Explore Union, Iowa, with this interactive street and satellite map.
| City | Union |
| State | Iowa (IA) |
| County | Hardin County |
| Country | United States of America |
| Timezone | Central Time (America/Chicago) |
| Latitude | 42.24554 |
| Longitude | -93.064647 |
| Population | 399 |
| Density | 269.8 /km² |
| Incorporated | Yes |
| ZIP Code | 50258 |
| Area Code | 515 |
| County Seat | Eldora |
| School District | BCLUW Community School District |
Union emerges from the vast, undulating expanse of the Iowa prairie, where the horizon stretches wide and unencumbered by anything but the rhythmic geometry of corn and soybean fields. It lies 15.7 miles north-northwest of Marshalltown, IA (from Marshalltown, IA: bearing 329°T), and is situated 8.2 miles south-southeast of Eldora. The landscape here is defined by a deep, fertile soil that holds the light of the setting sun, turning the earth into a vast, gilded canvas as shadows lengthen across the flat plains. Only a mile away, the Iowa River carves a quiet, persistent path through the terrain, its waters reflecting the muted colors of the sky as it moves toward the distant Mississippi. Nearby, the greenery of Daisy Long Memorial Park provides a modest sanctuary of trees, offering a cool respite from the heat of the summer months when the air feels heavy with the scent of ripening grain.
Union retains the steady, industrious character of a settlement built on the strength of the land, where the local economy remains tethered to the seasonal cycles of harvest and growth. The legacy of those who first broke the prairie sod persists in the quiet, methodical pace of daily life, where the stillness of the afternoon is broken only by the hum of machinery or the distant whistle of a train. For those seeking the quietude of water, Upper Pine Lake sits nine miles away, a local destination that marks the transition from the manicured rows of agricultural plots to the more untamed pockets of the regional woodland. There is a particular, unshowy civility to the way the days pass in Union, a place that values the weight of a handshake and the patient labor required to sustain a life in the heart of the Midwest.
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This page provides an embedded street and satellite map of Union, Iowa. Coordinates: 42.24554, -93.064647. Live weather conditions are sourced directly from the National Weather Service. Real-time local and world news feeds keep the page current.
Detailed location data for Union includes the ZIP code (50258), telephone area code (515), county seat of Hardin County (Eldora), and school district assignment (BCLUW Community School District).
Location data is drawn from the USGS Geographic Names Information System (GNIS) and cross-verified against 2020 US Census records by coordinate proximity. Population figures are sourced from the 2020 US Census.
| Page generated | August 2026 |
| Location data | SimpleMaps US Cities Database; coordinates matched to USGS GNIS definitive data |
| Wikipedia validation | Article content matched to USGS GNIS coordinates via Wikipedia geosearch API. |