Township · Indiana
Clay Township, St. Joseph County, Indiana
Clay Township, St. Joseph County, township, in St. Joseph County, Indiana. Clay Township, St. Joseph County had 34,221 residents on July 1, 2025 by the Census Bureau's estimate, up 0.1% since 2020; the 2020 Census counted 34,235 and the ACS 2020-2024 5-year estimates put it at 34,246 (±29). GEOID 1814113222.
Residents, July 2025 estimate
34,221
Census Bureau estimate (no margin published)
2020 Census count: 34,235 · ACS 2020-2024: 34,246 ±29
Median household income
$72,406
±$3,600 (90% margin)
Indiana: $71,957
Median home value
$226,400
±$8,338 (90% margin)
Indiana: $218,200
Median gross rent
$1,132
±$54 (90% margin)
Indiana: $1,062
Where is Clay Township, St. Joseph County and what county is it in?
Clay Township, St. Joseph County is a township in St. Joseph County, Indiana. It covers 19.8 square miles of land, 1,729 residents per square mile in 2020.
3 places lie inside Clay Township (St. Joseph County): Notre Dame (CDP, 7,234 in 2020), Roseland (town, 854 in 2020) and Indian Village (town, 118 in 2020). Part of South Bend (city), Mishawaka (city) and Granger (CDP) also lie in it.
Clay Township, St. Joseph County is in the South Bend-Mishawaka, IN-MI metropolitan statistical area, which takes in 2 counties (Census Bureau delineation, July 2023).
Source: 2024 Gazetteer and 2020 place-by-county files, U.S. Census Bureau · Census reference files
How many people live in Clay Township, St. Joseph County, and is it growing?
The Census Bureau estimates that 34,221 people lived in Clay Township, St. Joseph County on July 1, 2025, up 0.1% since 2020, slower than Indiana (+2.8%). The 2020 Census counted 34,235 residents. The 2020-2024 American Community Survey, a five-year sample, puts the population at 34,246 (±29).
| Measure | Clay Township, St. Joseph County | St. Joseph County | Change since 2015-2019 |
|---|---|---|---|
| Total population | 34,246±29 | 273,040 | +598 |
| Households | 14,931±554 | 107,252 | +1,364 |
| Average household size | 2.15±0.08 | 2.44 | −0.14 |
| Housing units | 16,803±551 | 118,580 | +980 |
Clay Township, St. Joseph County's population since 2000
From 39,145 in 2000 to 34,221 in 2025: down 12.6%. The 2000, 2010 and 2020 figures are census counts, each for Clay Township, St. Joseph County as it was drawn that year: a place that annexed land, or a community that has since incorporated, covered a different area then. The 2005 figure is the Census Bureau's intercensal estimate, revised to fit the 2000 and 2010 counts and drawn on 2010 boundaries; 2015 and 2025 are July 1 estimates made from the census before them.
Source: The 2000, 2010 and 2020 Census counts and the Census Bureau's population estimates (intercensal 2000-2010, Vintage 2020, Vintage 2025) · Census population estimates
Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026); Census PEP Vintage 2025 (SUB-EST2025, CO-EST2025); 2020 Census P.L. 94-171 · Check it at data.census.gov
Who lives in Clay Township, St. Joseph County?
The median resident of Clay Township, St. Joseph County is 39.6 years old; 16.4% are under 18 and 20.6% are 65 or older. The largest group is non-Hispanic white residents at 74.1%, then non-Hispanic Black residents at 12.5%. 9.4% of residents were born outside the United States.
