Penobscot County, Maine

17 cities & places have their primary county here.

Population: 153,571
Median household income: $63,248
Median home value: $193,800

Home to 153,571 residents, Penobscot County is one of Maine's counties. 17 cities and places have their primary county here. At $63,248, its median household income sits below Maine's $71,773.

From 2019 to 2023, Penobscot County's population grew 1.2% from 151,774 to 153,571, while its median household income rose 24.5% from $50,808 to $63,248.

75.9% of workers drive to work alone. 64.4% of homes are single-family detached houses.

Demographics

ACS 2019–2023

Population: 153,571
Median age: 42.5 yrs
Median household income: $63,248
Median home value: $193,800
Median gross rent: $997
Housing units: 75,405
Homeownership rate: 70.3%
Bachelor's degree or higher: 30.5%
Unemployment rate: 4.1%

Trends

ACS 5-year · 2019–2023

Population

151,774153,571

Median household income

$50,808$63,248

Median home value

$144,700$193,800

Median gross rent

$799$997

Year	Population	Median household income	Median home value	Median gross rent
2019	151,774	$50,808	$144,700	$799
2020	151,696	$52,128	$148,300	$823
2021	152,211	$55,125	$157,100	$870
2022	152,640	$59,438	$176,700	$932
2023	153,571	$63,248	$193,800	$997

Each year is a US Census Bureau ACS 5-year estimate ending that year.

Age distribution

Under 54.4%

5 to 1713.5%

18 to 2410.0%

25 to 3412.7%

35 to 4412.1%

45 to 5412.5%

55 to 6415.0%

65 to 7412.0%

75 and over7.7%

	Count	Share
Under 5	6,718	4.4%
5 to 17	20,669	13.5%
18 to 24	15,337	10.0%
25 to 34	19,580	12.7%
35 to 44	18,643	12.1%
45 to 54	19,199	12.5%
55 to 64	23,082	15.0%
65 to 74	18,489	12.0%
75 and over	11,854	7.7%

Race & ethnicity

	Count	Share
White (non-Hispanic)	140,416	91.4%
Black or African American	1,482	1.0%
American Indian & Alaska Native	1,249	0.8%
Asian	1,657	1.1%
Native Hawaiian & Pacific Islander	71	0.0%
Some other race	871	0.6%
Two or more races	4,858	3.2%
Hispanic or Latino (any race)	2,967	1.9%

Educational attainment (age 25+)

No high school diploma5.5%

High school graduate32.4%

Some college or associate's31.6%

Bachelor's degree18.9%

Graduate or professional degree11.6%

	Count	Share
No high school diploma	6,062	5.5%
High school graduate	35,944	32.4%
Some college or associate's	35,059	31.6%
Bachelor's degree	20,953	18.9%
Graduate or professional degree	12,829	11.6%

Commute to work

Mean travel time to work: 23 min

Drove alone75.9%

Carpooled7.8%

Public transit0.5%

Walked3.6%

Bicycle0.4%

Worked from home10.6%

Other means1.2%

How workers get to work

	Count	Share
Drove alone	55,183	75.9%
Carpooled	5,700	7.8%
Public transit	336	0.5%
Walked	2,611	3.6%
Bicycle	286	0.4%
Worked from home	7,690	10.6%
Other means	908	1.2%

Travel time

	Count	Share
Under 15 min	23,008	35.4%
15 to 29 min	24,843	38.2%
30 to 44 min	9,673	14.9%
45 to 59 min	3,289	5.1%
60+ min	4,211	6.5%

Households

Average household size: 2.26
Poverty rate: 13.5% (19,846 of 146,494)

	Count	Share
Family households	37,957	58.6%
Nonfamily households	26,812	41.4%

Housing

Median year structure built: 1977

Occupancy

	Count	Share
Occupied	64,769	85.9%
Vacant	10,636	14.1%

Tenure (of occupied units)

	Count	Share
Owner-occupied	45,520	70.3%
Renter-occupied	19,249	29.7%

1-unit, detached64.4%

1-unit, attached1.9%

2 to 4 units12.6%

5 to 19 units6.5%

20 or more units3.0%

Mobile home & other11.6%

Units in structure

	Count	Share
1-unit, detached	48,591	64.4%
1-unit, attached	1,415	1.9%
2 to 4 units	9,501	12.6%
5 to 19 units	4,884	6.5%
20 or more units	2,262	3.0%
Mobile home & other	8,752	11.6%

Geography

County GEOID: 23019
State: Maine
Land area: 3,397 sq mi
Water area: 160 sq mi
Center point: 45.4093, -68.6666