| ZIP Codes: | 6 ZIP Codes (6 Standard, 0 PO Box, 0 Unique) [See All] |
| Area Code: | 318 |
| Timezone: | Central (GMT -06:00) |
| Local Time: | 2:12:26 PM |
| Population: | 21,844 [See All] |
| FIPS: | 22111 |
| CBSA: | Monroe, LA |
| Land Area: | 955 sq mi |
| Water Area: | 29 sq mi |
| Coordinates: | 32.8333, -92.4809 |
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21,844 residents live across 6 ZIPs covering 955 sq mi, served by 6 distinct USPS-recognized cities.
Population moved from 23,214 to 21,844 from 2014 to 2024 — a -5.9% change. 1 ZIPs gained residents, 5 lost.
The parish's wealthiest ZIP 71234 (Downsville, $84,740 median) and poorest ZIP 71277 (Spearsville, $26,686) are 22.5 miles apart — a 3.2× income gap across local geography.
Median home values vary 2.9× across this parish — from $54,400 in 71256 (Lillie) to $155,500 in 71234 (Downsville).
Density varies 4× across the parish — from 10 people/sq mi in 71260 (Marion) to 44 in 71234 (Downsville).
Educational attainment ranges from 3.6% bachelor's+ in 71277 (Spearsville) to 18.0% in 71241 (Farmerville) — the breadth of educational profiles across the area.
Within Louisiana, this is the #40 most populous of 64 parishes and ranks #56 for median household income .
Weighted by population, the typical household earns about $50,823 across the parish — reflecting what a typical resident sees, not a simple ZIP average.
14.9% of adults age 25+ hold a bachelor's degree or higher (2,211 of 14,864 reporting).
6 Standard delivery, 0 PO Box only, 0 single-entity Unique ZIPs serve this parish.
Median household income spans 3.2× between the wealthiest and poorest ZIPs — a sign of significant intra-county inequality.
A frontier parish — vast land area with only a few residents per square mile. Daily life looks very different here than in the country's denser counties.
Union Parish lost 5.9% of residents between 2014 and 2024. ZIPs that shed the largest share:
| ZIP | City | Type | Population | Median Income | Area (sq mi) | 10-yr Growth |
|---|---|---|---|---|---|---|
| 71241 | Farmerville | Standard | 8,485 | $44,128 | 209.3 | -13.6% |
| 71234 | Downsville | Standard | 5,396 | $84,740 | 121.3 | 39.2% |
| 71260 | Marion | Standard | 3,151 | $36,366 | 312.0 | -7.3% |
| 71222 | Bernice | Standard | 2,871 | $35,051 | 146.3 | -18.3% |
| 71277 | Spearsville | Standard | 1,263 | $26,686 | 112.0 | -27.5% |
| 71256 | Lillie | Standard | 678 | $43,611 | 54.2 | -20.9% |