City · Iowa
Hopkinton, Iowa
Hopkinton, city, in Delaware County, Iowa. Hopkinton had 618 residents on July 1, 2025 by the Census Bureau's estimate, down 0.2% since 2020; the 2020 Census counted 622 and the ACS 2020-2024 5-year estimates put it at 676 (±195). GEOID 1937155.
Residents, July 2025 estimate
618
Census Bureau estimate (no margin published)
2020 Census count: 622 · ACS 2020-2024: 676 ±195
Median household income
$71,563
±$17,039 (90% margin)
Iowa: $75,059
Median home value
$127,400
±$18,604 (90% margin)
Iowa: $208,000
Median gross rent
$441
±$169 (90% margin)
Iowa: $972
Where is Hopkinton and what county is it in?
Hopkinton is a city in Delaware County, Iowa. It covers 0.6 square miles of land, 969 residents per square mile in 2020.
Source: 2024 Gazetteer and 2020 place-by-county files, U.S. Census Bureau · Census reference files
How many people live in Hopkinton, and is it growing?
The Census Bureau estimates that 618 people lived in Hopkinton on July 1, 2025, down 0.2% since 2020, while Iowa grew 1.5%. The 2020 Census counted 622 residents. The 2020-2024 American Community Survey, a five-year sample, puts the population at 676 (±195).
| Measure | Hopkinton | Delaware County | Change since 2015-2019 |
|---|---|---|---|
| Total population | 676 ±195 | 17,558 | no clear change |
| Households | 271 ±65 | 7,369 | no clear change |
| Average household size | 2.49 ±0.42 | 2.35 | no clear change |
| Housing units | 288 ±66 | 8,169 | no clear change |
Hopkinton's population since 2000
From 681 in 2000 to 618 in 2025: down 9.3%. The 2000, 2010 and 2020 figures are census counts, each for Hopkinton 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 Hopkinton?
The median resident of Hopkinton is 40.1 years old; 28.3% are under 18 and 15.5% are 65 or older. The largest group is non-Hispanic white residents at 89.8%, then non-Hispanic residents of two or more races at 6.5%.
| Measure | Hopkinton | Delaware County | Change since 2015-2019 |
|---|---|---|---|
| Median age | 40.1 ±5.7 | 43.4 | no clear change |
| Under 18 years | 28.3% ±5.7 pts | 23.3% | – |
| 65 years and over | 15.5% ±6.1 pts | 21.6% | – |
| Male | 51.8% ±7.7 pts | 51.1% | – |
| Hispanic or Latino (any race) | 3.7% ±6.0 pts | 1.7% | – |
| White alone, not Hispanic | 89.8% ±8.5 pts | 94.1% | no clear change |
| Black or African American alone, not Hispanic | 0.0% ±3.6 pts | 0.1% | – |
| Asian alone, not Hispanic | 0.0% ±3.6 pts | 0.0% | – |
| American Indian and Alaska Native alone, not Hispanic | 0.0% ±3.6 pts | 0.1% | – |
| Native Hawaiian and Other Pacific Islander alone, not Hispanic | 0.0% ±3.6 pts | 0.0% | – |
| Two or more races, not Hispanic | 6.5% ±6.6 pts | 3.7% | – |
| Some other race alone, not Hispanic | 0.0% ±3.6 pts | 0.3% | – |
| Born outside the United States | 0.0% ±3.6 pts | 0.3% | – |
| Speak a language other than English at home (age 5+) | 2.8% ±2.8 pts | 2.4% | – |
| Civilian veterans (age 18+) | 7.2% ±4.4 pts | 6.3% | – |
| With a disability | 12.9% ±4.8 pts | 15.1% | – |
| No health insurance coverage | 3.6% ±2.2 pts | 3.3% | – |
| High school graduate or higher (age 25+) | 89.6% ±6.7 pts | 93.7% | – |
| Bachelor's degree or higher (age 25+) | 9.3% ±5.7 pts | 22.6% | no clear change |
| Graduate or professional degree (age 25+) | 1.6% ±2.0 pts | 6.5% | – |
| Lived in the same house a year earlier | 89.9% ±5.7 pts | 93.4% | – |
| Moved from another state in the past year | 3.4% ±3.1 pts | 0.8% | – |
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 Hopkinton earn?
