Census tract · Union County
Census Tract 903, Union County, Pennsylvania
Census Tract 903, GEOID 42119090300, in Union County, Pennsylvania, mostly within Mifflinburg (98% of its census blocks). 3,569 residents in the ACS 2020-2024 5-year estimates (±64); the 2020 Census counted 3,583.
Residents, 2020-2024
3,569
±64 (90% margin)
2020 Census count: 3,583
Median household income
$68,068
±$6,902 (90% margin)
Union County: $76,404
Median home value
$214,500
±$28,435 (90% margin)
Union County: $240,100
Median gross rent
$924
±$45 (90% margin)
Union County: $974
Where is Census Tract 903?
Census Tract 903 is one of 11 census tracts in Union County, Pennsylvania. It covers 1.91 square miles of land, 1,879 residents per square mile in 2020. Its GEOID, 42119090300, names it uniquely (how tract numbers and GEOIDs work).
| Place | Share of the tract |
|---|---|
| Mifflinburg | 98% |
| West Buffalo Township | 2% |
3 census tracts border Census Tract 903: Tract 902.02 ($73,052), Tract 904 ($88,950) and Tract 905.02 ($62,500). The figure in brackets is each tract's median household income.
Whether a tract counts as low- or moderate-income for bank lending (the Community Reinvestment Act) is set by the FFIEC against its metro area's family income: look it up in the FFIEC census geocoder.
Source: 2024 Gazetteer and 2020 block assignment files, U.S. Census Bureau · Census reference files
How many people live in Census Tract 903?
The 2020-2024 American Community Survey puts Census Tract 903's population at 3,569 (±64) in 1,586 households; the 2020 Census counted 3,583 residents and 1,682 housing units.
| Measure | Tract 903 | Mifflinburg |
|---|---|---|
| Total population | 3,569 ±64 | 3,473 |
| Households | 1,586 ±131 | 1,532 |
| Average household size | 2.25 ±0.17 | 2.27 |
| Housing units | 1,805 ±137 | 1,751 |
Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026); 2020 Census P.L. 94-171 · Check it at data.census.gov
Who lives in Census Tract 903?
The median resident of Census Tract 903 is 37.6 years old; 21.8% are under 18 and 19.8% are 65 or older. The largest group is non-Hispanic white residents at 91.8%, then Hispanic or Latino residents (of any race) at 4.3%.
| Measure | Tract 903 | Mifflinburg |
|---|---|---|
| Median age | 37.6 ±5.4 | 36.8 |
| Under 18 years | 21.8% ±4.0 pts | 22.4% |
| 65 years and over | 19.8% ±3.2 pts | 19.4% |
| Hispanic or Latino (any race) | 4.3% ±3.5 pts | 4.4% |
| White alone, not Hispanic | 91.8% ±4.4 pts | 91.6% |
| Black or African American alone, not Hispanic | 0.1% ±0.3 pts | 0.1% |
| Asian alone, not Hispanic | 1.7% ±2.4 pts | 1.7% |
| 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 | 0.0% |
| Two or more races, not Hispanic | 2.1% ±1.9 pts | 2.1% |
| Some other race alone, not Hispanic | 0.0% ±0.9 pts | 0.0% |
| Born outside the United States | 1.8% ±2.0 pts | 1.8% |
| Speak a language other than English at home (age 5+) | 2.3% ±2.2 pts | 2.3% |
| Civilian veterans (age 18+) | 6.2% ±2.9 pts | 5.9% |
| With a disability | 9.2% ±3.5 pts | 9.4% |
| No health insurance coverage | 8.9% ±4.3 pts | 9.0% |
| High school graduate or higher (age 25+) | 91.0% ±3.5 pts | 90.7% |
| Bachelor's degree or higher (age 25+) | 33.1% ±6.6 pts | 31.5% |
| Graduate or professional degree (age 25+) | 9.6% ±4.3 pts | 9.0% |
| Lived in the same house a year earlier | 88.3% ±5.7 pts | 88.0% |
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 Census Tract 903 earn?
Half of the 1,586 households in Census Tract 903 earn less than $68,068 a year (±$6,902), against $76,404 across Union County: 7th highest of the county's 9 tracts with a reliable estimate. 4.5% of residents live below the poverty line.
| Measure | Tract 903 | Mifflinburg |
|---|---|---|
| Median household income | $68,068 ±$6,902 | $67,391 |
| Mean household income | $76,030 ±$5,910 | $74,048 |
| Per capita income | $33,104 ±$3,083 | $31,857 |
| People below the poverty line | 4.5% ±2.5 pts | 4.6% |
| Children under 18 below the poverty line | 4.0% ±6.2 pts | 4.0% |
| Households receiving SNAP | 14.8% ±5.4 pts | 15.3% |
| Households with a computer | 96.2% ±2.4 pts | 96.0% |
| Households with a broadband subscription | 90.5% ±4.4 pts | 90.2% |
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 Census Tract 903?
