Population 1,959 · Census ACS 2020–24
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Median age by neighborhoodHistory and comparison ↓︎
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Population and households in Colchester
Household size in Colchester
| Period | Colchester | Illinois | U.S. |
|---|---|---|---|
| 2006–10 | 2.14 | 2.69 | 2.68 |
| 2010–14 | 2.40 | 2.71 | 2.73 |
| 2015–19 | 2.30 | 2.66 | 2.71 |
| 2020–24 | 2.31 | 2.58 | 2.65 |
| Change | +0.17 | −0.11 | −0.03 |
Colchester is a place of small households, averaging 2.31 people against 2.65 for the U.S., which points to many singles, couples and roommates and relatively few children. Household size has climbed from 2.14 in 2006–10, but in a place this small, survey estimates can swing a lot from one release to the next.
Household size: the average number of people living in each occupied home. Source: BestNeighborhood calculations from U.S. Census Bureau ACS 5-year block-group estimates (table B25010).
Median age in Colchester
| Period | Colchester | Illinois | U.S. |
|---|---|---|---|
| 2006–10 | 46.8 | 37.6 | 37.7 |
| 2010–14 | 46.4 | 38.5 | 38.6 |
| 2015–19 | 46.9 | 39.6 | 39.6 |
| 2020–24 | 41.2 | 40.2 | 40.1 |
| Change | −5.5 | +2.6 | +2.3 |
At 41.2, the median age in Colchester is close to the national median of 40.1, so its age mix looks much like the country's.
Median age: the age that splits residents into two equal halves. Source: BestNeighborhood calculations from U.S. Census Bureau ACS 5-year block-group estimates (table B01002).
Single-parent households in Colchester
| Period | Colchester | Illinois | U.S. |
|---|---|---|---|
| 2006–10 | 7.2% | 11.7% | 12.3% |
| 2010–14 | 12.9% | 11.7% | 12.3% |
| 2015–19 | 7.4% | 11.1% | 11.6% |
| 2020–24 | 9.6% | 11.3% | 11.6% |
| Change | +2.4 pts | −0.4 pts | −0.6 pts |
Single parents head about one in ten households in Colchester (9.6%), below the national share of 11.6%.
Single-parent households: households where one adult with no spouse present lives with children under 18. Source: BestNeighborhood calculations from U.S. Census Bureau ACS 5-year block-group estimates (table B11003).
Housing in Colchester
Renters in Colchester
| Period | Colchester | Illinois | U.S. |
|---|---|---|---|
| 2006–10 | 14.5% | 30.8% | 33.3% |
| 2010–14 | 19.0% | 33.1% | 35.6% |
| 2015–19 | 17.0% | 33.9% | 36.0% |
| 2020–24 | 17.9% | 32.9% | 34.8% |
| Change | +3.4 pts | +2.1 pts | +1.5 pts |
Only 17.9% of households in Colchester rent their homes, far below the national share of 34.8%, so most residents are owners who tend to stay put. More than four in ten owners (45.8%) have paid off their mortgages, above the national share of 39.8%.
Renters: occupied homes that are rented rather than owned. Source: BestNeighborhood calculations from U.S. Census Bureau ACS 5-year block-group estimates (table B25003).
Vacant homes in Colchester
| Period | Colchester | Illinois | U.S. |
|---|---|---|---|
| 2006–10 | 8.6% | 10.0% | 11.4% |
| 2010–14 | 15.2% | 10.1% | 11.4% |
| 2015–19 | 10.7% | 9.8% | 11.1% |
| 2020–24 | 11.1% | 8.1% | 9.6% |
| Change | +2.5 pts | −1.9 pts | −1.8 pts |
Vacancy runs a little high in Colchester: 11.1% of homes are empty, against 9.6% nationally. The count includes vacation homes and homes between owners or tenants, not just abandoned ones.
Vacant homes: homes with no one living in them, including vacation homes and homes for sale or rent. Source: BestNeighborhood calculations from U.S. Census Bureau ACS 5-year block-group estimates (table B25002).
Age of homes in Colchester
| Period | Colchester | Illinois | U.S. |
|---|---|---|---|
| 2006–10 | 1963 | 1966 | 1974 |
| 2010–14 | 1961 | 1967 | 1975 |
| 2015–19 | 1963 | 1968 | 1977 |
| 2020–24 | 1972 | 1970 | 1980 |
| Change | +9 | +4 | +6 |
Homes in Colchester run older than the national norm, with a median build year of 1972 against 1980. That is in line with the rest of Illinois.
Age of homes: the year that splits the housing stock into older and newer halves. Source: BestNeighborhood calculations from U.S. Census Bureau ACS 5-year block-group estimates (table B25035).
Rent in Colchester
| Period | Colchester | Illinois | U.S. |
|---|---|---|---|
| 2006–10 | $540 | $953 | $965 |
| 2010–14 | $599 | $1,028 | $1,040 |
| 2015–19 | $613 | $1,165 | $1,213 |
| 2020–24 | $677 | $1,428 | $1,571 |
| Change | +$138 | +$475 | +$606 |
The median renter in Colchester pays $677 a month for rent and utilities, well below the national median of $1,571. Rent takes 27.9% of the typical renter's income, just under the 30% mark often used to define affordable rent.
