County · Kansas

Miami County, Kansas

Miami County, Kansas. Miami County had 36,240 residents in 2025 by the Census Bureau's estimate, up 6.0% since 2020, faster than Kansas (+1.3%). It holds 21 places (5 cities, villages and boroughs, 13 towns and townships and 3 census-designated) and 8 census tracts. GEOID 20121.

Miami County is one of the 14 counties of the Kansas City, MO-KS metropolitan statistical area (the Census Bureau's July 2023 delineation).

Residents, July 2025 estimate

36,240

Census Bureau estimate (no margin published)
2020 Census count: 34,191 · ACS 2020-2024: 34,938

Median household income

$89,000

±$5,837 (90% margin)
Kansas: $74,275

Median home value

$287,700

±$15,386 (90% margin)
Kansas: $217,200

Median gross rent

$1,107

±$67 (90% margin)
Kansas: $1,060

How many people live in Miami County, and is it growing?

The 2020 Census counted 34,191 residents in Miami County. The Census Bureau estimates 36,240 for July 1, 2025, up 6.0% since 2020, faster than Kansas (+1.3%). The 2020-2024 American Community Survey puts the population at 34,938 over 576 square miles of land.

July 2020→2021 +425 (34,649)
2021→2022 +109 (34,758)
2022→2023 +633 (35,391)
2023→2024 +410 (35,801)
2024→2025 +439 (36,240)

Miami County in Kansas. Boundaries: Census Bureau 2024.

Counts, ACS 2020-2024 5-year estimates, with the change from 2015-2019
Measure	Miami County	Kansas	Change since 2015-2019
Total population	34,938	2,947,197	+1,521
Households	13,738±175	1,174,060	+903
Average household size	2.49±0.03	2.44	−0.06
Housing units	14,262±31	1,293,635	+543

Miami County's population since 2000

From 28,351 in 2000 to 36,240 in 2025: up 27.8%. The 2000, 2010 and 2020 figures are census counts. The 2005 figure is the Census Bureau's intercensal estimate, revised to fit the 2000 and 2010 counts and drawn on 2010 boundaries; 2015 and 2025 are July 1 estimates made from the census before them.

2000 Census 28,351
2005 (estimate) 30,758
2010 Census 32,787
2015 (estimate) 32,782
2020 Census 34,191
2025 (estimate) 36,240

Source: The 2000, 2010 and 2020 Census counts and the Census Bureau's population estimates (intercensal 2000-2010, Vintage 2020, Vintage 2025) · Census population estimates

Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026); PEP Vintage 2025 (CO-EST2025); 2020 Census · Check it at data.census.gov

What cities and towns are in Miami County?

Miami County holds 21 places: 5 cities, villages and boroughs (incorporated places), 13 towns and townships (county subdivisions with their own government) and 3 census-designated places. The largest is Paola with 5,880 residents (2025 estimate). Places that cross a county line are listed with the share of their 2020 residents who live in this county.

Places in Miami County, ACS 2020-2024 5-year estimates. Ring: estimate with a coefficient of variation over 40%.

Paola	city	5,768	5,770±24	$74,662	$210,800	7.8%	100%
Louisburg	city	4,969	5,094±18	$68,824	$269,500	9.7%	100%
Osawatomie	city	4,255	4,182±16	$66,991	$155,100	16.6%	100%
Spring Hill	city	7,952	9,120±29	$112,428	$357,800	7.7%	38%
Marysville Township, Miami County	township	2,452	2,302±478	$102,560	$352,900	1.6%	100%
Richland Township, Miami County	township	2,025	2,357±450	$119,097	$439,100	0.6%	100%
Wea Township	township	2,023	1,522±275	$132,500	$501,200	2.0%	100%
Middle Creek Township	township	1,814	1,833±347	$136,000	$394,800	2.3%	100%
Ten Mile Township	township	1,543	1,343±306	$121,875	$566,200	12.5%	100%
Valley Township, Miami CountyGEOID 2012172950	township	1,306	969±267	$89,643	$257,000	8.3%	100%
Paola TownshipGEOID 2012154275	township	1,067	1,021±305	$87,813	$316,700	8.1%	100%
Stanton Township, Miami CountyGEOID 2012167925	township	856	809±293	$103,077	$234,200	1.9%	100%
Mound Township, Miami CountyGEOID 2012148700	township	700	949±493	$70,313	$308,300	2.4%	100%
Osawatomie TownshipGEOID 2012153250	township	694	1,055±480	$91,161	$269,800	7.6%	100%
Osage Township, Miami CountyGEOID 2012153175	township	659	998±332	$80,536	$229,500	19.4%	100%
Miami Township, Miami CountyGEOID 2012146100	township	545	878±346	$86,304	$228,900	5.5%	100%
Sugar Creek TownshipGEOID 2012168825	township	495	383±147	$98,500	$337,000	2.9%	100%
HillsdaleGEOID 2032300	CDP	247	117±81	not published	$173,300	0.0%	100%
FontanaGEOID 2023650	city	210	409±223	$51,250	$121,600	46.5%	100%
BucyrusGEOID 2009050	CDP	171	168±188	not published	not published	0.0%	100%
SomersetGEOID 2066475	CDP	90	40±43	not published	not published	0.0%	100%

Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026); 2020 place-by-county parts · Check it at data.census.gov

Who lives in Miami County?

The median resident of Miami County is 41.7 years old; 23.6% are under 18 and 18.1% are 65 or older. The largest group is non-Hispanic white residents at 89.9%, then non-Hispanic residents of two or more races at 4.5%. 1.0% of residents were born outside the United States.

Age, origin and education, ACS 2020-2024 5-year estimates. Race groups are non-Hispanic; Hispanic includes any race.
Measure	Miami County	Kansas	Change since 2015-2019
Median age	41.7±0.7	37.4	no clear change
Under 18 years	23.6%	23.8%	–
65 years and over	18.1%±0.2 pts	17.0%	–
Hispanic or Latino (any race)	4.1%	13.6%	+0.9 pts
White alone, not Hispanic	89.9%±0.7 pts	72.7%	−2.8 pts
Black or African American alone, not Hispanic	1.2%±0.3 pts	5.2%	no clear change
Asian alone, not Hispanic	0.1%±0.1 pts	2.9%	–
American Indian and Alaska Native alone, not Hispanic	0.1%±0.1 pts	0.4%	–
Native Hawaiian and Other Pacific Islander alone, not Hispanic	0.0%±0.1 pts	0.1%	–
Two or more races, not Hispanic	4.5%±0.8 pts	4.8%	–
Some other race alone, not Hispanic	0.1%±0.1 pts	0.4%	–
Born outside the United States	1.0%±0.4 pts	7.4%	no clear change
Speak a language other than English at home (age 5+)	2.8%±0.9 pts	12.1%	–
Civilian veterans (age 18+)	7.0%±1.3 pts	6.8%	–
With a disability	12.8%±1.6 pts	13.5%	–
No health insurance coverage	7.1%±1.7 pts	8.8%	no clear change
High school graduate or higher (age 25+)	94.2%±1.4 pts	92.0%	–
Bachelor's degree or higher (age 25+)	31.0%±2.6 pts	35.6%	no clear change
Graduate or professional degree (age 25+)	10.7%±1.6 pts	13.4%	–
Moved from another state in the past year	2.6%±1.0 pts	3.0%	–

Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) (Data Profiles DP02, DP05) · Check it at data.census.gov

What do households in Miami County earn?

Half of Miami County's 13,738 households earn less than $89,000 a year (±$5,837), against $74,275 in Kansas. In 2015-2019 it was $88,604 in 2024 dollars; the margins of error cannot tell the two periods apart. 7.9% of residents live below the poverty line.

Income and poverty in 2024 dollars, ACS 2020-2024 5-year estimates
Measure	Miami County	Kansas	Change since 2015-2019
Median household income	$89,000±$5,837	$74,275	no clear change
Mean household income	$106,192±$4,376	$100,417	–
Per capita income	$42,073±$1,612	$40,978	no clear change
People below the poverty line	7.9%±1.6 pts	11.3%	no clear change
Children under 18 below the poverty line	7.6%±2.7 pts	13.1%	no clear change
Households receiving SNAP	2.3%±1.0 pts	6.8%	–
Households with a broadband subscription	87.4%±2.7 pts	90.7%	–

Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) (Data Profile DP03) · Check it at data.census.gov

What does housing cost in Miami County?

Owners occupy 78.2% of Miami County's occupied homes and renters 21.8%. The median owner-occupied home is valued at $287,700 by its owner (±$15,386). The median renter pays $1,107 a month including utilities, and 33.6% of renters pay 35% or more of their income on rent.

