
|---|---|---|---|---|---|---|
| Estimate | 2,381 | 2,355 | 2,389 | 2,365 | 2,394 | 2,393 |
| Change | — | −26 | +34 | −24 | +29 | −1 |
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 Kidder County
6 incorporated places lie at least partly in Kidder County. Together they are home to 1,109 people (46.3%); the other 1,284 (53.7%) live outside any incorporated place, in unincorporated communities and rural areas.
The largest is Steele city, with 664 residents in the county. By land, Tappen city is the largest at 1.049 mi².
| Incorporated place | Population 2025 | Since 2020 | Land mi² |
|---|---|---|---|
| Steele cityCounty seat | 664 | −0.2% | 0.555 |
| Tappen city | 216 | +0.5% | 1.049 |
| Dawson city | 76 | +1.3% | 0.341 |
| Pettibone city | 59 | 0% | 0.182 |
| Tuttle city | 58 | −1.7% | 0.248 |
| Robinson city | 36 | 0% | 0.172 |
Population: U.S. Census Bureau Vintage 2025 subcounty estimates, counting only the part of each place inside Kidder County. Land: 2026 Census Gazetteer, for the whole place even where it extends into other counties. How communities are listed.
Metropolitan area
Kidder 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
13 ZIP Code Tabulation Areas have land in Kidder County; 6 of them have most of their land inside the county, and the others mainly cover neighboring areas.
58418584235842858467584755847858482584835848758488585245853258549
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 Kidder County
Kidder County shares a land border with 6 county equivalents. It has more land than 3 of them. The largest neighbor is Stutsman County (2,221.9 mi²) and the smallest is Sheridan County (972.2 mi²). Together with its neighbors, Kidder County forms a block of 9,949.4 mi² of land, of which it holds 13.6%.
| Bordering county equivalent | Land mi² | Size vs. Kidder | Compare |
|---|---|---|---|
| Stutsman County | 2,221.9 | 1.6× larger | Compare |
| Burleigh County | 1,632.7 | 1.2× larger | Compare |
| Emmons County | 1,508.4 | 1.1× larger | Compare |
| Wells County | 1,270.5 | 1.1× smaller | Compare |
| Logan County | 992.6 | 1.4× smaller | Compare |
| Sheridan County | 972.2 | 1.4× smaller | Compare |
How big is Kidder County compared with U.S. states?
Kidder County has more land than 1 of the 50 states. It is about 1.3 times the land area of Rhode Island (1,033.9 mi²), while Delaware, the next larger state, has 1.4 times as much land (1,948.6 mi²). North Dakota’s county land could hold about 51 areas the size of Kidder County.
Another way to picture it: the same land area would fill a square about 36.8 miles (59.2 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 Kidder County?
Kidder County has more land than 2,779 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 Kidder County at #479 nationally by total area, 36 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 5.7%, compared with a national county-equivalent median of 1.2% — 4.5 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 Kidder County in the national ranking. They can be in different states and are not necessarily geographic neighbors.
| Land rank | County equivalent | Land mi² | Comparison |
|---|---|---|---|
| #442 | Kinney County, Texas | 1,360.5 | Compare |
| #443 | Kidder County, North Dakota | 1,351.1 | This county |
| #444 | Archuleta County, Colorado | 1,350.1 | 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 47.027252, -99.766866. 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: 3,499,233,876 m²; AWATER: 211,737,419 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 Kidder County?
Kidder County, North Dakota has 1,351.1 square miles (3,499.2 km²) of land and 81.8 square miles of water, for a total area of 1,432.8 square miles. It ranks #443 of 3,222 U.S. county equivalents by land area.
Is Kidder County the largest county in North Dakota?
No. Kidder County ranks #20 of 53 in North Dakota by land area. The largest is McKenzie County, with 2,760.1 square miles of land.
What counties border Kidder County?
Kidder County shares a land border with Burleigh County, Stutsman County, Wells County, Logan County, Emmons County, and Sheridan County.
What is the population of Kidder County?
The Census Bureau estimates Kidder County had 2,393 residents on July 1, 2025, ranking #3,083 of 3,222 county equivalents. That is 1.8 people per square mile of land.
What is the county seat of Kidder County?
The county seat of Kidder County is Steele.
What cities and towns are in Kidder County?
Kidder County has 6 incorporated places. The most populous five are Steele city, Tappen city, Dawson city, Pettibone city, and Tuttle city; 1,284 residents live outside any incorporated place.
Is Kidder County part of a metropolitan area?
No. Kidder County is outside every metropolitan and micropolitan statistical area in the July 2023 OMB delineation.
How many ZIP codes are in Kidder County?
13 ZIP Code Tabulation Areas have land in Kidder County, and 6 of them have most of their land inside the county. Census ZIP Code Tabulation Areas approximate USPS ZIP Code areas.
How does Kidder County compare with U.S. states?
It has more land than 1 of the 50 states, including Rhode Island (1,033.9 square miles of land).
How many acres of land are in Kidder County?
The land measurement converts to approximately 864,680 acres. Including water, total area is approximately 917,001 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.