Delaware County, Indiana Population 2026
Updated April 2026 · US Census ACS 2023 5-Year Estimates · 16th-largest in Indiana
The population of Delaware County, Indiana is 112,109 as of the 2023 American Community Survey, making it the 16th-largest county in Indiana. The median household income is $56,932, the median home value is $127,600, and the median age is 35.7.
The population of Delaware County has declined 4.0% since 2010 (117,671 → 112,951), a -0.29% annualized rate.
112,109
Population
-0.29%
Annual growth
286
People / sq mi
$56,932
Median Income
$127,600
Median Home Value
Delaware County covers 392 sq mi of land at 285.9 people per square mile.
About Delaware County, IN
Delaware County skews on age — the median resident is 35.7, younger than the national median. Delaware County is a county in Indiana with a population of 112,109. It ranks #16 among counties in Indiana by population.
Household earnings are middling, with a median of $56,932 — below the US median of $78,538. About 11.2% of residents live below the federal poverty level, below the national 12.4%. Property is affordable here, the median home worth $127,600, with typical rent around $874.
25.7% of adults 25 and older hold a bachelor’s degree, below the national average of 35.0%. Remote work is below the national 14.0% at 6.0%, and the average commute runs about 22 minutes each way.
Delaware County Population History (2010-2024)
The county of Delaware County had a population of 117,671 in 2010 and 112,951 in 2024, a -4.0% growth over 14 years. The peak was 117,914 in 2011. Average annual growth rate: -0.29%.
112,951
Population (2024)
117,671
Population (2010)
117,914
Peak (2011)
-0.29%
Avg Annual Growth
| Year | Population |
|---|---|
| 2010 | 117,671 |
| 2011 | 117,914 |
| 2012 | 117,053 |
| 2013 | 116,867 |
| 2014 | 116,528 |
| 2015 | 115,814 |
| 2016 | 115,696 |
| 2017 | 115,268 |
| 2018 | 114,118 |
| 2019 | 113,769 |
| 2020 | 111,757 |
| 2021 | 112,059 |
| 2022 | 112,183 |
| 2023 | 112,448 |
| 2024 | 112,951 |
Race & Ethnicity
| White | 86.3% |
| Black or African American | 5.3% |
| Asian | 0.0% |
| Hispanic or Latino (any race) | 2.3% |
| Two or More Races | 0.0% |
Age & Sex
35.7
Median Age
51.7%
Female
48.3%
Male
17.4%
Age 65+
Age Distribution
Children (under 15): 15.0% · Seniors (65+): 17.4%
Income & Poverty
| Median household income | $56,932$-13,119 vs state |
| Mean household income | $71,257 |
| Per-capita income | $30,037 |
| Poverty rate | 11.2%+2.8% vs state |
| Unemployment rate | 3.7% |
| Employment-to-population | 56.0% |
Top Industries by Employment
The largest employment sector in Delaware County is professional & business services, accounting for 28.7% of workers.
How residents commute
1.1%
Drive alone
3.7%
Carpool
77.3%
Public transit
6.0%
Work from home
22.1 min
Avg commute
Housing
$127,600$-74,000 vs state
Median home value
$874
Median rent
66.5%
Homeownership rate
51,611
Total housing units
89.4%
Occupied
10.6%
Vacant
33.5%
Renter-occupied
Social & access
92.8%
With health insurance
94.1%
With broadband internet
20.1%
Foreign-born
5.8%
Veterans (18+)
19.1%
With a disability
96.6%
Speak language other than English at home
Education
90.9%
High School+
25.7%
Bachelor's+
Largest cities in Indiana
Other counties in Indiana
Part of Indiana
Metro areas in Indiana
County rankings
Frequently Asked Questions
Delaware County, Indiana has a population of 112,109 according to the US Census Bureau's 2023 American Community Survey 5-year estimates, making it the 16th-largest county in Indiana. Population density is 286 people per square mile.
The population of Delaware County has declined 4.0% since 2010 (117,671 → 112,951), a -0.29% annualized rate.
The median household income in Delaware County, Indiana is $56,932, with mean (average) household income of $71,257 and per-capita income of $30,037. 11.2% of residents live below the federal poverty level.
In Delaware County, the largest racial and ethnic groups are White (86.3%), Black or African American (5.3%), Hispanic or Latino (2.3%). Figures are from the US Census Bureau's 2023 ACS 5-year estimates and reflect self-reported responses.
The median age in Delaware County, Indiana is 35.7 years. Residents are 51.7% female and 48.3% male.
The median home value in Delaware County is $127,600 and median monthly rent is $874. 66.5% of occupied housing units are owner-occupied. The county has 51,611 total housing units, 10.6% of which are vacant.
The largest employment sector in Delaware County, Indiana is professional, scientific, and management services, employing 28.7% of workers. The unemployment rate is 3.7%.
Indianapolis is among the largest cities associated with Delaware County, Indiana, with a population of 882,043.
Delaware County, IN Climate
Delaware County, IN has an average annual temperature of 10.4°C (51°F) and receives about 963 mm of precipitation per year. The warmest month is July and the coldest is January. Figures are 1970–2000 climate normals.
10.4°C
Avg Temp
963
Precip (mm/yr)
Jul
Hottest Month
Jan
Coldest Month
| Month | Avg (°C/°F) | Precip |
|---|---|---|
| January | -4° / 24° | 52 mm |
| February | -2° / 28° | 54 mm |
| March | 4° / 39° | 85 mm |
| April | 10° / 50° | 94 mm |
| May | 16° / 61° | 98 mm |
| June | 21° / 70° | 97 mm |
| July | 23° / 74° | 97 mm |
| August | 22° / 72° | 90 mm |
| September | 19° / 65° | 75 mm |
| October | 12° / 53° | 65 mm |
| November | 5° / 42° | 79 mm |
| December | -1° / 30° | 77 mm |
1970–2000 normals from WorldClim 2.1 (~9 km grid). Precipitation can be less precise near mountains or coastlines, where rainfall varies sharply over short distances.
Best time to visit Delaware County, IN
The most comfortable months to visit Delaware County, IN are typically June, August and September, when temperatures are mildest and rainfall is relatively low. The hottest month is July (around 29°C high). The coldest is January (near -9°C low). May is usually the wettest month.
Where to stay near Delaware County
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Statewide data for Indiana
Population, race, income, age, and trends across Indiana
Data from the American Community Survey (ACS) 5-Year estimates.
Source: U.S. Census Bureau ACS, 2026.