Rent: monthly rent plus the utilities renters pay themselves. Source: BestNeighborhood calculations from U.S. Census Bureau ACS 5-year block-group estimates (table B25064).
Education in Colchester
Bachelor's degrees in Colchester
| Period | Colchester | Illinois | U.S. |
|---|---|---|---|
| 2006–10 | 22.0% | 31.2% | 28.4% |
| 2010–14 | 21.2% | 32.4% | 29.6% |
| 2015–19 | 24.9% | 34.7% | 32.1% |
| 2020–24 | 28.9% | 37.7% | 35.6% |
| Change | +6.9 pts | +6.5 pts | +7.2 pts |
Nearly three in ten adults 25 and older in Colchester (28.9%) have a bachelor's degree or higher, below the national share of 35.6%.
Bachelor's degrees: adults 25 and older with a bachelor's degree or higher. Source: BestNeighborhood calculations from U.S. Census Bureau ACS 5-year block-group estimates (table B15003).
High school graduates in Colchester
| Period | Colchester | Illinois | U.S. |
|---|---|---|---|
| 2006–10 | 88.9% | 86.3% | 84.9% |
| 2010–14 | 91.7% | 87.5% | 86.1% |
| 2015–19 | 92.8% | 89.1% | 87.7% |
| 2020–24 | 93.7% | 90.3% | 89.3% |
| Change | +4.8 pts | +4.0 pts | +4.3 pts |
High school completion in Colchester is above the national rate: 93.7% of adults have a diploma or equivalent, against 89.3%.
High school graduates: adults 25 and older with a high school diploma, GED or more. Source: BestNeighborhood calculations from U.S. Census Bureau ACS 5-year block-group estimates (table B15003).
Jobs in Colchester
| Period | Colchester | Illinois | U.S. |
|---|---|---|---|
| 2006–10 | 6.5% | 8.7% | 8.1% |
| 2010–14 | 8.4% | 10.2% | 9.4% |
| 2015–19 | 7.8% | 6.1% | 5.6% |
| 2020–24 | 4.1% | 6.0% | 5.4% |
| Change | −2.4 pts | −2.7 pts | −2.7 pts |
Jobs have been a little easier to find in Colchester than nationally: unemployment was 4.1%, against 5.4%. Because the Census pools five years of responses (2020–24), these rates smooth over short swings and lag the current job market.
Unemployment: people looking for work as a share of everyone working or looking. Source: BestNeighborhood calculations from U.S. Census Bureau ACS 5-year block-group estimates (table B23025).
Colchester compared with nearby cities
| City | Household size | Median age | Single parents | Renters | Vacant homes | Median year built | Median rent | Bachelor's degree | High school diploma | Unemployment |
|---|---|---|---|---|---|---|---|---|---|---|
| Colchester | 2.31 | 41.2 | 9.6% | 17.9% | 11.1% | 1972 | $677 | 28.9% | 93.7% | 4.1% |
| Tennessee | 2.58 | 40.9 | 6.8% | 21.8% | 12.4% | 1984 | $769 | 24.2% | 92.7% | 6.2% |
| Fandon | 2.17 | 27.0 | 6.1% | 23.3% | 5.3% | 1988 | $117 | 31.8% | 90.5% | 0.2% |
| Macomb | 1.99 | 35.4 | 7.6% | 46.8% | 17.7% | 1966 | $749 | 36.1% | 95.4% | 9.3% |
| Colmar | 2.59 | 34.5 | 6.8% | 19.3% | 11.5% | 1990 | $540 | 26.8% | 92.8% | 5.3% |
| Sciota | 2.63 | 36.1 | 4.6% | 14.2% | 8.3% | 1969 | $810 | 42.9% | 94.8% | 0.3% |
| Fountain Green | 2.65 | 50.4 | 12.0% | 9.9% | 12.8% | 1956 | $656 | 19.7% | 88.5% | 3.0% |
| Blandinsville | 2.36 | 39.5 | 5.2% | 15.1% | 13.2% | 1949 | $977 | 24.1% | 95.5% | 2.4% |
| Plymouth | 2.38 | 42.8 | 6.9% | 14.1% | 8.1% | 1970 | $619 | 21.0% | 87.8% | 6.1% |
| Industry | 2.26 | 41.6 | 12.9% | 9.8% | 12.9% | 1964 | $797 | 29.9% | 95.5% | 1.7% |
| Good Hope | 2.19 | 46.1 | 7.2% | 15.6% | 4.2% | 1967 | $764 | 21.4% | 96.3% | 4.2% |
All figures 2020–24.
Cities with similar populations: Worton, MD · Rock Port, MO · Pennsboro, WV · Romance, AR · Rosenhayn, NJ · Gibraltar, MI · Evadale, TX · Dolan Springs, AZ · Delbarton, WV · Delaware City, DE
About these numbers
Every figure on this page is a BestNeighborhood calculation from the Census Bureau's American Community Survey (ACS), built up from the Census block groups that make up Colchester. Each ACS 5-year release pools five years of responses; this page shows the last 15 releases, 2006–10 through 2020–24. Neighboring releases share four of their five years, so they move gradually and small changes between them are within the survey's margin of error; in small places the lines can jump from one release to the next for the same reason. The maps show the same measures for each neighborhood, ranked against the whole country.
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