| Measure | Clay Township, St. Joseph County | St. Joseph County | Change since 2015-2019 |
|---|---|---|---|
| Median age | 39.6±1.9 | 36.7 | no clear change |
| Under 18 years | 16.4%±1.4 pts | 23.2% | – |
| 65 years and over | 20.6%±1.6 pts | 16.9% | – |
| Male | 49.1%±1.8 pts | 48.8% | – |
| Hispanic or Latino (any race) | 3.8%±0.8 pts | 10.5% | no clear change |
| White alone, not Hispanic | 74.1%±2.5 pts | 68.9% | −4.3 pts |
| Black or African American alone, not Hispanic | 12.5%±2.3 pts | 12.3% | no clear change |
| Asian alone, not Hispanic | 5.5%±1.1 pts | 2.7% | +1.6 pts |
| American Indian and Alaska Native alone, not Hispanic | 0.1%±0.1 pts | 0.1% | – |
| Native Hawaiian and Other Pacific Islander alone, not Hispanic | 0.0%±0.1 pts | 0.1% | – |
| Two or more races, not Hispanic | 3.6%±1.1 pts | 4.9% | – |
| Some other race alone, not Hispanic | 0.3%±0.3 pts | 0.4% | – |
| Born outside the United States | 9.4%±1.3 pts | 6.9% | no clear change |
| Speak a language other than English at home (age 5+) | 9.4%±1.3 pts | 11.1% | – |
| Civilian veterans (age 18+) | 6.8%±1.0 pts | 5.5% | – |
| With a disability | 12.7%±1.5 pts | 13.4% | – |
| No health insurance coverage | 6.6%±1.8 pts | 7.1% | no clear change |
| High school graduate or higher (age 25+) | 93.5%±1.9 pts | 91.5% | – |
| Bachelor's degree or higher (age 25+) | 42.6%±2.9 pts | 33.5% | no clear change |
| Graduate or professional degree (age 25+) | 20.1%±2.2 pts | 13.4% | – |
| Lived in the same house a year earlier | 83.0%±2.2 pts | 87.4% | – |
| Moved from another state in the past year | 4.8%±1.0 pts | 3.4% | – |
Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) (Data Profiles DP02, DP05) · Check it at data.census.gov
What do households in Clay Township, St. Joseph County earn?
Half of Clay Township, St. Joseph County's 14,931 households earn less than $72,406 a year (±$3,600), against $66,868 in St. Joseph County and $71,957 in Indiana. In 2015-2019 it was $74,143 in 2024 dollars; the margins of error cannot tell the two periods apart. 9.8% of residents live below the poverty line.
| Measure | Clay Township, St. Joseph County | St. Joseph County | Change since 2015-2019 |
|---|---|---|---|
| Median household income | $72,406±$3,600 | $66,868 | no clear change |
| Mean household income | $99,165±$3,934 | $92,212 | – |
| Per capita income | $43,698±$2,200 | $36,834 | no clear change |
| People below the poverty line | 9.8%±1.8 pts | 14.2% | no clear change |
| Children under 18 below the poverty line | 8.9%±4.0 pts | 19.7% | no clear change |
| Households receiving SNAP | 5.7%±2.1 pts | 9.8% | – |
| Households with a computer | 96.7%±1.4 pts | 95.1% | – |
| Households with a broadband subscription | 89.5%±2.9 pts | 90.3% | – |
Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) (Data Profile DP03) · Check it at data.census.gov
What does housing cost in Clay Township, St. Joseph County?
Owners occupy 66.5% of Clay Township, St. Joseph County's occupied homes and renters 33.5%. The median owner-occupied home is valued at $226,400 by its owner (±$8,338). The median renter pays $1,132 a month including utilities, and 41.3% of renters pay 35% or more of their income on rent.
| Measure | Clay Township, St. Joseph County | St. Joseph County | Change since 2015-2019 |
|---|---|---|---|
| Median home value (owner-occupied) | $226,400±$8,338 | $192,800 | +$35,889 |
| Median gross rent | $1,132±$54 | $1,062 | +$109 |
| Renters paying 35% or more of income on rent | 41.3%±5.7 pts | 39.9% | no clear change |
| Median monthly owner costs, with a mortgage | $1,412±$70 | $1,291 | – |
| Owner-occupied homes | 66.5%±2.8 pts | 69.0% | no clear change |
| Renter-occupied homes | 33.5%±2.8 pts | 31.0% | – |
| Housing units | 16,803±551 | 118,580 | +980 |
| Homeowner vacancy rate | 1.0%±0.8 pts | 0.7% | – |
| Rental vacancy rate | 8.5%±3.1 pts | 6.1% | – |
| Single-family detached homes | 63.3%±2.5 pts | 73.8% | – |
| Mobile homes | 3.1%±1.0 pts | 1.6% | – |
| Built 2020 or later | 1.9%±0.9 pts | 1.0% | – |
| Built 2010 to 2019 | 7.2%±1.4 pts | 5.6% | – |
| Built 1939 or earlier | 5.9%±1.5 pts | 19.3% | – |
| Households with no vehicle | 5.6%±1.4 pts | 6.7% | – |
Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) (Data Profile DP04) · Check it at data.census.gov
How do people in Clay Township, St. Joseph County work and get to work?
