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COUNTY · 2020 ACS

Miami County

Ohio · 108,774 residents · 407 sq mi
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The short version

Miami County is a county of 108,774 people in Ohio. 23% of adults hold a bachelor's degree or higher. The foreign-born share is 2%. Median home value sits at $155,000. 71% of homes are owner-occupied. Median rent is $783 a month.

At a glance
Lower income
below the US median
US median: $66,278
Older
median age 41.3
US median: 38.8
Less educated
23% hold a bachelor's degree
US average: 33%
More affordable
home values down 8%, inflation adjusted
US median home: $265,253
Section 01

Population & growth

108,774
+10%since 2000
from 98,868 in 2000
1990 – 2025
41.3
+10%since 2000
from 37.7 in 2000
US average: 38.8
Land area
407 sq mi
Population, 19902024
91K97K102K107K112K19902000201020202024Miami County
2024110K
1990201020202024
Age distribution, 2020
Under 55.9%(6,379)
US avg: 5.6%
5 to 96.5%(7,090)
US avg: 6.1%
10 to 146.9%(7,461)
US avg: 6.5%
15 to 196.4%(6,959)
US avg: 6.6%
20 to 245.1%(5,494)
US avg: 6.7%
25 to 3411.3%(12,343)
US avg: 13.5%
35 to 4412.1%(13,165)
US avg: 12.7%
45 to 5412.6%(13,668)
US avg: 12.3%
55 to 6414%(15,219)
US avg: 13.1%
65 to 7411.2%(12,195)
US avg: 10%
75 to 846%(6,521)
US avg: 4.9%
85 and over2.1%(2,280)
US avg: 1.9%
BAR + DOT: THIS PLACE · TICK: US AVERAGE
Section 02

Income & economy

$62,347
−6%inflation adjusted, since 2000
from $44,109 in 2000
US average: $66,278
1990 – 2024
$31,170
+44%since 2000
from $21,669 in 2000
US average: $35,364
Households earning $100K+
40.5%
+9.4 ptssince 2009
from 31.1% in 2009
US average: 43.9%
8.5%
+1.7 ptssince 2000
from 6.7% in 2000
US average: 12.8%
Workforce by industry, 2020
Retail trade26.6%
US avg: 10%
Information10.5%
US avg: 11.1%
Wholesale trade5.2%
US avg: 6.7%
Finance & insurance5%
US avg: 5.5%
Professional, scientific, technical4.6%
US avg: 4.7%
Other services3.3%
US avg: 6.6%
Public administration2.4%
US avg: 4.7%
Transportation & warehousing2%
US avg: 2.5%
Arts, entertainment, food1.6%
US avg: 2%
Agriculture, forestry, fishing1.1%
US avg: 1.7%
Construction1.1%
US avg: 1.2%
Education & health services0.4%
US avg: 0.8%
Manufacturing0%
US avg: 0.5%
BAR + DOT: THIS PLACE · TICK: US AVERAGE
Section 03

Housing

$155,000
−8%inflation adjusted, since 2000
from $112,300 in 2000
US average: $265,253
1990 – 2024
$783
Unchangedinflation adjusted, since 2000
from $522 in 2000
US average: $1,124
70.5%
−1.8 ptssince 2000
from 72.3% in 2000
29.5% rent
2.55 people
+1%since 2009
from 2.52 people in 2009
US average: 2.61
2.5
−7%since 2009
from 2.7 in 2009
2009 – 2024
Years of local income it takes to buy a local home, on a scale of about 0 to 15. Lower is more affordable.
Section 04

