Porter County, Indiana Population 2026
Updated April 2026 · US Census ACS 2023 5-Year Estimates · 10th-largest in Indiana
The population of Porter County, Indiana is 174,150 as of the 2023 American Community Survey, making it the 10th-largest county in Indiana. The median household income is $85,828, the median home value is $261,900, and the median age is 40.6.
The population of Porter County has grown 6.9% since 2010 (164,492 → 175,860), a +0.48% annualized rate.
174,150
Population
+0.48%
Annual growth
417
People / sq mi
$85,828
Median Income
$261,900
Median Home Value
Porter County covers 418 sq mi of land at 416.5 people per square mile.
About Porter County, IN
What sets Porter County apart is money: median household income runs $85,828, above the US median of $78,538. With 174,150 residents, Porter County is a county in Indiana. It is the #10-largest of all counties in Indiana nationally.
Median household income is $85,828, above the US median of $78,538. About 7.2% of residents live below the federal poverty level, below the national 12.4%. The median home value is $261,900, with typical rent around $1,146.
About 30.1% of adults 25 and older have a bachelor’s degree, below the 35.0% national figure. Remote work is below the national 14.0% at 8.7%, and the average commute runs about 28 minutes each way.
Taken together, the income and housing figures place Porter County firmly in the higher-cost, higher-earning tier of US counties — a profile that tends to track dense job markets and competitive housing.
Porter County Population History (2010-2024)
The county of Porter County had a population of 164,492 in 2010 and 175,860 in 2024, a 6.9% growth over 14 years. The peak was 175,860 in 2024. Average annual growth rate: 0.48%.
175,860
Population (2024)
164,492
Population (2010)
175,860
Peak (2024)
0.48%
Avg Annual Growth
| Year | Population |
|---|---|
| 2010 | 164,492 |
| 2011 | 165,535 |
| 2012 | 165,742 |
| 2013 | 166,538 |
| 2014 | 167,242 |
| 2015 | 167,439 |
| 2016 | 167,616 |
| 2017 | 168,568 |
| 2018 | 169,647 |
| 2019 | 170,599 |
| 2020 | 173,338 |
| 2021 | 174,591 |
| 2022 | 175,014 |
| 2023 | 175,289 |
| 2024 | 175,860 |
Race & Ethnicity
| White | 85.1% |
| Black or African American | 4.2% |
| Asian | 0.0% |
| Hispanic or Latino (any race) | 0.9% |
| Two or More Races | 0.0% |
Age & Sex
40.6
Median Age
50.5%
Female
49.5%
Male
17.7%
Age 65+
Age Distribution
Children (under 15): 17.6% · Seniors (65+): 17.7%
Income & Poverty
| Median household income | $85,828+$15,777 vs state |
| Mean household income | $107,336 |
| Per-capita income | $42,814 |
| Poverty rate | 7.2%-1.2% vs state |
| Unemployment rate | 2.8% |
| Employment-to-population | 59.6% |
Top Industries by Employment
The largest employment sector in Porter County is professional & business services, accounting for 22.8% of workers.
How residents commute
0.6%
Drive alone
1.0%
Carpool
81.8%
Public transit
8.7%
Work from home
28.3 min
Avg commute
Housing
$261,900+$60,300 vs state
Median home value
$1,146
Median rent
77.2%
Homeownership rate
72,102
Total housing units
94.4%
Occupied
5.6%
Vacant
22.8%
Renter-occupied
Social & access
95.2%
With health insurance
96.0%
With broadband internet
29.9%
Foreign-born
6.5%
Veterans (18+)
11.5%
With a disability
93.8%
Speak language other than English at home
Education
93.8%
High School+
30.1%
Bachelor's+
Largest cities in Indiana
Other counties in Indiana
Part of Indiana
Metro areas in Indiana
County rankings
Frequently Asked Questions
Porter County, Indiana has a population of 174,150 according to the US Census Bureau's 2023 American Community Survey 5-year estimates, making it the 10th-largest county in Indiana. Population density is 417 people per square mile.
The population of Porter County has grown 6.9% since 2010 (164,492 → 175,860), a +0.48% annualized rate.
The median household income in Porter County, Indiana is $85,828, with mean (average) household income of $107,336 and per-capita income of $42,814. 7.2% of residents live below the federal poverty level.
In Porter County, the largest racial and ethnic groups are White (85.1%), Black or African American (4.2%), Hispanic or Latino (0.9%). Figures are from the US Census Bureau's 2023 ACS 5-year estimates and reflect self-reported responses.
The median age in Porter County, Indiana is 40.6 years. Residents are 50.5% female and 49.5% male.
The median home value in Porter County is $261,900 and median monthly rent is $1,146. 77.2% of occupied housing units are owner-occupied. The county has 72,102 total housing units, 5.6% of which are vacant.
The largest employment sector in Porter County, Indiana is professional, scientific, and management services, employing 22.8% of workers. The unemployment rate is 2.8%.
Indianapolis is among the largest cities associated with Porter County, Indiana, with a population of 882,043.
Porter County, IN Climate
Porter County, IN has an average annual temperature of 9.5°C (49°F) and receives about 978 mm of precipitation per year. The warmest month is July and the coldest is January. Figures are 1970–2000 climate normals.
9.5°C
Avg Temp
978
Precip (mm/yr)
Jul
Hottest Month
Jan
Coldest Month
| Month | Avg (°C/°F) | Precip |
|---|---|---|
| January | -5° / 23° | 49 mm |
| February | -3° / 27° | 40 mm |
| March | 3° / 37° | 70 mm |
| April | 9° / 48° | 94 mm |
| May | 15° / 59° | 95 mm |
| June | 20° / 68° | 110 mm |
| July | 23° / 73° | 96 mm |
| August | 22° / 71° | 96 mm |
| September | 18° / 64° | 96 mm |
| October | 11° / 52° | 77 mm |
| November | 5° / 40° | 86 mm |
| December | -2° / 28° | 69 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 Porter County, IN
The most comfortable months to visit Porter County, IN are typically August, June and July, 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). June is usually the wettest month.
Where to stay near Porter County
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Data from the American Community Survey (ACS) 5-Year estimates.
Source: U.S. Census Bureau ACS, 2026.