73.7% of Clay Township, St. Joseph County's workers drive alone and 12.3% work from home. The average trip to work takes 19.7 minutes. The unemployment rate in 2020-2024 averaged 5.4%.
| Measure | Clay Township, St. Joseph County | St. Joseph County | Change since 2015-2019 |
|---|---|---|---|
| In the labor force (age 16+) | 64.2%±2.1 pts | 63.3% | – |
| Unemployment rate | 5.4%±2.2 pts | 5.2% | no clear change |
| Drove alone to work | 73.7%±3.2 pts | 74.7% | – |
| Carpooled | 6.0%±1.7 pts | 8.5% | – |
| Public transportation | 1.1%±0.5 pts | 1.0% | – |
| Walked | 4.7%±1.0 pts | 3.3% | – |
| Worked from home | 12.3%±2.5 pts | 10.7% | +7.7 pts |
| Mean travel time to work | 19.7 min±0.9 | 21.1 min | no clear change |
Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) (Data Profile DP03) · Check it at data.census.gov
What census tracts are in Clay Township, St. Joseph County?
9 census tracts lie mostly in Clay Township, St. Joseph County, and 3 more reach into it (2020 census blocks). Their median household incomes run from $43,000 (Tract 112.03) to $125,417 (Tract 113.04).
| Tract | Residents, 2020-2024 | Median household income |
|---|---|---|
| Tract 112.03St. Joseph County | 9,824 | $43,000 |
| Tract 113.03St. Joseph County | 6,214 | $62,349 |
| Tract 113.05St. Joseph County | 4,466 | $109,706 |
| Tract 113.08St. Joseph County | 4,168 | $88,998 |
| Tract 113.06St. Joseph County | 3,165 | $108,704 |
| Tract 113.07St. Joseph County | 2,920 | $75,913 |
| Tract 113.10St. Joseph County | 2,668 | $63,750 |
| Tract 113.09St. Joseph County | 2,522 | $52,068 |
| Tract 113.04St. Joseph County | 2,461 | $125,417 |
| Tract 115.01St. Joseph County | 3,969 | $35,792 |
| Tract 115.05St. Joseph County | 3,787 | $65,938 |
| Tract 115.06St. Joseph County | 5,024 | $41,585 |
Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026); 2020 block assignment files (tract share = share of the tract's census blocks in Clay Township, St. Joseph County) · Census block assignment files
How does Clay Township, St. Joseph County compare with other places in Indiana?
By the Census Bureau's July 2025 estimates, Clay Township, St. Joseph County is the 293rd-most populous of the 16,079 U.S. towns and townships that have one and the 53rd-most populous of 1,001 in Indiana.
Clay Township, St. Joseph County ranks 524th of 1,072 places in Indiana with 1,000 or more residents and a reliable estimate, by median household income.
| Measure | Rank | Of |
|---|---|---|
| Population, July 2025 estimate | 53rd | 1,001 |
| Growth 2020-2025 (PEP) | 735th | 1,056 |
| Residents per square mile | 129th | 1,088 |
| Median household income | 524th | 1,072 |
| Per capita income | 191st | 1,087 |
| Median home value | 362nd | 1,075 |
| Median gross rent | 175th | 904 |
| Poverty rate | 442nd | 736 |
| Bachelor's degree or higher | 61st | 1,029 |
| Median age | 605th | 1,083 |
| Owner-occupied share | 907th | 1,087 |
| Work from home | 161st | 595 |
| Travel time to work | 950th | 1,088 |
Clay Township, St. Joseph County's figures with every place in Indiana (CSV)
Every place in Indiana, sortable · Compare Clay Township, St. Joseph County with other places
Source: PlainCities ranks computed from the American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) and PEP Vintage 2025 · How ranks are computed
How reliable are the figures for Clay Township, St. Joseph County?
4 of the 57 figures for Clay Township, St. Joseph County on this page carry a coefficient of variation over 40% and are marked with a ring: they come from a small sample, so read them as rough.
The American Community Survey samples about one household in eight over five years, so every figure is an estimate with a 90% margin of error (shown under each value). A ring marks an estimate whose coefficient of variation is over 40%. A change is called only when the gap between the two periods is larger than their combined 90% margin (the square root of the sum of the two squared margins), the Census Bureau's test. How to read a margin of error.
Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026): margins of error as published · ACS technical documentation
How these figures are made: methodology and release checks · reading a margin of error · every state · corrections
Not on this page: crime, weather and schools for Clay Township, St. Joseph County are other agencies' records. Crime: the FBI's Crime Data Explorer · climate: NOAA's U.S. Climate Normals · schools: the National Center for Education Statistics' school search.