Half of Hopkinton's 271 households earn less than $71,563 a year (±$17,039), against $74,989 in Delaware County and $75,059 in Iowa. In 2015-2019 it was $72,457 in 2024 dollars; the margins of error cannot tell the two periods apart. 10.8% of residents live below the poverty line.
| Measure | Hopkinton | Delaware County | Change since 2015-2019 |
|---|---|---|---|
| Median household income | $71,563 ±$17,039 | $74,989 | no clear change |
| Mean household income | $74,467 ±$12,973 | $96,512 | – |
| Per capita income | $30,523 ±$4,538 | $41,445 | no clear change |
| People below the poverty line | 10.8% ±6.9 pts | 7.8% | – |
| Children under 18 below the poverty line | 13.1% ±12.7 pts | 5.6% | – |
| Households receiving SNAP | 14.0% ±7.1 pts | 8.5% | – |
| Households with a computer | 88.9% ±6.5 pts | 90.2% | – |
| Households with a broadband subscription | 83.4% ±7.0 pts | 85.9% | – |
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 Hopkinton?
Owners occupy 80.1% of Hopkinton's occupied homes and renters 19.9%. The median owner-occupied home is valued at $127,400 by its owner (±$18,604). The median renter pays $441 a month including utilities.
| Measure | Hopkinton | Delaware County | Change since 2015-2019 |
|---|---|---|---|
| Median home value (owner-occupied) | $127,400 ±$18,604 | $177,900 | +$24,391 |
| Median gross rent | $441 ±$169 | $764 | no clear change |
| Renters paying 35% or more of income on rent | 30.0% ±22.6 pts | 36.8% | – |
| Median monthly owner costs, with a mortgage | $1,246 ±$180 | $1,517 | – |
| Owner-occupied homes | 80.1% ±9.3 pts | 79.6% | no clear change |
| Renter-occupied homes | 19.9% ±9.3 pts | 20.4% | – |
| Housing units | 288 ±66 | 8,169 | no clear change |
| Homeowner vacancy rate | 2.3% ±4.3 pts | 1.0% | – |
| Rental vacancy rate | 0.0% ±35.0 pts | 0.5% | – |
| Single-family detached homes | 80.2% ±9.2 pts | 85.7% | – |
| Mobile homes | 8.7% ±6.0 pts | 2.9% | – |
| Built 2020 or later | 0.0% ±8.3 pts | 1.5% | – |
| Built 2010 to 2019 | 1.0% ±1.7 pts | 5.4% | – |
| Built 1939 or earlier | 48.6% ±10.8 pts | 31.7% | – |
| Households with no vehicle | 7.4% ±5.4 pts | 8.5% | – |
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 many new homes is Hopkinton building?
Builders took permits for 1 new housing units in Hopkinton in 2025 (1 in single-family houses), 1.6 per 1,000 residents against 4.2 across Iowa.
Counts of units in permits a local office issued; not every permitted unit is built. A year marked with months was reported for part of the year.
Source: Building Permits Survey, annual place files 2019-2025, U.S. Census Bureau · Census Building Permits Survey
How do people in Hopkinton work and get to work?
72.5% of Hopkinton's workers drive alone. The average trip to work takes 22.2 minutes.
| Measure | Hopkinton | Delaware County | Change since 2015-2019 |
|---|---|---|---|
| In the labor force (age 16+) | 65.8% ±8.8 pts | 69.6% | – |
| Unemployment rate | 7.7% ±6.6 pts | 2.0% | – |
| Drove alone to work | 72.5% ±10.7 pts | 80.0% | – |
| Carpooled | 21.0% ±9.7 pts | 7.7% | – |
| Public transportation | 0.0% ±7.8 pts | 0.1% | – |
| Walked | 0.0% ±7.8 pts | 2.2% | – |
| Worked from home | 6.5% ±6.0 pts | 9.2% | – |
| Mean travel time to work | 22.2 min ±5.4 | 20.3 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 Hopkinton?
No census tract lies mostly in Hopkinton; 1 tract reaches into it (2020 census blocks).
| Tract | Residents, 2020-2024 | Median household income |
|---|---|---|
| Tract 9504Delaware County | 5,102 | $85,808 |
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 Hopkinton) · Census block assignment files
How does Hopkinton compare with other places in Iowa?
By the Census Bureau's July 2025 estimates, Hopkinton is the 12,347th-most populous of the 19,476 U.S. incorporated places that have one and the 398th-most populous of 939 in Iowa.
Hopkinton is not ranked by income or the other survey measures: those rankings include places of 1,000 or more residents (2020 Census) with a reliable estimate.
| Measure | Rank | Of |
|---|---|---|
| Population, July 2025 estimate | 398th | 939 |
Hopkinton's figures with every place in Iowa (CSV)
Every place in Iowa, sortable · Compare Hopkinton 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 Hopkinton?
23 of the 57 figures for Hopkinton 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 Hopkinton 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' public schools in Hopkinton.