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COUNTY

Miami County

Ohio · 112,634 residents (2025 est.) · 406.581 sq mi
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The short version

Miami County has roughly average household income, with a median household income of $76,817. Population has held roughly steady since 2000. Median home value has more than doubled since 2000, reaching $229,100. It sits in the top 10% of US counties for household income.

At a glance
Lower income
below the US median
US median: $82,259
Older
median age 41.3
US median: 38.9
Less educated
27% hold a bachelor's degree
US average: 36%
Stable housing
home values roughly flat, inflation adjusted
US median home: $376,019
Section 01

Population & growth

110,296
+12%since 2000
from 98,868 in 2000
1990 – 2025
271 / sq mi
+9%since 2009
from 248 / sq mi in 2009
US average: 281
41.3
+10%since 2000
from 37.7 in 2000
US average: 38.9

PEP 2025 EST:112,634 residents (Census Bureau Vintage 2025, released March 2026)

Population, 19902024
91K97K102K107K112K1990201020202024Miami County
2024110K
1990201020202024
Age distribution, 2024
Under 55.6%(6,153)
US avg: 5.6%
5 to 95.7%(6,279)
US avg: 6%
10 to 147.5%(8,228)
US avg: 6.4%
15 to 196.2%(6,831)
US avg: 6.6%
20 to 245.4%(5,929)
US avg: 6.5%
25 to 3411.3%(12,423)
US avg: 13.7%
35 to 4413.1%(14,405)
US avg: 13.2%
45 to 5412.5%(13,767)
US avg: 12.2%
55 to 6413.5%(14,899)
US avg: 12.7%
65 to 7411.3%(12,473)
US avg: 10.2%
75 to 846.1%(6,712)
US avg: 5.1%
85 and over2%(2,197)
US avg: 1.9%
BAR + DOT: THIS PLACE · TICK: US AVERAGE
Section 02

Income & economy

$76,817
−4%inflation adjusted, since 2000
from $44,109 in 2000
US average: $82,259
1990 – 2024
$40,297
+86%since 2000
from $21,669 in 2000
US average: $44,673
Households earning $100K+
51.1%
+20.0 ptssince 2009
from 31.1% in 2009
US average: 53.3%
9.4%
+2.7 ptssince 2000
from 6.7% in 2000
US average: 12.5%
0.415
+4%since 2010
from 0.399 in 2010
US average: 0.476
Workforce by industry, 2024
Retail trade23.1%
US avg: 9.9%
Information9.6%
US avg: 10.8%
Wholesale trade5.8%
US avg: 6.9%
Finance & insurance5.1%
US avg: 5.9%
Other services4.7%
US avg: 6.7%
Professional, scientific, technical4.6%
US avg: 5.1%
Public administration3.6%
US avg: 4.8%
Transportation & warehousing2.5%
US avg: 2.2%
Agriculture, forestry, fishing1.3%
US avg: 1.6%
Construction1.1%
US avg: 1.2%
Arts, entertainment, food1.1%
US avg: 1.9%
Education & health services0.5%
US avg: 0.9%
Manufacturing0.2%
US avg: 0.4%
BAR + DOT: THIS PLACE · TICK: US AVERAGE
Section 03

Housing

$229,100
+12%inflation adjusted, since 2000
from $112,300 in 2000
US average: $376,019
1990 – 2024
$966
+2%inflation adjusted, since 2000
from $522 in 2000
US average: $1,442
73.4%
+1.1 ptssince 2000
from 72.3% in 2000
26.6% rent
4.9%
−1.1 ptssince 2009
from 6.0% in 2009
US average: 10.0%
15.8%
−6.9 ptssince 2009
from 22.7% in 2009
US average: 22.9%
41.3%
−0.5 ptssince 2009
from 41.8% in 2009
US average: 47.4%
3.0
+12%since 2009
from 2.7 in 2009
2009 – 2024
Our index: median home value divided by median household income. Lower is more affordable.
50
Our index, 0 to 100. Higher means faster recent growth in incomes, home values, and college degrees.
RELATED:See current rent listings in Miami County on RentDataNow
Section 04

Race & ethnicity

2000
White, non-Hispanic95.3%(94,262)
Black1.9%(1,923)
Hispanic / Latino0.7%(721)
Asian0.8%(770)
Other0%
2024
White, non-Hispanic89.9%(99,179)
Black1.8%(1,962)
Hispanic / Latino2.1%(2,366)
Asian1.9%(2,062)
Other4.3%(4,727)
24
+66%since 2009
from 14 in 2009
2009 – 2024
Our index, 0 to 100. Higher means a more even mix of racial and ethnic groups.
21
−14%since 2020
from 25 in 2020
Our index, 0 to 100. Higher means White and non-White residents are more separated across neighborhoods.
Section 04 · Origins

