City · Illinois
Anna, Illinois
Anna, city, in Union County, Illinois. Anna had 4,096 residents on July 1, 2025 by the Census Bureau's estimate, down 4.7% since 2020; the 2020 Census counted 4,303 and the ACS 2020-2024 5-year estimates put it at 4,196 (±14). GEOID 1701543.
Residents, July 2025 estimate
4,096
Census Bureau estimate (no margin published)
2020 Census count: 4,303 · ACS 2020-2024: 4,196 ±14
Median household income
$33,137
±$6,322 (90% margin)
Illinois: $83,390
Median home value
$134,300
±$35,938 (90% margin)
Illinois: $263,300
Median gross rent
$615
±$128 (90% margin)
Illinois: $1,274
Where is Anna and what county is it in?
Anna is a city in Union County, Illinois. It covers 3.7 square miles of land, 1,165 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 Anna, and is it growing?
The Census Bureau estimates that 4,096 people lived in Anna on July 1, 2025, down 4.7% since 2020, a steeper fall than Illinois's (−0.8%). The 2020 Census counted 4,303 residents. The 2020-2024 American Community Survey, a five-year sample, puts the population at 4,196 (±14).
| Measure | Anna | Union County | Change since 2015-2019 |
|---|---|---|---|
| Total population | 4,196 ±14 | 16,997 | no clear change |
| Households | 1,916 ±188 | 6,868 | +300 |
| Average household size | 2.01 ±0.19 | 2.35 | −0.36 |
| Housing units | 2,211 ±245 | 7,851 | no clear change |
Anna's population since 2000
From 5,136 in 2000 to 4,096 in 2025: down 20.2%. The 2000, 2010 and 2020 figures are census counts, each for Anna 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 Anna?
The median resident of Anna is 39.8 years old; 20.5% are under 18 and 23.8% are 65 or older. The largest group is non-Hispanic white residents at 88.4%, then Hispanic or Latino residents (of any race) at 6.7%.
| Measure | Anna | Union County | Change since 2015-2019 |
|---|---|---|---|
| Median age | 39.8 ±8.1 | 44.3 | no clear change |
| Under 18 years | 20.5% ±4.9 pts | 21.3% | – |
| 65 years and over | 23.8% ±4.4 pts | 22.9% | – |
| Male | 49.9% ±3.7 pts | 50.9% | – |
| Hispanic or Latino (any race) | 6.7% ±5.5 pts | 5.5% | – |
| White alone, not Hispanic | 88.4% ±6.1 pts | 89.5% | no clear change |
| Black or African American alone, not Hispanic | 0.5% ±0.7 pts | 0.9% | – |
| Asian alone, not Hispanic | 1.9% ±1.1 pts | 0.6% | – |
| American Indian and Alaska Native alone, not Hispanic | 0.0% ±0.9 pts | 0.0% | – |
| Native Hawaiian and Other Pacific Islander alone, not Hispanic | 0.0% ±0.9 pts | 0.1% | – |
| Two or more races, not Hispanic | 2.5% ±2.1 pts | 3.4% | – |
| Some other race alone, not Hispanic | 0.0% ±0.1 pts | 0.0% | – |
| Born outside the United States | 2.5% ±2.5 pts | 3.0% | – |
| Speak a language other than English at home (age 5+) | 6.0% ±3.8 pts | 5.6% | – |
| Civilian veterans (age 18+) | 6.9% ±4.4 pts | 7.6% | – |
| With a disability | 19.4% ±5.7 pts | 21.1% | – |
| No health insurance coverage | 4.7% ±2.9 pts | 6.4% | no clear change |
| High school graduate or higher (age 25+) | 86.3% ±5.4 pts | 87.5% | – |
| Bachelor's degree or higher (age 25+) | 15.1% ±5.8 pts | 20.9% | no clear change |
| Graduate or professional degree (age 25+) | 4.3% ±2.9 pts | 6.9% | – |
| Lived in the same house a year earlier | 87.3% ±5.8 pts | 91.6% | – |
| Moved from another state in the past year | 0.8% ±1.3 pts | 0.9% | – |
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 Anna earn?
Half of Anna's 1,916 households earn less than $33,137 a year (±$6,322), against $55,728 in Union County and $83,390 in Illinois. In 2015-2019 it was $46,065 in 2024 dollars; the margins of error cannot tell the two periods apart. 34.3% of residents live below the poverty line.
| Measure | Anna | Union County | Change since 2015-2019 |
|---|---|---|---|
| Median household income | $33,137 ±$6,322 | $55,728 | no clear change |
| Mean household income | $53,529 ±$7,777 | $75,826 | – |
| Per capita income | $25,614 ±$3,892 | $31,657 | no clear change |
| People below the poverty line | 34.3% ±7.7 pts | 20.2% | no clear change |
| Children under 18 below the poverty line | 58.1% ±23.1 pts | 26.2% | no clear change |
| Households receiving SNAP | 30.0% ±8.3 pts | 17.3% | – |
| Households with a computer | 85.9% ±6.8 pts | 81.5% | – |
| Households with a broadband subscription | 78.4% ±7.0 pts | 72.6% | – |
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 Anna?