Housing, ACS 2020-2024 5-year estimates
Measure	Miami County	Kansas	Change since 2015-2019
Median home value (owner-occupied)	$287,700±$15,386	$217,200	+$39,838
Median gross rent	$1,107±$67	$1,060	no clear change
Renters paying 35% or more of income on rent	33.6%±8.4 pts	34.5%	no clear change
Median monthly owner costs, with a mortgage	$1,895±$78	$1,689	–
Owner-occupied homes	78.2%±3.2 pts	67.2%	no clear change
Housing units	14,262±31	1,293,635	+543
Homeowner vacancy rate	0.7%±0.7 pts	0.9%	–
Rental vacancy rate	2.6%±2.8 pts	6.2%	–
Single-family detached homes	84.0%±2.3 pts	71.8%	–
Mobile homes	4.0%±1.1 pts	4.0%	–
Built 2020 or later	2.5%±0.9 pts	1.4%	–
Built 1939 or earlier	16.8%±2.1 pts	15.4%	–

Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) (Data Profile DP04) · Check it at data.census.gov

How many new homes is Miami County building?

Builders took permits for 124 new housing units across Miami County in 2025 (121 single-family), 3.4 per 1,000 residents.

2019 92 units
2020 85 units
2021 128 units
2022 163 units
2023 103 units
2024 118 units
2025 124 units

Source: Building Permits Survey, annual county files 2019-2025, U.S. Census Bureau · Census Building Permits Survey

How do people in Miami County get to work?

76.3% of Miami County's workers drive alone and 14.1% work from home. The average trip to work takes 30.0 minutes. The unemployment rate in 2020-2024 averaged 3.7%.

Work and commuting, ACS 2020-2024 5-year estimates
Measure	Miami County	Kansas	Change since 2015-2019
In the labor force (age 16+)	66.0%±2.1 pts	66.1%	–
Unemployment rate	3.7%±1.1 pts	3.9%	no clear change
Drove alone to work	76.3%±3.0 pts	75.4%	–
Carpooled	7.8%±1.7 pts	8.7%	–
Public transportation	0.0%±0.2 pts	0.4%	–
Walked	1.3%±0.9 pts	2.3%	–
Worked from home	14.1%±2.4 pts	11.8%	+6.9 pts
Mean travel time to work	30.0 min±1.5	19.7 min	no clear change

Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) (Data Profile DP03) · Check it at data.census.gov

What are Miami County's census tracts?

Miami County is divided into 8 census tracts. Among those with a reliable estimate, median household income runs from $69,269 (Tract 1007) to $111,736 (Tract 1002).

Census tracts of Miami County, ACS 2020-2024 5-year estimates; sort by any column

Tract 100120121100100	Hillsdale (11%)	3,621	3,623±397	$100,536	$382,500	$2,027	0.9%
Tract 100220121100200	Spring Hill (18%)	5,293	5,436±398	$111,736	$359,300	$1,085	9.4%
Tract 100320121100300	Louisburg (33%)	3,168	2,975±312	$92,292	$315,100	$1,308	5.4%
Tract 100420121100400	Louisburg (50%)	4,483	4,553±393	$88,966	$329,300	$1,511	8.5%
Tract 100520121100500	Fontana (5%)	4,197	4,444±412	$88,983	$287,600	$1,061	9.0%
Tract 1006.0120121100601	Paola (86%)	6,273	6,272±248	$75,529	$220,700	$1,093	7.2%
Tract 1006.0220121100602	Paola (4%)	1,805	1,961±308	$102,656	$327,400	$1,349	2.5%
Tract 100720121100700	Osawatomie (62%)	5,351	5,674±438	$69,269	$166,100	$940	13.9%

Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) · Check it at data.census.gov

How does Miami County compare with Kansas's other counties?

Miami County's rank among Kansas's counties with a reliable estimate (1 = highest)
Measure	Rank
Population	14th of 105
Growth 2020-2025	2nd of 105
Residents per square mile	12th of 105
Median household income	5th of 105
Median home value	3rd of 105
Median gross rent	4th of 104
Poverty rate	85th of 102
Bachelor's degree or higher	14th of 105
Median age	49th of 105

Every county in Kansas

Source: PlainCities ranks from the American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) and PEP Vintage 2025 · How ranks are computed

How these figures are made: methodology and release checks · reading a margin of error · every state · corrections

Not on this page: crime, weather and schools for Miami County are other agencies' records. Crime: the FBI's Crime Data Explorer · climate: NOAA's U.S. Climate Normals · schools: the National Center for Education Statistics' school search.