Race & ethnicity

2000
White, non-Hispanic95.3%(94,262)
Black1.9%(1,923)
Hispanic / Latino0.7%(721)
Asian0.8%(770)
Other0%
2020
White, non-Hispanic89.1%(96,964)
Black2.4%(2,559)
Hispanic / Latino2%(2,199)
Asian1.5%(1,644)
Other3%(3,226)
25
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%(1,043)
Honduran0.1%(120)
Ecuadorian0.1%(120)
Dominican0.1%(111)
Puerto Rican0.1%(92)
Cuban0.1%(86)
Spaniard0.1%(71)
Colombian0%(51)
+ 3 more hispanic origin groups with data
Asian origin
Asian Indian0.6%(586)
Japanese0.3%(305)
Filipino0.2%(245)
Chinese0.2%(199)
Korean0.1%(79)
Thai0%(15)
Pacific Islander origin
Marshallese0.1%(63)
Chamorro0%(26)
Ancestry
German29.5%(31,271)
Irish12%(12,710)
English9.7%(10,301)
American8.9%(9,418)
French3.9%(4,087)
Italian2.9%(3,079)
Scottish2.1%(2,193)
Dutch1.6%(1,688)
Polish1.5%(1,624)
Welsh1%(1,076)
Scotch-Irish0.8%(870)
Hungarian0.7%(771)
+ 35 more ancestry groups with data
British0.6%(671)
Swedish0.5%(517)
Swiss0.4%(445)
Norwegian0.3%(320)
Czech0.2%(225)
Turkish0.2%(202)
Greek0.2%(187)
Russian0.2%(178)
Slovak0.2%(165)
West Indian0.1%(134)
Jamaican0.1%(126)
Canadian0.1%(118)
Lithuanian0.1%(105)
Austrian0.1%(99)
Danish0.1%(95)
Croatian0.1%(82)
Macedonian0.1%(62)
Finnish0.1%(61)
Brazilian0%(52)
Ethiopian0%(49)
Nigerian0%(43)
Ukrainian0%(31)
Slovene0%(28)
Lebanese0%(25)
Romanian0%(23)
Syrian0%(18)
Iranian0%(17)
Belgian0%(15)
Arab0%(14)
Section 05

Education

22.6%
+6.3 ptssince 2000
from 16.3% in 2000
US average: 32.9%
High school or higher
91.9%
+9.2 ptssince 2000
from 82.7% in 2000
US average: 88.5%
8.4%
+3.1 ptssince 2000
from 5.4% in 2000
US average: 12.7%
Section 06

Commute & transportation

21.5 min
+65%since 2000
from 13.0 min in 2000
US average: 26.9
84.4%
−1.0 ptssince 2009
from 85.4% in 2009
US average: 75.1%
4.5%
−1.1 ptssince 2009
from 5.7% in 2009
US average: 8.4%
Section 07

Work & employment

4.2%
−3.1 ptssince 2011
from 7.2% in 2011
US average: 5.4%
63.6%
−1.9 ptssince 2011
from 65.4% in 2011
US average: 63.4%
Women 20-64 in the labor force
74.4%
US average: 73.3%
34.3%
+3.4 ptssince 2009
from 30.9% in 2009
US average: 39.3%
Section 08

People & community

49.5%
+0.3 ptssince 2009
from 49.2% in 2009
50.5%
−0.3 ptssince 2009
from 50.8% in 2009
2.2%
+0.7 ptssince 2009
from 1.6% in 2009
US average: 13.5%
5.1%
−5.6 ptssince 2013
from 10.7% in 2013
US average: 8.8%
Computer in household
91.7%
US average: 91.9%
87.2%
US average: 86.2%
Marital status (2024)
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
Section 09

Health coverage

5.1%
−5.6 ptssince 2013
from 10.7% in 2013
US average: 8.8%
62.3%
US average: 55.4%
Direct-purchase
12.8%
US average: 13.7%
20.4%
US average: 17.6%
16.6%
US average: 20.0%
VA health care
2.5%
US average: 2.3%
Any private
74.5%
US average: 68.1%
Any public
35.2%
US average: 35.2%

Shares are "alone or in combination": a person with both Medicare and Medicaid counts in each, so categories overlap and do not sum to 100%.

Section 09 · Service history

Veterans

Veterans by period of service, 2020
Gulf War (2001 or later)15.9%(1,160)
US avg: 20.6%
Gulf War (1990s)24.6%(1,795)
US avg: 21.4%
Vietnam era32.1%(2,344)
US avg: 35.2%
Korean War6%(441)
US avg: 7.6%
World War II3.6%(261)
US avg: 2.9%

Share of the 7,311 veterans here. A veteran who served across eras counts in each, so shares can total more than 100%. Peacetime-only service is included in the total but not shown as an era.

BAR + DOT: THIS PLACE · TICK: US AVERAGE
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Frequently asked

How many people live in Miami County, Ohio?

Miami County, Ohio has about 108,774 residents according to the 2020 American Community Survey.

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

The typical household in Miami County, Ohio earns about $62,347 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 $155,000, and the typical rent is about $783 a month.

How educated are people in Miami County, Ohio?

About 22.6% 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 8.5% 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 15,592 residents, a change of about 17 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 →