Clark County vs Miami County

A side-by-side comparison of Clark County and Miami County: population, income, housing, and more.

Clark County and Miami County are counties in Ohio. This page compares them across population, income, housing, education, commuting, and how each has changed since 2019.

Clark County has the higher population (135,445 vs 109,549 in Miami County). Miami County has the higher median household income ($74,175 vs $60,846 in Clark County). Miami County has the higher median home value ($209,200 vs $155,900 in Clark County).

Population, income & housing

	Clark County	Miami County
Population	135,445	109,549
Median age	41.2 yrs	41.1 yrs
Median household income	$60,846	$74,175
Median home value	$155,900	$209,200
Median gross rent	$840	$942
Housing units	61,092	47,028
Homeownership rate	69.2%	73.4%
Bachelor's degree or higher	18.5%	24.9%
Unemployment rate	6.5%	3.6%

Trends (ACS 5-year, 2019–2023)

	Clark County	Miami County
Population	134,726 → 135,445 (+0.5%)	105,371 → 109,549 (+4.0%)
Median household income	$50,873 → $60,846 (+19.6%)	$61,041 → $74,175 (+21.5%)
Median home value	$115,500 → $155,900 (+35.0%)	$151,400 → $209,200 (+38.2%)
Median gross rent	$749 → $840 (+12.1%)	$767 → $942 (+22.8%)

Clark County

Population

134,726135,445

Median household income

$50,873$60,846

Median home value

$115,500$155,900

Median gross rent

$749$840

Miami County

Population

105,371109,549

Median household income

$61,041$74,175

Median home value

$151,400$209,200

Median gross rent

$767$942

Age & race/ethnicity

Age distribution (share)

	Clark County	Miami County
Under 5	5.8%	5.7%
5 to 17	16.8%	17.3%
18 to 24	8.3%	7.4%
25 to 34	11.9%	11.3%
35 to 44	11.3%	13.0%
45 to 54	12.2%	12.5%
55 to 64	13.7%	13.6%
65 to 74	11.8%	11.4%
75 and over	8.3%	7.8%

Race & ethnicity (share)

	Clark County	Miami County
White (non-Hispanic)	82.4%	90.5%
Black or African American	8.2%	2.0%
American Indian & Alaska Native	0.0%	0.0%
Asian	0.6%	1.7%
Native Hawaiian & Pacific Islander	0.1%	0.0%
Some other race	0.2%	0.3%
Two or more races	4.4%	3.4%
Hispanic or Latino	4.0%	2.1%

Educational attainment (age 25+)

Share of adults 25+

	Clark County	Miami County
No high school diploma	10.7%	7.2%
High school graduate	37.6%	37.9%
Some college or associate's	33.1%	30.0%
Bachelor's degree	11.5%	14.9%
Graduate or professional degree	7.0%	10.1%

Commute to work

How workers get to work (share)

	Clark County	Miami County
Drove alone	79.6%	81.1%
Carpooled	9.0%	6.8%
Public transit	0.4%	0.2%
Walked	2.0%	1.4%
Bicycle	0.1%	0.3%
Worked from home	8.3%	9.0%
Other means	0.5%	1.1%

Housing

Units in structure (share)

	Clark County	Miami County
1-unit, detached	73.8%	79.5%
1-unit, attached	6.6%	3.7%
2 to 4 units	5.8%	8.1%
5 to 19 units	5.8%	5.3%
20 or more units	4.1%	2.0%
Mobile home & other	3.9%	1.3%

Poverty & households

	Clark County	Miami County
Poverty rate	15.6%	8.6%
Average household size	2.40	2.44
Mean commute (minutes)	23	21
Median year structure built	1963	1970