Detailed origins & ancestry

Hispanic origin
Mexican1.1%(1,215)
Puerto Rican0.5%(566)
Dominican0.2%(193)
Ecuadorian0.1%(105)
Spaniard0.1%(69)
Peruvian0%(38)
Cuban0%(36)
Colombian0%(30)
Chilean0%(10)
+ 2 more hispanic origin groups with data
Asian origin
Japanese0.7%(773)
Asian Indian0.5%(508)
Filipino0.3%(306)
Chinese0.2%(194)
Vietnamese0.1%(104)
Pakistani0%(45)
Thai0%(43)
Laotian0%(33)
Korean0%(22)
Pacific Islander origin
Ancestry
German27.9%(30,779)
English13.4%(14,732)
Irish12.1%(13,297)
American7.7%(8,455)
French3%(3,318)
Italian2.9%(3,246)
Scottish1.5%(1,678)
Polish1.4%(1,546)
Dutch1.3%(1,382)
Hungarian0.7%(766)
Welsh0.7%(726)
Scotch-Irish0.6%(632)
+ 32 more ancestry groups with data
Swiss0.5%(601)
British0.4%(399)
Russian0.4%(389)
Swedish0.3%(295)
Norwegian0.2%(261)
Lithuanian0.2%(243)
Croatian0.2%(225)
Ukrainian0.2%(194)
Portuguese0.1%(165)
Arab0.1%(110)
Lebanese0.1%(110)
Slovak0.1%(102)
Czech0.1%(89)
Turkish0.1%(89)
Canadian0.1%(73)
Greek0.1%(71)
Austrian0.1%(57)
Slovene0%(33)
Jamaican0%(32)
Danish0%(31)
Finnish0%(29)
Bulgarian0%(26)
Serbian0%(23)
Romanian0%(21)
Iranian0%(18)
Belgian0%(15)
Nigerian0%(11)
RANKED:Largest German population · Largest English population · Largest Irish population · Largest American population · Largest French population
Section 05

Education

26.8%
+10.5 ptssince 2000
from 16.3% in 2000
US average: 35.6%
High school or higher
92.8%
+10.1 ptssince 2000
from 82.7% in 2000
US average: 89.6%
10.7%
+5.3 ptssince 2000
from 5.4% in 2000
US average: 14.0%
Section 06

Commute & transportation

22.0 min
+69%since 2000
from 13.0 min in 2000
US average: 26.5
80.3%
−5.1 ptssince 2009
from 85.4% in 2009
US average: 68.9%
6.3%
−2.8 ptssince 2009
from 9.0% in 2009
US average: 8.5%
0.2%
Unchangedsince 2009
from 0.2% in 2009
US average: 3.2%
10.2%
+7.2 ptssince 2009
from 3.0% in 2009
US average: 15.0%
1.6%
Unchangedsince 2009
from 1.6% in 2009
US average: 2.4%
0.4%
+0.2 ptssince 2009
from 0.2% in 2009
US average: 0.4%
5.7%
Unchangedsince 2009
from 5.7% in 2009
US average: 8.3%
Section 07

Work & employment

3.1%
−4.1 ptssince 2011
from 7.2% in 2011
US average: 5.2%
64.1%
−1.4 ptssince 2011
from 65.4% in 2011
US average: 63.5%
11.7%
+1.4 ptssince 2009
from 10.3% in 2009
US average: 13.1%
38.8%
−23.4 ptssince 2009
from 62.2% in 2009
US average: 42.5%
Section 08

People & community

49.7%
+0.5 ptssince 2009
from 49.2% in 2009
50.3%
−0.5 ptssince 2009
from 50.8% in 2009
2.8%
+1.3 ptssince 2009
from 1.6% in 2009
US average: 14.1%
7.0%
−41.3 ptssince 2009
from 48.3% in 2009
US average: 6.2%
12.6%
+0.1 ptssince 2012
from 12.5% in 2012
US average: 13.3%
4.7%
−84.6 ptssince 2013
from 89.3% in 2013
US average: 8.4%
92.3%
+13.6 ptssince 2017
from 78.7% in 2017
US average: 91.0%
96.7%
−0.9 ptssince 2016
from 97.6% in 2016
US average: 77.7%
0.7%
Unchangedsince 2016
from 0.7% in 2016
US average: 13.6%
Marital status
Men 15+
Never married29.4%(12,984)
Married57.6%(25,470)
Widowed3.2%(1,400)
Divorced9.9%(4,384)
Women 15+
Never married22.3%(10,109)
Married54.8%(24,894)
Widowed9.8%(4,462)
Divorced13.1%(5,933)
SHARE WITHIN EACH SEX · POPULATION 15 AND OVER · 2024
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Frequently asked

How many people live in Miami County, Ohio?

Miami County, Ohio has about 110,296 residents according to the 2024 American Community Survey.

What is the median household income in Miami County, Ohio?

The typical household in Miami County, Ohio earns about $76,817 a year. Half of households make more than that, and half make less.

Is Miami County, Ohio expensive?

In Miami County, Ohio, the median home is worth about $229,100, and the typical rent is about $966 a month.

How educated are people in Miami County, Ohio?

About 26.8% of adults age 25 and over in Miami County, Ohio hold a bachelor's degree or higher.

What is the poverty rate in Miami County, Ohio?

About 9.4% of people in Miami County, Ohio live below the federal poverty line.

Has Miami County, Ohio grown since 1990?

Yes, Miami County, Ohio has grown since 1990. The population has added about 17,114 residents, a change of about 18 percent over that period.

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DATA: US CENSUS BUREAU ACS 5-YEAR + DECENNIAL CENSUS · UPDATED 2024

How we source and harmonize this data →