Each edition grades its towns against each other only.
A town of 353, settled in 1888.
Tacna’s midsummer high is 108°F, above both Arizona’s towns (100°F) and U.S. towns (85°F). Only one of the 141 Arizona towns we compare has a lower typical household income than Tacna. 52% of the land in Tacna is conserved, against 14% in Arizona’s towns and 4.3% across U.S. towns. Tacna has fewer than 1,000 residents, too few for fair grades; the figures below are still real.
In a town this size, neighbors are the best guide. Ask them anything.
Census counts: 555 in 2000, 425 in 2020. The archive holds 4 old photos and papers going back to 2004 and 3 maps from 1926 on.
Tacna is unincorporated, so Yuma County and regional agencies provide most services.
EPA SDWIS (Oct 9, 2026) · HIFLD + EIA-861 2025 · Census 2020 ZCTAs · NCES 2024–25 · registration: vote.gov, updated Sep 12, 2025.
Ordered by what stands out in Tacna.
1.0 miles of trail wind through 1 park or preserve. Tacna’s concentration of trails stands at 0.5 miles per square mile. One park or preserve covers 9 acres in the town.
| Biggest places to walk | Trails | Acres |
|---|---|---|
| 1. Kiwanis Park | — | 9 |
Trails & parks © OpenStreetMap contributors · Conserved land: USGS PAD-US
Expected losses in Tacna break down as 72% from inland flooding and 14% from earthquakes. The town’s FEMA risk score is 88 of 100.
FEMA National Risk Index · OpenFEMA
In Tacna, 2.4% of working residents work locally. This Arizona town had 22 jobs in 2023, up 21 from 2013. Half commute less than 34 miles. The top destinations are Yuma (20%), Wellton (6%) and Phoenix (5%).
| Tacna | Arizona towns | U.S. towns | |
|---|---|---|---|
| Below the poverty line | 23% | 12% | 9.6% |
| Average trip to work | 21 minutes | 24 minutes | 25 minutes |
| Working residents who work in town | 2.4% | 10% | 8% |
Census LEHD 2023 · ACS
The January low for Tacna comes to 40°F.
NOAA U.S. Climate Normals, 1991–2020
20% of adults report frequent physical distress in Tacna. Among 141 Arizona towns, just 6 have a higher share of adults who have obesity than Tacna. The town does better than the Arizona average on 1 of 32 CDC measures and worse on 20.
| Tacna | Arizona towns | U.S. towns | |
|---|---|---|---|
| Fair or poor health (CDC PLACES) | 35% | 21% | 19% |
| Diabetes (CDC PLACES) | 19% | 13% | 12% |
| Frequent physical distress (CDC PLACES) | 20% | 15% | 14% |
| Food insecurity (CDC PLACES) | 33% | 15% | 14% |
| What stands out | Tacna | AZ |
|---|---|---|
| More adults treating high blood pressure | 78.3% | 73.9% |
| More adults facing food insecurity | 32.6% | 15.8% |
CDC PLACES 2025 · modeled estimates for adults · CMS · HRSA
None within 15 miles of Tacna; the nearest are
About 2 of every 100 Tacna residents are enrolled in college, against 6 across Arizona.
Where Tacna’s working residents go each day. Line width shows the share.
Census LEHD 2023
CDP in Yuma County, Arizona
Tacna is a census-designated place (CDP) and colonia in Yuma County, Arizona, United States. The population was 555 at the 2000 census, and 457 as of 2020. It is part of the Yuma Metropolitan Statistical Area.
From Wikipedia, licensed CC BY-SA 4.0 · facts via Wikidata (CC0)
Short answers, built from the data on this page.
Tacna has fewer than 1,000 residents, too few for fair grades; the figures below are still real.