Owners occupy 58.8% of Anna's occupied homes and renters 41.2%. The median owner-occupied home is valued at $134,300 by its owner (±$35,938). The median renter pays $615 a month including utilities, and 45.3% of renters pay 35% or more of their income on rent.
| Measure | Anna | Union County | Change since 2015-2019 |
|---|---|---|---|
| Median home value (owner-occupied) | $134,300 ±$35,938 | $131,700 | no clear change |
| Median gross rent | $615 ±$128 | $648 | no clear change |
| Renters paying 35% or more of income on rent | 45.3% ±15.1 pts | 44.5% | +27.0 pts |
| Median monthly owner costs, with a mortgage | $961 ±$253 | $1,295 | – |
| Owner-occupied homes | 58.8% ±7.8 pts | 77.4% | no clear change |
| Renter-occupied homes | 41.2% ±7.8 pts | 22.6% | – |
| Housing units | 2,211 ±245 | 7,851 | no clear change |
| Homeowner vacancy rate | 0.0% ±3.3 pts | 0.4% | – |
| Rental vacancy rate | 0.0% ±4.1 pts | 2.0% | – |
| Single-family detached homes | 64.5% ±8.1 pts | 74.5% | – |
| Mobile homes | 9.3% ±5.7 pts | 13.7% | – |
| Built 2020 or later | 0.0% ±1.7 pts | 0.4% | – |
| Built 2010 to 2019 | 0.0% ±1.7 pts | 6.3% | – |
| Built 1939 or earlier | 25.9% ±8.4 pts | 18.6% | – |
| Households with no vehicle | 21.3% ±7.7 pts | 9.6% | – |
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 Anna building?
Builders took permits for 0 new housing units in Anna in 2025 (0 in single-family houses), 0.0 per 1,000 residents against 1.5 across Illinois.
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 Anna work and get to work?
75.4% of Anna's workers drive alone. The average trip to work takes 19.6 minutes.
| Measure | Anna | Union County | Change since 2015-2019 |
|---|---|---|---|
| In the labor force (age 16+) | 52.7% ±5.6 pts | 50.9% | – |
| Unemployment rate | 6.7% ±6.8 pts | 3.9% | – |
| Drove alone to work | 75.4% ±8.0 pts | 81.4% | – |
| Carpooled | 9.0% ±5.9 pts | 7.2% | – |
| Public transportation | 4.0% ±4.4 pts | 2.0% | – |
| Walked | 1.6% ±2.8 pts | 1.6% | – |
| Worked from home | 5.6% ±5.0 pts | 6.2% | – |
| Mean travel time to work | 19.6 min ±5.1 | 24.4 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 Anna?
1 census tract lies mostly in Anna, and 3 more reach into it (2020 census blocks).
| Tract | Residents, 2020-2024 | Median household income |
|---|---|---|
| Tract 9504Union County | 4,952 | $35,610 |
| Tract 9501Union County | 4,138 | $56,509 |
| Tract 9505Union County | 3,497 | $73,906 |
| Tract 9502Union County | 2,216 | $77,353 |
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 Anna) · Census block assignment files
How does Anna compare with other places in Illinois?
By the Census Bureau's July 2025 estimates, Anna is the 5,448th-most populous of the 19,476 U.S. incorporated places that have one and the 364th-most populous of 1,294 in Illinois.
Anna ranks 1,376th of 1,380 places in Illinois with 1,000 or more residents and a reliable estimate, by median household income.
| Measure | Rank | Of |
|---|---|---|
| Population, July 2025 estimate | 364th | 1,294 |
| Growth 2020-2025 (PEP) | 1,276th | 1,347 |
| Residents per square mile | 559th | 1,383 |
| Median household income | 1,376th | 1,380 |
| Per capita income | 1,321st | 1,383 |
| Median home value | 933rd | 1,379 |
| Median gross rent | 1,235th | 1,280 |
| Poverty rate | 6th | 1,119 |
| Bachelor's degree or higher | 1,158th | 1,369 |
| Median age | 837th | 1,383 |
| Owner-occupied share | 1,291st | 1,382 |
| Travel time to work | 1,165th | 1,382 |
Anna's figures with every place in Illinois (CSV)
Every place in Illinois, sortable · Compare Anna 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 Anna?
17 of the 57 figures for Anna 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 Anna 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 Anna.