Theressa, FL Demographics

Population 459 · Census ACS 2020–24

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Theressa, FL map of median age by neighborhood
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Population and households in Theressa

Household size in Theressa

Household size, people per household
PeriodTheressaJacksonville areaFloridaU.S.
2006–102.992.632.632.68
2010–142.872.682.732.73
2015–192.812.662.752.71
2020–242.182.582.632.65
Change−0.82−0.05+0.00−0.03
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Theressa is a place of small households, averaging 2.18 people against 2.65 for the U.S., which points to many singles, couples and roommates and relatively few children. Since 2006–10, household size has dropped from 2.99, 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 Theressa

Median age, years
PeriodTheressaJacksonville areaFloridaU.S.
2006–1048.037.440.837.7
2010–1439.138.842.038.6
2015–1945.539.543.039.6
2020–2451.340.443.540.1
Change+3.3+3.1+2.7+2.3
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With a median age of 51.3, Theressa is noticeably older than the country as a whole (40.1), an age mix that tilts toward empty nesters and retirees.

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 Theressa

Single-parent households, % of households
PeriodTheressaJacksonville areaFloridaU.S.
2006–106.8%12.2%12.4%12.3%
2010–1413.7%12.2%12.2%12.3%
2015–196.0%12.0%11.5%11.6%
2020–246.3%11.7%11.4%11.6%
Change−0.5 pts−0.4 pts−1.0 pts−0.6 pts
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Single parents head only 6.3% of households in Theressa, well 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 Theressa

Renters in Theressa

Renters, % of occupied homes
PeriodTheressaJacksonville areaFloridaU.S.
2006–109.2%31.8%30.3%33.3%
2010–1419.2%34.2%33.9%35.6%
2015–1928.3%35.5%34.6%36.0%
2020–2418.7%33.5%32.4%34.8%
Change+9.5 pts+1.7 pts+2.1 pts+1.5 pts
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Only 18.7% of households in Theressa rent their homes, far below the national share of 34.8%, so most residents are owners who tend to stay put. Nearly half of owners (46.6%) 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 Theressa

Vacant homes, % of all homes
PeriodTheressaJacksonville areaFloridaU.S.
2006–1017.5%13.4%17.2%11.4%
2010–1421.4%13.8%17.6%11.4%
2015–1925.4%11.8%15.4%11.1%
2020–2416.7%9.4%12.5%9.6%
Change−0.8 pts−4.1 pts−4.8 pts−1.8 pts
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Vacant homes make up 16.7% of the housing in Theressa, far above the national rate of 9.6%. In resort and lake areas that usually means seasonal and vacation homes; elsewhere it can point to weak demand.

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 Theressa

Age of homes, median year built
PeriodTheressaJacksonville areaFloridaU.S.
2006–101979198519841974
2010–141980198619851975
2015–191984198719861977
2020–241987199219891980
Change+8+7+5+6
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The housing in Theressa is younger than the country's: half of it was built after 1987, against 1980 nationally. Locally, though, homes here are older than in the Jacksonville area as a whole, where the median home dates to 1992.

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 Theressa

Rent, per month
PeriodTheressaJacksonville areaFloridaU.S.
2006–10$727$1,041$1,092$965
2010–14$863$1,106$1,123$1,040
2015–19$1,045$1,251$1,323$1,213
2020–24$821$1,750$1,816$1,571
Change+$94+$709+$724+$606
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A typical rental in Theressa costs $821 a month with utilities, well below the national median of $1,571. Rent takes 50.4% of the typical renter's income, well over the 30% mark often used to define affordable rent, so many renters here are stretched.

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 Theressa

Bachelor's degrees in Theressa

Bachelor's degrees, % of adults 25+
PeriodTheressaJacksonville areaFloridaU.S.
2006–1011.4%26.9%26.4%28.4%
2010–1410.6%28.4%27.0%29.6%
2015–1917.4%31.4%30.0%32.1%
2020–2417.8%36.7%34.6%35.6%
Change+6.4 pts+9.8 pts+8.2 pts+7.2 pts
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College degrees are relatively uncommon in Theressa: 17.8% of adults 25 and older hold a bachelor's or higher, well 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 Theressa

High school graduates, % of adults 25+
PeriodTheressaJacksonville areaFloridaU.S.
2006–1087.4%88.5%85.5%84.9%
2010–1486.9%89.6%86.5%86.1%
2015–1987.3%90.9%88.2%87.7%
2020–2482.5%92.2%90.0%89.3%
Change−4.8 pts+3.7 pts+4.4 pts+4.3 pts
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Just over one in six adults in Theressa never finished high school, well above the national share: only 82.5% have a diploma or equivalent, against 89.3% nationally.

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 Theressa

Unemployment, % of the labor force
PeriodTheressaJacksonville areaFloridaU.S.
2006–1011.8%8.2%8.9%8.1%
2010–1415.0%10.7%11.0%9.4%
2015–195.8%5.7%5.7%5.6%
2020–244.8%4.2%4.8%5.4%
Change−7.0 pts−4.0 pts−4.1 pts−2.7 pts
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At 4.8%, unemployment in Theressa is close to the national rate of 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).

Theressa compared with nearby cities

CityHousehold sizeMedian ageSingle parentsRentersVacant homesMedian year builtMedian rentBachelor's degreeHigh school diplomaUnemployment
Theressa2.1851.36.3%18.7%16.7%1987$82117.8%82.5%4.8%
Hampton2.7737.412.7%31.3%15.4%1988$1,2059.8%76.8%10.1%
Keystone Heights2.6544.511.0%17.0%14.1%1984$1,05821.8%89.8%3.5%
Waldo2.0353.98.9%26.5%16.8%1970$71819.3%89.2%4.9%
Starke2.6240.918.7%35.2%14.5%1981$91017.8%89.8%4.3%
Orange Heights2.2356.310.3%23.6%21.4%1980$74934.7%89.6%6.7%
Melrose2.5650.59.6%10.0%18.5%1986$83827.4%90.4%6.4%
Earleton2.0954.612.1%17.4%12.8%1984$90928.3%90.1%16.8%
Graham2.7236.816.4%22.6%15.1%1983$83911.0%86.9%5.7%
Grandin2.3050.52.2%8.9%15.3%1991$99428.8%86.7%7.1%
Florahome2.5038.514.2%13.3%21.1%1990$1,20016.5%89.3%5.4%

All figures 2020–24.

Cities with similar populations: Upper Lisle, NY · Dexter, KS · Dixie, MS · Easton, IL · Suwannee Valley, FL · Tovey, IL · Trevilians, VA · Tuscarora, PA · Union, TX · Union, WI

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 Theressa. 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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