Owners occupy 66.3% of Census Tract 903's occupied homes and renters 33.7%. The median owner-occupied home is valued at $214,500 by its owner (±$28,435). The median renter pays $924 a month including utilities, and 32.3% of renters pay 35% or more of their income on rent.
| Measure | Tract 903 | Mifflinburg |
|---|---|---|
| Median home value (owner-occupied) | $214,500 ±$28,435 | $209,500 |
| Median gross rent | $924 ±$45 | $922 |
| Renters paying 35% or more of income on rent | 32.3% ±13.0 pts | 31.2% |
| Median monthly owner costs, with a mortgage | $1,379 ±$141 | $1,386 |
| Owner-occupied homes | 66.3% ±8.6 pts | 65.7% |
| Renter-occupied homes | 33.7% ±8.6 pts | 34.3% |
| Housing units | 1,805 ±137 | 1,751 |
| Single-family detached homes | 60.8% ±8.2 pts | 59.6% |
| Mobile homes | 8.4% ±3.8 pts | 8.6% |
| Built 2020 or later | 4.3% ±3.9 pts | 4.4% |
| Built 2010 to 2019 | 0.7% ±1.1 pts | 0.7% |
| Built 1939 or earlier | 30.6% ±8.1 pts | 31.6% |
| Households with no vehicle | 6.2% ±3.2 pts | 6.4% |
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 Census Tract 903 get to work?
71.9% of Census Tract 903's workers drive alone and 6.2% work from home. The average trip to work takes 17.6 minutes. The unemployment rate in 2020-2024 averaged 6.2%.
| Measure | Tract 903 | Mifflinburg |
|---|---|---|
| In the labor force (age 16+) | 67.4% ±4.3 pts | 67.5% |
| Unemployment rate | 6.2% ±3.6 pts | 6.4% |
| Drove alone to work | 71.9% ±8.2 pts | 70.9% |
| Carpooled | 17.3% ±7.5 pts | 18.0% |
| Public transportation | 0.0% ±1.8 pts | 0.0% |
| Walked | 2.6% ±2.6 pts | 2.7% |
| Worked from home | 6.2% ±4.0 pts | 6.4% |
| Mean travel time to work | 17.6 min ±2.1 | 17.7 min |
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
How does Census Tract 903 compare with the other tracts in Union County?
Among Union County's tracts with a reliable estimate, Census Tract 903 ranks as shown below (1 = highest).
| Measure | In Union County |
|---|---|
| Population | 7th of 11 |
| Residents per square mile | 3rd of 11 |
| Median household income | 7th of 9 |
| Per capita income | 7th of 11 |
| Median home value | 7th of 9 |
| Median gross rent | 5th of 8 |
| Poverty rate | 7th of 7 |
| Bachelor's degree or higher | 3rd of 8 |
| Median age | 10th of 11 |
| Owner-occupied share | 6th of 8 |
The tracts next to it on Union County's income ladder
| Tract | Rank | Median household income |
|---|---|---|
| Tract 901.02 | 4th | $83,243±$10,401 |
| Tract 902.02 | 5th | $73,052±$12,553 · within the margin of this tract |
| Tract 902.01 | 6th | $68,611±$4,456 · within the margin of this tract |
| Tract 903 | 7th | $68,068±$6,902 |
| Tract 905.02 | 8th | $62,500±$13,576 · within the margin of this tract |
| Tract 907 | 9th | $54,513±$13,964 · within the margin of this tract |
"Within the margin": the two incomes differ by less than their combined 90% margins, so the survey cannot say which is higher and the ranks between them are not firm.
Source: PlainCities ranks computed from the American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) · How ranks are computed
How reliable are the figures for Census Tract 903?
3 of the 18 figures for Census Tract 903 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.
A census tract's figures rest on a few hundred sampled households over five years, so its margins are wider than a city's. Two tracts differ only when the gap between them is larger than their combined 90% margin (the square root of the sum of the two squared margins). 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 · Check it at data.census.gov
How these figures are made: methodology and release checks · reading a margin of error · every state · corrections